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| Pantoprazole sulphone sodium salt CAS No. 127780-16-9 C16H14F2N3O5S.Na M.W. 421.36 P-011
 | | | (S)-(-)-Pantoprazole Sodium Salt CAS No. 160488-53-9 C16H16F2N3O4S . Na M.W. 384.38 22.99 P-0110
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| Pantoprazole Sulfide (Pantoprazole Impurity B) CAS No. 102625-64-9 C16H15F2N3O3S M.W. 367.38 P-0111
 | | | Pantoprazole Impurity A CAS No. N/A C16H15F2N3O5S M.W. 399.38 P-0112
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| Pantoprazole Impurity C CAS No. N/A C8H6F2N2OS M.W. 216.21 P-0113
 | | | Pantoprazole N-Oxide sodium salt C16H14F2N3O5S.Na M.W. 421.36 P-012
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| Pantoprazole-d3 CAS No. 102625-70-7 C16H12F2N3O4SD3 M.W. 386.39 P-013
 | | | Pantoprazole Sodium Monohydrate CAS No. 8024-03-1 C16H14F2N3O4S.Na.H2O M.W. 382.37 22.99 18.02 P-014
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| Pantoprazole Impurity E CAS No. N/A C32H28F4N6O8S2 M.W. 764.74 P-015
 | | | Pantoprazole Magnesium C32H28F4N6O8S2. Mg M.W. 764.74 24.31 P-016
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| Pantoprazole Chloro-Impurity CAS No. N/A C8H10ClNO2 HCl M.W. 187.63 36.46 P-017
 | | | Pantoprazole Impurity D C17H17F2N3O4S M.W. 397.40 P-018
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| Pantoprazole Impurity F C17H17F2N3O4S M.W. 397.40 P-019
 | | | Paroxetine HCl CAS No. 110429-35-1 C19H20FNO3.HCl M.W. 365.83 P-021
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| Paroxetine Impurity F CAS No. NA C26H27NO3 M.W. 401.51 P-0210
 | | | Paroxetine Impurity G CAS No. NA C12H14FN M.W. 191.25 P-0211
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| Paroxetine Impurity H CAS No. NA C19H22FNO M.W. 299.39 P-0212
 | | | Paroxetine Impurity I CAS No. NA C12H16FNO M.W. 209.27 P-0213
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| Paroxetine-d6 HCl C19H14FNO3D6. HCl M.W. 335.41 36.46 P-0214
 | | | ent-Paroxol CAS No. 389573-45-9 C13H18FNO M.W. 223.29 P-0215
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| ent-Paroxetine Hydrochloride CAS No. 130855-30-0 C19H20FNO3 HCl M.W. 329.37 36.46 P-0216
 | | | Paroxetine-d4.HCl CAS No. 110429-35-1(non-d) C19H16D4FNO3.HCl M.W. 369.86 P-022
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| N-Methyl Paroxetine HCl C20H22FNO3.HCl M.W. 343.40 36.46 P-023
 | | | Paroxetine EP Impurity B CAS No. 127017-69-0 C20H23NO4 M.W. 341.41 P-024
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| Paroxetine EP Impurity C C21H25NO4 M.W. 355.44 P-025
 | | | Paroxetine Impurity A CAS No. NA C19H21NO3 M.W. 311.38 P-027
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| Paroxetine Impurity D CAS No. NA C19H20FNO3 M.W. 329.37 P-028
 | | | Paroxetine Impurity E CAS No. NA C19H20FNO3 M.W. 310.38 P-029
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| Penciclovir-d4 CAS No. 39809-25-1(non-d) C10H11D4N5O3 M.W. 257.28 P-031
 | | | Penciclovir C10H15N5O3 M.W. 253.26 P-033
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| Benzylpennicillin-d7 potassium salt C16H10N2O4SD7K M.W. 379.52 P-041
 | | | Penicillin V CAS No. 87-08-1 C16H18N2O5S M.W. 350.40 P-042
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| Penicillin V-d5 CAS No. 87-08-1(non-d) C16H13D5N2O5S M.W. 355.40 P-043
 | | | Benzathine Diacetate C16H20N2. 2 C2H4O2 M.W. 240.35 2 60.05 P-044
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| Hydroxy pentoxifylline CAS No. 6493-06-7 C13H20N4O3 M.W. 280.33 P-051
 | | | 1-(3-Carboxypropyl)-3,7-dimethylxanthine CAS No. 6493-07-8 C11H14N4O4 M.W. 266.26 P-052
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| Pentoxifylline-d6 C13H12N4O3D6 M.W. 284.35 P-053
 | | | Hydroxy Pentoxifylline-d6 C13H14N4O3D6 M.W. 286.37 P-054
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| Perindoprilat CAS No. 95153-31-4 C17H28N2O5 M.W. 340.42 P-061
 | | | Perindopril Impurity I C19H32N2O5 M.W. 368.48 P-0610
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| Perindopril Impurity C C17H26N2O4 M.W. 322.41 P-0611
 | | | Perindopril Impurity D C17H26N2O4 M.W. 322.41 P-0612
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| Perindopril Impurity E C20H34N2O5 M.W. 382.50 P-0613
 | | | Perindopril Impurity F C19H30N2O4 M.W. 350.46 P-0614
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| Perindopril Impurity G C24H37N3O5 M.W. 447.58 P-0615
 | | | Perindopril Impurity H C30H48N4O4 M.W. 528.74 P-0616
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| Perindopril CAS No. 82834-16-0 C19H32N2O5 M.W. 368.48 P-062
 | | | Perindopril-13C3 CAS No. 82834-16-0 (non-d) C19H32N2O5 M.W. 371.44 P-063
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| Perindoprilat-13C3 C17H28N2O5 M.W. 343.39 P-064
 | | | Perindopril-d4 CAS No. 82834-16-0 (non-d) C19H28N2O5D4 M.W. 372.50 P-065
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| Perindoprilat-d4 C17H24N2O5D4 M.W. 344.45 P-066
 | | | Perindopril acyl glucuronide C25H40N2O11 M.W. 544.60 P-067
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| Perindoprilat acyl glucuronide C23H36N2O11 M.W. 516.55 P-068
 | | | Perindopril Erbumine C19H32N2O5.C4H11N M.W. 368.48 73.14 P-069
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| Chloropheniramine-d4 CAS No. 132-22-9 (non-d) C16H15D4ClN2 M.W. 278.82 P-071
 | | | Pheniramine Maleate C16H20N2.C4H4O4 M.W. 240.35 116.07 P-072
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| Pheniramine Maleate Impurity A C12H11N M.W. 169.23 P-073
 | | | Phenoxybenzamine-d5 C18H17D5ClNO M.W. 308.87 P-081
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| PHIP-d3 (2-Amino-1-methyl-6-phenylimidazole) C13H9N4D3 M.W. 227.28 P-091
 | | | Paraquat-D8 CAS No. 347841-45-6 C12H6N2D8 . 2 Cl M.W. 194.31 2 35.45 P-10001
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| Hydroxy Pioglitazone M-IV CAS No. 146062-44-4 C19H20N2O4S M.W. 372.45 P-101
 | | | 5-Hydroxy Pioglitazone CAS No. 625853-74-9 C19H20N2O4S M.W. 372.45 P-1010
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| Propylthiouracil C7H10N2OS M.W. 170.23 P-10101
 | | | Propylthiouracil-d5 C7H5N2OSD5 M.W. 175.26 P-10102
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| Pioglitanzone Sulfonic Impurity CAS No. 625853-73-8 C18H22N2O5S M.W. 378.44 P-1011
 | | | Pioglitazone HCl C19H20N2O3S.HCl M.W. 356.45 36.46 P-1011
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| Pioglitazone Sulfonic Impurity CAS No. 625853-73-8 C18H22N2O5S M.W. 378.44 P-1012
 | | | Pioglitazone Bromo Impurity CAS No. N/A C15H16BrNO M.W. 306.20 P-1013
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| Pioglitazone Imino Impurity CAS No. N/A C19H21N3O2S M.W. 355.46 P-1014
 | | | Pioglitazone Fluoro Impurity CAS No. N/A C10H8FNO2S M.W. 225.24 P-1015
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| Pioglitazone Metabolite M1 CAS No. N/A C10H9NO3S M.W. 223.25 P-1016
 | | | Pioglitazone Impurity A C19H20N2O4S M.W. 372.45 P-1017
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| Pioglitazone Impurity A CAS No. N/A C19H20N2O4S M.W. 372.45 P-1017
 | | | Pioglitazone Impurity B CAS No. N/A C19H18N2O3S M.W. 354.43 P-1018
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| Pioglitazone Impurity C CAS No. N/A C28H31N3O3S M.W. 489.64 P-1019
 | | | Pioglitazone Ketone (M-III) CAS No. 146062-45-5 C19H19N2O4S M.W. 370.43 P-102
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| Pioglitazone Impurity D CAS No. 868754-41-0 C21H26N2O4S M.W. 402.52 P-1020
 | | | Pyruvic Acid-13CD3 C3NaO3D3 M.W. 114.05 P-10201
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| Paraxanthine CAS No. 611-59-6 C7H8N4O2 M.W. 180.17 P-1021
 | | | Paraxanthine-13C-d3 CAS No. NA C7H5N4O2D3 M.W. 184.17 P-1022
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| Hydroxy Pioglitazone (M-VII) CAS No. N/A : C19H20N2O4S M.W. 372.45 P-1023
 | | | Pioglitazone Aldehyde CAS No. 114393-97-4 C16H17NO2 M.W. 255.32 P-1024
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| Pioglitazone-d4 CAS No. 111025-46-8 (non-d) C19H16N2O4SD4 M.W. 360.47 P-103
 | | | Phenylhydrazine-d5 C6H3N2D5 M.W. 113.17 P-10301
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| Phloroglucinol C6H6O3 M.W. 126.11 P-1031
 | | | Hydroxy Pioglitazone-d4 (M-IV) CAS No. 146062-44-4(non-d) C19H16D4N2O4S M.W. 376.47 P-104
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| Piribedil C16H18N4O2 M.W. 298.35 P-10401
 | | | Piribedil-N-oxide C16H18N4O3 M.W. 314.35 P-10402
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| Piribedil-d8 C16H10N4O2D8 M.W. 306.40 P-10403
 | | | Pioglitazone-d4 Ketone (M-III) CAS No. 146062-45-5(non-d) C19H15D4N2O4S M.W. 374.45 P-105
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| Pioglitazone, hydroxyl M-II CAS No. 101931-00-4 C19H20N2O4S M.W. 372.45 P-106
 | | | Prazosin HCl (Furazosin HCl) CAS No. 19237-84-4 C19H21N5O4. HCl M.W. 383.41 36.46 P-10601
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| Pioglitazone N-oxide CAS No. 145350-09-0 C19H20N2O4S M.W. 372.45 P-107
 | | | Propanil-d5 C9H4Cl2NOD5 M.W. 223.11 P-10701
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| Hydroxy pioglitazone-d4, M-II C19H16N2O4SD4 M.W. 376.47 P-108
 | | | Deoxypyridinoline CAS No. 83462-55-9 C18H28N4O7 M.W. 412.45 P-10801
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| Pyridinoline CAS No. 77464-35-8 C18H28N4O8 M.W. 428.45 P-10802
 | | | Pioglitazone-d4 N-oxide C19H16N2O4SD4 M.W. 376.47 P-109
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| Procaine HCl C13H20N2O2. HCl M.W. 236.32 36.46 P-10901
 | | | Diethyl (2-Hydroxyethyl)-Amino-p-[o-(Octyloxy)benzamido]benzoate C28H40N2O4 M.W. 468.64 P-10902
![Diethyl (2-Hydroxyethyl)-Amino-p-[o-(Octyloxy)benzamido]benzoate](product_images/P-10902.jpg) |
| Diethyl (2-Hydroxyethyl)-amino-p-[o-(hydroxy)benzamido]benzoate C20H24N2O4 M.W. 356.43 P-10903
![Diethyl (2-Hydroxyethyl)-amino-p-[o-(hydroxy)benzamido]benzoate](product_images/P-10903.jpg) | | | Pioglitazone, ketone (from M-II) C19H18N2O4S M.W. 370.43 P-110
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| Pranoprofen CAS No. 52549-17-4 C15H13NO3 M.W. 255.28 P-11001
 | | | 5-Carboxy-N-phenyl-2-1H-Pyridone-d5 C12H4D5NO3 M.W. 220.24 P-111
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| Prednisolone CAS No. 50-24-8 C21H28O5 M.W. 360.45 P-11101
 | | | Prednisone CAS No. 53-03-2 C21H26O5 M.W. 358.44 P-11102
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| Prednisolone-21-Acetate CAS No. 52-21-2 C23H30O6 M.W. 402.49 P-11103
 | | | 6-alpha-Methyl Prednisolone Aceponate CAS No. 86401-95-8 C27H36O7 M.W. 472.58 P-11104
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| Methylprednisolone Aceponate CAS No. 86401-95-8 C27H36O7 M.W. 472.58 P-11105
 | | | 20(S)-Hydroxy Prednisolone CAS No. 2299-46-9 C21H30O5 M.W. 362.47 P-11106
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| 20(R)-Hydroxy Prednisolone CAS No. 15847-24-2 C21H30O5 M.W. 362.47 P-11107
 | | | 5-Hydroxymethyl-N-phenyl-2-1H-Pyridone-d5 C12H6D5NO2 M.W. 206.25 P-112
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| Pirlindole-d4 CAS No. 16154-78-2 (non-labelled) C15H14N2D4 M.W. 230.35 P-11201
 | | | Pirlindole CAS No. 60762-57-4 C15H18FN2 M.W. 226.32 P-11202
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| N-(4-Hydroxyphenyl)-5-methyl-2-1H-Pyridone-d5 C12H7D4NO2 M.W. 205.25 P-113
 | | | 4H-Cyclopenta[def]phenanthren-4-one CAS No. 5737-13-3 C15H8O M.W. 204.23 P-11301
![4H-Cyclopenta[def]phenanthren-4-one](product_images/P-11301.jpg) |
| 3-Hydroxy-5-methyl-N-phenyl-2-1H-Pyridone-d5 C12H6D5NO2 M.W. 206.25 P-114
 | | | Phenprocoumon CAS No. 435-97-2 C18H16O3 M.W. 280.33 P-114001
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| Phenprocoumon-d5 CAS No. N/A C18H11O3D5 M.W. 285.36 P-114002
 | | | (R)-Phenprocoumon CAS No. 5999-27-9 C18H16O3 M.W. 280.33 P-114003
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| (S)-Phenprocoumon CAS No. 3770-63-6 C18H16O3 M.W. 280.33 P-114004
 | | | Phenprocoumon D-Glucuronide CAS No. N/A C25H26O8 M.W. 454.48 P-114005
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| Phenprocoumon Sulfate CAS No. N/A C18H16O6S M.W. 360.39 P-114006
 | | | 4’-Hydroxy Phenprocoumon CAS No. N/A C18H16O4 M.W. 296.33 P-114007
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| Pipotiazine Palmitate CAS No. 37517-26-3 C40H63N3O4S2 M.W. 714.09 P-11401
 | | | 5-Methyl-N-phenyl-2-1H-Pyridone-d5 C12H6D5NO3 M.W. 190.25 P-115
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| Pidotimpod CAS No. 121808-62-6 C9H12N2O4S M.W. 244.27 P-115001
 | | | Pidotimpod Impurity X CAS No. 161771-75-1 C9H12N2O4S M.W. 244.27 P-115002
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| Pidotimpod Impurity Y CAS No. N/A C9H10N2O3S M.W. 226.26 P-115003
 | | | Penehyclidine HCl (Mixture of Isomers) CAS No. 151937-76-7 C20H29NO2. HCl M.W. 315.46 36.46 P-116001
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| Penehyclidine Impurity CAS No. N/A C33H45NO3 M.W. 503.73 P-116002
 | | | Promazine CAS No. 58-40-2 C17H20N2S M.W. 284.43 P-117001
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| 2-(1-Hydroxyethyl) promazine Sulfoxide (Mixture of Diastereomers) CAS No. N/A C19H24N2O2S M.W. 344.48 P-117002
 | | | 2-Methoxy Promazine CAS No. 61-01-8 C18H22N2OS M.W. 314.45 P-117003
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| Promazine-d6 HCl CAS No. 1246819-33-9 C17H14N2SD6 HCl M.W. 290.46 36.46 P-117004
 | | | Petunidin 3-D-Glucoside CAS No. 6988-81-4 C22H23O12 Cl M.W. 479.42 35.45 P-118001
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| Pamapimod CAS No. 449811-01-2 C19H20F2N4O4 M.W. 406.39 P-119001
 | | | Pamapimod-d4 CAS No. N/A C19H16F2N4O4D4 M.W. 410.42 P-119002
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| Propericiazine (Periciazine) CAS No. 2622-26-6 C21H23N3OS M.W. 365.50 P-120001
 | | | Pramipexole-d5.2HCl CAS No. 104632-26-0 (non-d) C10H12D5N3S.2HCl M.W. 289.28 P-121
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| Phenylacetylglutamine CAS No. 28047-15-6 C13H16N2O4 M.W. 264.28 P-121001
 | | | Phenylacetylglutamine-d5 C13H11N2O4D5 M.W. 269.31 P-121002
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| rac-cis-7-Hydroxy-Pramipexole CAS No. N/A C10H17N3OS M.W. 227.33 P-1211
 | | | rac-trans-7-Hydroxy-Pramipexole CAS No. N/A C10H17N3OS M.W. 227.33 P-1212
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| Pramipexole Impurity (2-Aminobenzoxazole) CAS No. 4570-41-6 C7H6N2O M.W. 134.14 P-1213
 | | | Benzo[d]thiazol-2-Amine CAS No. N/A C7H6N2S M.W. 150.20 P-1214
![Benzo[d]thiazol-2-Amine](product_images/P-1214.jpg) |
| Pramipexole Impurity V CAS No. N/A C10H19N3O2S M.W. 245.35 P-1215
 | | | (S)-N, N’-(4, 5 ,6, 7-Tetrahydrobenzo[d]thiazole-2, 6-diyl)dipropioamide CAS No. 1346617-47-7 C13H19N3O2S M.W. 281.38 P-1216
![(S)-N, N’-(4, 5 ,6, 7-Tetrahydrobenzo[d]thiazole-2, 6-diyl)dipropioamide](product_images/P-1216.jpg) |
| (R)-N, N’-(4, 5 ,6, 7-Tetrahydrobenzo[d]thiazole-2, 6-diyl)dipropioamide CAS No. N/A C13H19N3O2S M.W. 281.38 P-1217
![(R)-N, N’-(4, 5 ,6, 7-Tetrahydrobenzo[d]thiazole-2, 6-diyl)dipropioamide](product_images/P-1217.jpg) | | | 2, 6-Diamino-5 ,6-Dihydrobenzo[d]thiazol-7(4H)-One CAS No. N/A C7H9N3OS 2HCl M.W. 183.23 2 x36.46 P-1218
![2, 6-Diamino-5 ,6-Dihydrobenzo[d]thiazol-7(4H)-One](product_images/P-1218.jpg) |
| 2-Amino-6-Bromo-5 ,6-Dihydrobenzo[d]thiazol-7(4H)-One CAS No. 1001648-73-2 C7H7BrN2OS M.W. 247.11 P-1219
![2-Amino-6-Bromo-5 ,6-Dihydrobenzo[d]thiazol-7(4H)-One](product_images/P-1219.jpg) | | | Pramipexole Dihydrochloride Monohydrate CAS No. 191217-81-9 C10H17N3S.2 HCl.H2O M.W. 211.33 2 36.46 18.02 P-122
 |
| N-Carbobenyloxy Pramipexole CAS No. N/A C18H23N3O2S M.W. 345.47 P-1220
 | | | Podophyllotoxin Impurity 1 C21H20O8 M.W. 400.39 P-122001
 |
| Podophyllotoxin Impurity 2 C21H20O7 M.W. 384.39 P-122002
 | | | Podophyllotoxin Impurity 3 C22H18O8 M.W. 410.38 P-122003
 |
| Podophyllotoxin Impurity 4 C22H20O8 M.W. 412.40 P-122004
 | | | Podophyllotoxin Impurity 5 C22H22O7 M.W. 398.42 P-122005
 |
| Podophyllotoxin Impurity 6 C22H22O8 M.W. 414.42 P-122006
 | | | Podophyllotoxin Impurity 7 C28H34O13 M.W. 578.58 P-122007
 |
| Podophyllotoxin Impurity 8 C28H32O13 M.W. 576.56 P-122008
 | | | Pramipexole Dimer Impurity II C20H32N6S2 M.W. 420.65 P-1221
 |
| Pramipexole Impurity A CAS No. N/A C7H11N3S M.W. 169.25 P-123
 | | | Ponatinib CAS No. 943319-70-8 C29H27N6O M.W. 523.57 P-123001
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| Ponatinib-d8 CAS No. 943319-70-8(non-d) C29H22N6OD8 M.W. 486.65 P-123002
 | | | Pramipexole Impurity B CAS No. 1246815-83-7 C13H23N3S M.W. 253.41 P-124
 |
| Peramivir CAS No. 330600-85-6 C15H28N4O4 M.W. 328.41 P-124001
 | | | Peramivir Methyl Ester Impurity C7H11NO2 M.W. 141.17 P-124002
 |
| Peramivir Amino acid Impurity C6H9NO2 M.W. 127.14 P-124003
 | | | Pramipexole Impurity D CAS No. 104632-27-1 C10H17N3S M.W. 211.33 P-125
 |
| Penbutolol CAS No. 36507-48-9 C18H29NO2 M.W. 291.44 P-125001
 | | | Penbutolol-d9 CAS No. N/A C18H20NO2D9 M.W. 300.49 P-125002
 |
| 4-Hydroxy Penbutolol CAS No. N/A C18H29NO3 M.W. 307.44 P-125003
 | | | 4-Hydroxy Penbutolol-d9 CAS No. N/A C18H20NO3D9 M.W. 316.49 P-125004
 |
| Pramipexole Dimer Impurity (Mixture of Diastereomers) CAS No. N/A C20H32N6S2 M.W. 420.65 P-126
 | | | Pharacine CAS No. 63440-93-7 C24H24O8 M.W. 440.45 P-126001
 |
| Pramipexole Impurity C CAS No. 106092-09-5 C20H32N6S2 M.W. 420.65 P-127
 | | | Prucalopride Succinate CAS No. 179474-85-2 C18H26ClN3O3 C4H6O4 M.W. 367.88 118.09 P-127001
 |
| Rac-7-Oxo-Pramipexole DiHCl CAS No. 1286047-33-3 (free base) C10H15N3OS. 2 HCl M.W. 225.31 2 36.46 P-128
 | | | 5-Methyl-Tetrahydropteroic Acid (Me THPA) CAS No. N/A C15H20N6O3 M.W. 332.37 P-128001
 |
| Pramipexole Impurity E CAS No. 106006-84-2 C10H15N3OS M.W. 225.31 P-129
 | | | Pazopanib CAS No. 444731-52-6 C21H23N7O2S M.W. 437.53 P-129001
 |
| Pazopanib-d3 CAS No. N/A C21H20N7O2SD3 M.W. 440.53 P-129002
 | | | Pericyazine CAS No. 2622-26-6 C21H23N3OS M.W. 365.50 P-130001
 |
| 3-Alpha Hydroxy Pravastatin Sodium Salt CAS No. 81131-70-6 C23H35O7.Na M.W. 423.53 22.99 P-131
 | | | Phenylacetic Acid CAS No. 103-82-2 C8H8O2 M.W. 136.15 P-131001
 |
| Phenylacetic Acid-d7 CAS No. 65538-27-4 C8HO2D7 M.W. 143.19 P-131002
 | | | Pravastatin Sodium Salt C23H35O7.Na M.W. 423.53 22.99 P-132
 |
| Perhexiline CAS No. 6621-47-2 C19H35N M.W. 277.50 P-132001
 | | | Pravastatin-d3 Sodium C23H32NaO7D3 M.W. 449.54 P-133
 |
| Pravastatin Lactone-d3 Pravastatin Lactone-d3 M.W. 409.54 P-134
 | | | 6-Epi Pravastatin Sodium CAS No. 81176-41-2 C23H35NaO7 M.W. 446.52 P-135
 |
| Pravastatin Impurity G CAS No. N/A C18H24O5 M.W. 320.39 P-136
 | | | Prochlorperazine-d3 CAS No. 58-38-8(non-d) C20H21D3ClN3S M.W. 376.97 P-141
 |
| Prochlorperazine-d8 CAS No. 58-38-8(non-d) C20H16D8ClN3S M.W. 382.00 P-142
 | | | Prochlorperazine-d8 sulfoxide CAS No. 10078-27-0(non-d) C20H16D8ClN3OS M.W. 398.00 P-143
 |
| Prochlorperazine Dimaleate C20H24ClN3S. 2 C4H4O4 M.W. 373.95 2 116.07 P-144
 | | | Prochlorperazine Sulfoxide CAS No. 10078-27-0 C20H24ClN3OS M.W. 389.95 P-145
 |
| N-Desmethyl Prochlorperazine Dimaleate Salt CAS No. 49780-18-9 C19H22ClN3S 2 C4H4O4 M.W. 359.92 2x116.07 P-146
 | | | 7-Hydroxy Prochlorperazine CAS No. 52172-19-7 C20H24ClN3OS M.W. 389.95 P-147
 |
| 5-Hydroxy propafenone HCl C21H27NO4.HCl M.W. 393.91 P-151
 | | | 5-Hydroxy propafenone glucuronide (mixture of diasteromers) C27H35NO10 M.W. 533.58 P-1510
 |
| 5-Hydroxy propafenone sulfate C21H27NO7S M.W. 437.52 P-1511
 | | | Propafenone HCl CAS No. 34183-22-7 C21H27NO3. HCl M.W. 377.91 P-1512
 |
| Propafenone Impurity A (EP/BP/USP) CAS No. 3516-95-8 C15H14O2 M.W. 226.28 P-1513
 | | | Propafenone Impurity B (EP/BP/USP) CAS No. 88308-22-9 C21H25NO3 M.W. 339.44 P-1514
 |
| Propafenone Impurity C (EP/BP/USP) CAS No. 22525-95-7 C18H18O3 M.W. 282.34 P-1515
 | | | PROPAFENONE CAS No. 91401-73-9 C18H20O4 M.W. 300.36 P-1516
 |
| Propafenone Impurity E (EP/BP/USP) CAS No. 165279-79-8 C18H19ClO3 M.W. 318.80 P-1517
 | | | Propafenone Impurity F (EP/BP/USP) C33H32O5 M.W. 508.62 P-1518
 |
| Propafenone Impurity G (EP/BP/USP) C39H45NO6 M.W. 623.80 P-1519
 | | | N-Despropyl propafenone HCl C18H21NO3.HCl M.W. 335.83 P-152
 |
| Propafenone Impurity H (EP/BP/USP) CAS No. 27439-12-9 C15H12O2 M.W. 224.26 P-1520
 | | | Propafenone Impurity D CAS No. N/A C18H20O4 M.W. 300.36 P-1521
 |
| 4,4'-Methylenebis(2,6-diisopropyl-N,N-dimethylaniline) C29H46N2 M.W. 422.70 P-1522
 | | | Propafenone-d5 HCl C21H22D5NO3.HCl M.W. 382.94 P-153
 |
| 5-Hydroxy propafenone-d5 HCl C21H22D5NO4.HCl M.W. 398.94 P-154
 | | | Despropyl propafenone-d5 HCl C18H16D5NO3.HCl M.W. 340.86 P-155
 |
| Propafenone-d5 HCl C21H22NO3D5.HCl M.W. 382.94 P-156
 | | | Despropyl propafenone-d5 HCl C18H16NO3D5.HCl M.W. 340.86 P-157
 |
| 4'-Hydroxy propafenone HCl C21H27NO4.HCl M.W. 393.91 P-158
 | | | Propafenone glucuronide (mixture of diasteromers) C27H35NO9 M.W. 517.58 P-159
 |
| Propranolol glucuronide CAS No. 66322-66-5 C22H29NO8 M.W. 435.48 P-161
 | | | Propranolol HCl CAS No. 318-98-9 C16H21NO2. HCl M.W. 259.35 36.46 P-1610
 |
| Propranolol-d5 glucuronide CAS No. 66322-66-5(non-d) C22H24NO8D5 M.W. 440.51 P-162
 | | | 4-Hydroxy propranolol CAS No. 111691-89-5 C16H21NO3 M.W. 275.35 P-163
 |
| 4-Hydroxy propranolol-d5 CAS No. 111691-89-5(non-d) C16H16NO3D5 M.W. 280.38 P-164
 | | | (+/-)-4-Hydroxy Propranolol Glucuronide CAS No. 94731-13-2 C22H29NO9 M.W. 451.48 P-165
 |
| 4-Hydroxy propranolol-d5 glucuronide CAS No. 94731-13-2 (non-d) C22H24D5NO9 M.W. 456.51 P-166
 | | | Propranolol-d7 CAS No. 344298-99-3 C16H7N2OD5 M.W. 266.39 P-167
 |
| 5-Hydroxy Propranolol C16H21NO3 M.W. 275.35 P-168
 | | | (+/-)-5-Hydroxy Propranolol Glucuronide C22H29NO9 M.W. 451.48 P-169
 |
| 7-Hydroxy Propranolol C16H21NO3 M.W. 275.35 P-170
 | | | (+/-)-7-Hydroxy Propranolol Glucuronide C22H29NO9 M.W. 451.48 P-171
 |
| rac-4-Hydroxy Propranolol-d7 sulfate CAS No. N/A C16H14NO6SD7 M.W. 362.46 P-1710
 | | | 4-Hydroxy Propranolol Sulfate Potassium Salt C16H22NO6S.K M.W. 356.42 39.10 P-172
 |
| 4-Hydroxy Propranolol-d7 HCl C16H14NO3D7.HCl M.W. 282.39 36.46 P-173
 | | | (S)-(-)-Propranolol C16H21NO2 M.W. 259.35 P-174
 |
| (R)-Propranolol Glucuronide C22H29NO8 M.W. 435.48 P-175
 | | | (S)-Propranolol HCl CAS No. 4199-10-4 C16H21NO2.HCl M.W. 259.35 36.46 P-176
 |
| (R)-Propranolol HCl CAS No. 13071-11-9 C16H21NO2.HCl M.W. 259.35 36.46 P-177
 | | | (S)-Propranolol Glucuronide C22H29NO8 M.W. 435.48 P-178
 |
| 4-Hydroxy Propranolol HCl C16H21NO3.HCl M.W. 275.35 36.46 P-179
 | | | Promethazine sulfoxide C17H20N2OS M.W. 300.43 P-181
 |
| Promethazine Sulfoxide N-Oxide C17H20N2O2S M.W. 316.43 P-1810
 | | | Promethazine CAS No. 60-87-7 C17H20N2S M.W. 284.43 P-182
 |
| Promethazine-d4 C17H16N2SD4 M.W. 288.45 P-183
 | | | Prometazine Sulfoxide N-Oxide CAS No. NA C17H20N2O2S M.W. 316.43 P-184
 |
| Promethazine Impurity A CAS No. 92-84-2 C12H9NS M.W. 199.28 P-185
 | | | Isopromethazine Hydrochloride CAS No. 5568-90-1 C17H21N2SCl M.W. 320.89 P-186
 |
| Promethazine-d6 CAS No. NA C17H15N2SD6Cl M.W. 326.92 P-187
 | | | Promethazine N-Oxide CAS No. NA C17H20N2OS M.W. 300.43 P-188
 |
| Promethazine-N-glucuronide CAS No. NA C23H29N2O6S M.W. 461.56 P-189
 | | | Pendimethalin-d5 C13H14N3O4D5 M.W. 286.34 P-191
 |
| Perphenazine-d4 C21H22ClN3OSD4 M.W. 286.37 P-201
 | | | Perphenazine CAS No. 58-39-9 C21H26ClN3OS M.W. 403.98 P-202
 |
| Perphenazine Related Compound B CAS No. 3533-97-9 C21H27N3OS M.W. 369.53 P-203
 | | | Physostigmine-d3 C15H18N3O2D M.W. 278.37 P-211
 |
| Piperaquine Phosphate C29H32Cl2N6.4 H3O4P M.W. 535.52 4 98.00 P-221
 | | | Piperaquine Impurity III CAS No. N/A C22H18Cl2N4 M.W. 409.32 P-2210
 |
| Piperaquine-d16 CAS No. N/A C29H16Cl2N6D16 M.W. 551.62 P-222
 | | | Hydroxypiperaquine-d5 CAS No. N/A C29H27Cl2N6OD5 M.W. 556.55 P-223
 |
| Piperaquine metabolite 1 CAS No. N/A C16H18ClN3O2 M.W. 319.79 P-224
 | | | Piperaquine metabolite 2 CAS No. N/A C29H32Cl2N6O M.W. 551.52 P-225
 |
| Piperaquine metabolite 3 & 4 CAS No. N/A C29H32Cl2N6O M.W. 551.52 P-226
 | | | Piperaquine metabolite 5 CAS No. N/A C29H32Cl2N6O2 M.W. 567.52 P-227
 |
| Piperaquine Impurity I [7-Chloro-4-(Piperazinyl)quinoline] CAS No. N/A C13H14ClN3 M.W. 247.73 P-228
![Piperaquine Impurity I [7-Chloro-4-(Piperazinyl)quinoline]](product_images/P-228.jpg) | | | Piperaquine Impurity II (7-Chloro-4-Hydroxy-Quinoline) CAS No. 86-99-7 C9H6ClNO M.W. 179.61 P-229
 |
| Propoxur-d3 C11H12NO3D3 M.W. 212.27 P-231
 | | | Piroxicam-d3 C15H10N3O4SD3 M.W. 334.37 P-251
 |
| Piroxicam Impurity C C10H10N2O4S M.W. 254.27 P-252
 | | | Piroxicam C15H13N3O4S M.W. 331.35 P-253
 |
| Piroxicam Impurity A CAS No. N/A C5H6N2 M.W. 94.12 P-254
 | | | Piroxicam Impurity I CAS No. N/A C12H13NO5S M.W. 283.31 P-255
 |
| Piroxicam Impurity J CAS No. N/A C11H11NO5S M.W. 269.28 P-256
 | | | Piroxicam Impurity ( N-(2-Pyridinyl)oxamic Acid ) CAS No. N/A C7H6N2O3 M.W. 166.14 P-257
 |
| (R)-(-)-Phenylephrine-d3 HCl C9H10NO2D3.HCl M.W. 70.23 36.46 P-261
 | | | Phenylephrine glucuronide C15H21NO8 M.W. 343.34 P-262
 |
| Phenylephrine-d3 glucuronide C15H18NO8D3 M.W. 346.35 P-263
 | | | Phenylephrine Impurity I: 2-[Benzyl(methyl)amino]-1-(3-Hydroxyphenyl)ethanone Hydrochloride C16H17NO2.HCl M.W. 255.32 36.46 P-264
![Phenylephrine Impurity I: 2-[Benzyl(methyl)amino]-1-(3-Hydroxyphenyl)ethanone Hydrochloride](product_images/P-264.jpg) |
| Phenylephrine Impurity II{1-(3-Hydroxyphenyl)-2-(methylamino) ethanone HCl} C9H11NO2.HCl M.W. 165.19 36.46 P-265
 | | | Phenylephrine HCl Impurity A C8H11NO2 . HCl M.W. 153.18 36.46 P-266
 |
| Phenylephrine HCl Impurity D C16H19NO2 . HCl M.W. 257.34 36.46 P-267
 | | | Pregabalin-d10 CAS No. 148553-50-8 (non-d) C8H7NO2D10 M.W. 169.29 P-271
 |
| Pregabalin Impurity III CAS No. N/A C9H17ClNO3 M.W. 187.24 P-2710
 | | | Pregabalin Impurity PD 0312236 CAS No. N/A C20H35NO11 M.W. 465.50 P-2711
 |
| Pregabalin Impurity PD 0312237 CAS No. N/A C20H35NO11 M.W. 465.50 P-2712
 | | | Pregabalin Impurity PD 0224378 CAS No. N/A C20H35NO11 M.W. 465.50 P-2713
 |
| Pregabalin-d4 CAS No. 148553-50-8 (non-d) C8H13NO2D4 M.W. 163.25 P-272
 | | | (S)-3-(Aminomethyl)-5-methylhexanoic acid (Pregabalin) CAS No. 148553-50-8 C8H17NO2 M.W. 159.23 P-273
 |
| Pregabalin Lactam Impurity CAS No. 61312-87-6 C8H15NO M.W. 141.21 P-274
 | | | 4,5-Dehydro Pregabalin C8H15NO2 M.W. 157.21 P-275
 |
| 5,6-Dehydro Pregabalin C8H15NO2 M.W. 157.21 P-276
 | | | R-Pregabalin C8H17NO2 M.W. 159.23 P-277
 |
| Pregabalin Impurity B C9H16O4 M.W. 188.23 P-278
 | | | Pregabalin Racemic C8H17NO2 M.W. 159.23 P-279
 |
| 6-alpha-Hydroxy Paclitaxel CAS No. 153212-75-0 C47H51NO15 M.W. 869.93 P-281
 | | | 3'-p-Hydroxy Paclitaxel CAS No. NA C47H51NO15 M.W. 869.93 P-2810
 |
| Paclitaxel Impurity F CAS No. 153083-53-5 C47H59NO14 M.W. 861.99 P-2811
 | | | Paclitaxel Impurity O CAS No. 219783-77-4 C49H53NO14 M.W. 879.97 P-2812
 |
| 7-epi-Cephalomanine CAS No. 150547-36-7 C45H53NO14 M.W. 831.92 P-2813
 | | | 7-Epi-10-Desacetyl-Paclitaxel CAS No. 78454-17-8 C49H53NO15 M.W. 895.97 P-2814
 |
| 7-epi Paclitaxel CAS No. 105454-04-4 C47H51NO14 M.W. 853.95 P-2815
 | | | 6-alpha-Hydroxy Paclitaxel-d5 CAS No. 153212-75-0 (non-d) C47H46NO15D5 M.W. 874.96 P-282
 |
| Paclitaxel CAS No. 33069-62-4 C47H51NO14 M.W. 853.93 P-283
 | | | Paclitaxel-d5 CAS No. 33069-62-4 (non-d) C47H46NO14D5 M.W. 858.96 P-284
 |
| 10-Acetoacetyl Paclitaxel CAS No. NA C49H53NO15 M.W. 895.97 P-285
 | | | 10-Desacetyl Paclitaxel CAS No. 78432-77-6 C45H49NO13 M.W. 811.89 P-286
 |
| 2-Debenzoyl Paclitaxel 2-Pentanoate CAS No. 213767-22-7 C45H55NO14 M.W. 833.94 P-287
 | | | 7-Acetyl Paclitaxel CAS No. 92950-39-5 C49H53NO15 M.W. 895.97 P-288
 |
| Paclitaxel Side Chain Impurity C18H19NO4 M.W. 313.36 P-289
 | | | Propofol-d17 CAS No. 2078-54-8(non-d) C12HOD17 M.W. 195.38 P-291
 |
| Propofol C12H18O M.W. 178.28 P-2910
 | | | Propofol Impurity A C12H18O M.W. 178.28 P-2911
 |
| Propofol Impurity C C9H12O M.W. 136.20 P-2912
 | | | Propofol Impurity F C9H12O M.W. 136.20 P-2913
 |
| Propofol Impurity H C9H12O M.W. 136.20 P-2914
 | | | 2,6-Diisopropylbenzoic Acid C13H18O2 M.W. 206.29 P-2915
 |
| 4-Hydroxy Propofol CAS No. 1988-10-9 C12H18O2 M.W. 194.28 P-2916
 | | | Propofol O-glucuronide C18H26O7 M.W. 354.40 P-292
 |
| Propofol-d17 O-glucuronide C18H9O7D17 M.W. 371.51 P-293
 | | | Propofol Impurity E C24H34O2 M.W. 354.54 P-294
 |
| Propofol Impurity G C15H24O M.W. 220.36 P-295
 | | | Propofol Impurity J C12H16O2 M.W. 192.26 P-296
 |
| Propofol Impurity K C12H18O M.W. 178.28 P-297
 | | | Propofol Impurity L CAS No. 201166-22-5 C12H16O2 M.W. 192.26 P-298
 |
| Propofol Impurity O CAS No. Propofol Impurity O C12H18O M.W. 178.28 P-299
 | | | Probenecid CAS No. 57-66-9 C13H19NO4S M.W. 285.36 P-301
 |
| Probenecid-d14 CAS No. 57-66-99 (non-d) C13H5NO4SD14 M.W. 299.54 P-302
 | | | Probenecid acyl glucuronide C19H27NO10S M.W. 461.49 P-303
 |
| Hydroxy Probenecid CAS No. 28242-02-6 C13H19NO5S M.W. 461.49 P-304
 | | | Progesterone-d9 CAS No. 15775-74-3 C21H21O2D9 M.W. 323.53 P-321
 |
| 17-Hydroxyprogesterone-d8 CAS No. NA C21H22O3D8 M.W. 338.52 P-322
 | | | Delta 6-Progesterone CAS No. 1162-56-7 C21H28O2 M.W. 312.46 P-323
 |
| Progesterone C21H30O2 M.W. 314.47 P-324
 | | | Allopregnanolone Allopregnanolone M.W. 318.50 P-325
 |
| 5-Alpha-Dihydro Progestrone CAS No. 566-650-4 C21H32O2 M.W. 316.49 P-326
 | | | 17-alpha-Hydroxy Progesterone C21H30O3 M.W. 330.47 P-327
 |
| Allopregnanolone-d4 C21H30O2D4 M.W. 322.53 P-328
 | | | Pentoxyverine citrate CAS No. 23142-01-0 C20H31NO3.C6H8O7 M.W. 333.47 192.13 P-331
 |
| Pentoxyverine-d5 citrate CAS No. 23142-01-0 (non-d) C20H26NO3D5.C6H8O7 M.W. 338.51 192.13 P-332
 | | | Phenylbutazone-d10 Phenylbutazone-d10 M.W. 318.44 P-341
 |
| Primidone C12H14N2O2 M.W. 218.29 P-351
 | | | Primidone-d5 C12H9N2O2D5 M.W. 223.29 P-352
 |
| Sodium Phenylbutyrate C10H11O2.Na M.W. 163.20 22.99 P-361
 | | | Sodium Phenylbutyrate-d11 C10O2D11.Na M.W. 174.26 22.99 P-362
 |
| Phenyl Acetate CAS No. 122-79-2 C8H8O2 M.W. 136.15 P-371
 | | | Phenyl Acetate-d5 CAS No. 122-79-2 (non-d) C8H3O2D5 M.W. 141.18 P-372
 |
| Methyl 2-Pyridyl Acetate (Pyridyl Acetate Methyl Ester) C8H9NO2 M.W. 151.17 P-373
 | | | Posaconazole CAS No. 171228-49-2 C37H42F2N8O4 M.W. 700.80 P-381
 |
| Posaconazole-d5 CAS No. 171228-49-2 (non-d) C37H37F2N8O4D5 M.W. 705.83 P-382
 | | | Posaconazole-D-Glucuronide CAS No. N/A C43H50F2N8O10 M.W. 876.92 P-383
 |
| Prasugrel C20H20FNO3S M.W. 373.45 P-391
 | | | Prasugrel Impurity I CAS No. 1391194-45-8 C20H21NO3S . HCl M.W. 355.46 36.46 P-3910
 |
| Prasugrel Impurity II CAS No. 1391194-39-0 C20H20FNO3S . HCl M.W. 373.45 36.46 P-3911
 | | | Prasugrel Impurity III CAS No. 1391194-50-5 C20H20FNO3S . HCl M.W. 373.45 36.46 P-3912
 |
| Prasugrel Impurity IV C18H18FNO2S . HCl M.W. 331.41 36.46 P-3913
 | | | Bromo Prasugrel Impurity CAS No. N/A C20H19BrFNO3S M.W. 452.35 P-3916
 |
| Prasugrel Impurity 1 CAS No. N/A C18H18FNO2S M.W. 331.41 P-3917
 | | | Prasugrel Impurity 2 C29H27F2NO3S M.W. 507.60 P-3918
 |
| Prasugrel Impurity 3 CAS No. 951380-42-0 C20H20FNO3S M.W. 373.45 P-3919
 | | | Prasugrel-d4 C20H16FNO3SD4 M.W. 377.48 P-392
 |
| Prasugrel Impurity 4 C20H21ClFNO3S M.W. 409.91 P-3920
 | | | Prasugrel Impurity 5 C20H20FNO3S M.W. 373.45 P-3921
 |
| Prasugrel Impurity 6 C18H19ClFNO2S M.W. 367.87 P-3922
 | | | Prasugrel Metabolite (R-106583) CAS No. 916599-27-4 C19H22FNO3S M.W. 363.45 P-3923
 |
| Prasugrel Acetyl Impurity CAS No. N/A C18H18FNO3S M.W. 347.41 P-3924
 | | | Prasugrel Metabolite [(S)-R-95913] CAS No. N/A C18H18FNO2S M.W. 331.41 P-3925
![Prasugrel Metabolite [(S)-R-95913]](product_images/P-3925.jpg) |
| Prasugrel Metabolite [(R)-R-95913] CAS No. N/A C18H18FNO2S M.W. 331.41 P-3926
![Prasugrel Metabolite [(R)-R-95913]](product_images/P-3926.jpg) | | | 1, 2-Dihydro-4, 6-Dimethyl-2-Thioxo-3-Pyridinecarboxamide CAS No. 79927-21-2 C8H10N2OS M.W. 182.25 P-3927
 |
| Prasugrel Impurity 7 (3-F-PM-A) CAS No. 1359829-72-3 C11H10BrFO M.W. 257.10 P-3928
 | | | Prasugrel Impurity 8 (4-F-PM-A) CAS No. 1359829-52-9 C11H10BrFO M.W. 257.10 P-3929
 |
| Prasugrel Metabolite Derivative (trans R-138727MP, Mixture of Diastereomers) CAS No. 929211-64-3 C27H27FNO5S M.W. 496.58 P-393
 | | | Prasugrel Impurity 9 C7H9NOS . HCl M.W. 155.22 36.46 P-3930
 |
| Prasugrel Impurity IV(HYTP) C18H18FNO3S M.W. 347.41 P-3931
 | | | Prasugrel Metabolite (R-104434) CAS No. N/A C18H20FNO3S M.W. 349.43 P-3932
 |
| Prasugrel Metabolite (R-100932) CAS No. N/A C19H22FNO3S M.W. 363.45 P-3933
 | | | Prasugrel Metabolite (R-118443) CAS No. N/A C21H25FN2O5S2 M.W. 468.57 P-3934
 |
| Prasugrel Diketone Impurity CAS No. N/A C11H9FO2 M.W. 192.19 P-3935
 | | | Prasugrel Metabolite Derivative-13C-d3 (trans R-138727MP, Mixture of Diastereomers) CAS No. 929211-64-3 (non-d) C2613CH24FNO5SD3 M.W. 500.59 P-394
 |
| Prasugrel-d4 metabolite R-138727 CAS No. 204204-73-9 (non-d) C18H16FNO3SD4 M.W. 353.45 P-395
 | | | Prasugrel metabolite R-138727 CAS No. 204204-73-9 C18H20FNO3S M.W. 349.43 P-396
 |
| Prasugrel Metabolite (R-95913, Mixture of Diastereomers) C18H18FNO2S M.W. 331.41 P-397
 | | | Prasugrel Cysteine Conjugate Metabolite (R-119251, Mixture of Diastereomers) C21H25FN2O5S2 M.W. 468.57 P-398
 |
| Prasugrel-d4 Metabolite (R-95913, Mixture of Diastereomers) C18H14FNO2SD4 M.W. 335.44 P-399
 | | | Pranlukast CAS No. 103177-37-3 C27H23N5O4 M.W. 481.52 P-401
 |
| Pranlukast-d4 CAS No. 103177-37-3 (non-d) C27H19N5O4D4 M.W. 485.54 P-402
 | | | 4-Oxo-8-[4-(4-phenylbutoxy)benzoylamino]-4H-1-benzopyran-2-carboxylic Acid CAS No. 211116-98-2 C27H23NO6 M.W. 457.49 P-403
![4-Oxo-8-[4-(4-phenylbutoxy)benzoylamino]-4H-1-benzopyran-2-carboxylic Acid](product_images/P-403.jpg) |
| 4-Oxo-8-[4-(4-phenylbutoxy)benzoylamino]-4H-1-benzopyran-2-carboxamide CAS No. 136450-10-7 C27H24N2O5 M.W. 456.50 P-404
![4-Oxo-8-[4-(4-phenylbutoxy)benzoylamino]-4H-1-benzopyran-2-carboxamide](product_images/P-404.jpg) | | | Phenytoin-d10 C15H2N2O2D10 M.W. 262.34 P-411
 |
| Phenytoin Impurity C CAS No. 3060-50-2 C14H13NO2 M.W. 227.27 P-412
 | | | Phenytoin Impurity E CAS No. 6802-95-5 C15H14N2O3 M.W. 270.29 P-413
 |
| Phenytoin Impurity A (Diphenylmethanone) CAS No. 119-61-9 C13H10O M.W. 182.22 P-414
 | | | Phenytoin Impurity B (Diphenylethanedione) CAS No. 134-81-6 C14H10O2 M.W. 210.23 P-415
 |
| Prulifloxacin CAS No. 123447-62-1 C21H20FN3O6S M.W. 461.46 P-421
 | | | Prulifloxacin-d8 CAS No. 123447-62-1 (non-d) C21H12FN3O6SD8 M.W. 469.52 P-422
 |
| Protriptyline CAS No. 438-60-8 C19H21N M.W. 263.39 P-431
 | | | Protriptyline-d6 CAS No. 438-60-8 (non-d) C19H15ND6 M.W. 269.45 P-432
 |
| Protriptyline-d3 CAS No. 438-60-8(non-d) C19H18ND3 M.W. 266.42 P-433
 | | | Protriptyline-N-Oxide C19H21NO M.W. 279.39 P-434
 |
| 10-Hydroxy Protriptyline C19H23NO M.W. 281.40 P-435
 | | | Protriptyline-10,11-Epoxide C19H21NO M.W. 279.39 P-436
 |
| 10,11-Dihydro-10,11-Dihydroxy Protriptyline C19H23NO2 M.W. 297.40 P-437
 | | | Paricalcitol CAS No. 131918-61-1 C27H44O3 M.W. 416.65 P-441
 |
| Paricalcitol-d6 CAS No. 131918-61-1(non-d) C27H38O3D6 M.W. 422.74 P-442
 | | | Paricalcitol Glucuronide C33H52O9 M.W. 592.78 P-443
 |
| Paricalcitol Sulfate C27H44O6S M.W. 496.71 P-444
 | | | Propoxyphene-d5 CAS No. 469-62-5 (non-d) C22H24NO2D5 M.W. 344.51 P-451
 |
| Norpropoxyphene-d5 CAS No. 3376-94-1 (non-d) C21H22NO2D5 M.W. 330.48 P-452
 | | | Permethrin (mixture of cis and trans isomer) C21H20Cl2O3 M.W. 391.30 P-461
 |
| 3-Phenoxy Benzylchloride CAS No. 53874-66-1 C13H11ClO M.W. 218.69 P-462
 | | | Permethrin Diester Impurity CAS No. N/A C23H24Cl4O4 M.W. 506.26 P-463
 |
| Papaverine-13C-d3 C20H18NO4D3 M.W. 343.40 P-481
 | | | Pyrazinamide CAS No. 98-96-4 C5H5N3O M.W. 123.12 P-491
 |
| Pyrazinamide-d3 CAS No. 98-96-4 (non-labelled) C5H2N3OD3 M.W. 127.13 P-492
 | | | Piperonyl Butoxide C19H30O5 M.W. 338.45 P-501
 |
| Phenazopyridine CAS No. 94-78-0 C11H11N5 M.W. 213.25 P-511
 | | | Phenazopyridine-d5 CAS No. 94-78-0 (non-d) C11H6N5D5 M.W. 218.27 P-512
 |
| 2-Pyridylacetic Acid HCl CAS No. 16179-97-8 C7H7NO2.HCl M.W. 137.14 36.46 P-521
 | | | 2-Pyridylacetic Acid-d4 HCl C7H3NO2D4.HCl M.W. 141.16 36.46 P-522
 |
| 3-Pyridylacetic Acid CAS No. 6419-36-9 C7H7NO2 M.W. 137.14 P-523
 | | | 3-Pyridylacetic Acid-d4 CAS No. 6419-36-9(non-d) C7H3NO2D4 M.W. 141.16 P-524
 |
| Palonosetron HCl C19H24N2O.HCl M.W. 296.42 36.46 P-531
 | | | Palonosetron-d3 C19H21N2OD3 M.W. 299.49 P-532
 |
| Palonosetron N-Oxide C19H24N2O2 M.W. 312.45 P-533
 | | | L-(-)-Phosphonic Acid Calcium C3H5O4P.Ca M.W. 136.04 40.08 P-541
 |
| Plerixafor CAS No. 110078-46-1 C28H54N8 M.W. 502.80 P-551
 | | | Plerixafor-d4 CAS No. 110078-46-1 (non-labelled) C28H50N8D4 M.W. 506.82 P-552
 |
| Policresulen [C15H16O8S2]n M.W. [388.42]n P-561
 | | | 3-Methyl Phenol C7H8O M.W. 108.14 P-571
 |
| Chlorocresol (4-Chloro-3-Methylphenol) C7H7ClO M.W. 142.59 P-572
 | | | Pyrogallol C6H6O3 M.W. 126.11 P-581
 |
| (R)-(-)-2-Phenylglycine Chloride HCl C8H8ClNO.HCl M.W. 169.61 36.46 P-591
 | | | Prilocaine HCl (Propitocaine HCl) C13H20N2O.HCl M.W. 220.32 36.46 P-601
 |
| Prilocaine-d7 C13H13N2OD7 M.W. 227.36 P-602
 | | | Prothionamide-d5 C9H7N2SD5 M.W. 185.30 P-611
 |
| Prothionamide Sulfoxide C9H12N2OS M.W. 196.27 P-612
 | | | Prothionamide-d5 Sulfoxide C9H7N2OSD5 M.W. 201.30 P-613
 |
| Pyridostigmine bromide CAS No. 101-26-8 C9H13N2O2. Br M.W. 261.12 P-621
 | | | Pyridostigmine bromide-d3 Pyridostigmine bromide-d3 M.W. 264.13 P-622
 |
| Pyridostigmine bromide-d6 CAS No. 101-26-8 (non-labelled) C9H7N2O2D6 M.W. 267.15 P-623
 | | | 3-Hydroxy-N-methylpyridinium Bromide CAS No. 31034-86-3 C6H8NO Br M.W. 110.14 79.90 P-624
 |
| Praziquantel CAS No. 55268-74-1 C19H24N2O2 M.W. 312.42 P-631
 | | | Praziquantel-d11 CAS No. 1246343-36-1 C19H13N2O2D11 M.W. 323.48 P-632
 |
| Praziquantel Related Compound A CAS No. 54761-87-4 C19H18N2O2 M.W. 306.37 P-633
 | | | Praziquantel Related Compound B CAS No. 125273-86-1 C19H22N2O2 M.W. 310.40 P-634
 |
| Praziquantel Related Compound C CAS No. 125273-88-3 C19H18N2O4 M.W. 342.40 P-635
 | | | Pitavastatin CAS No. 147511-69-1 C25H24FNO4 M.W. 421.47 P-641
 |
| Pitavastatin Lactone-d4 CAS No. N/A C25H18FNO3D4 M.W. 407.48 P-6410
 | | | Pitavastatin 3-Oxo Sodium CAS No. N/A C25H21FNO4 Na M.W. 418.45 22.99 P-6411
 |
| Pitavastatin 3R, 5R-Isomer Sodium CAS No. N/A C25H23FNO4 Na M.W. 420.46 22.99 P-6412
 | | | Pitavastatin 3S, 5R-Isomer Sodium CAS No. N/A C25H23FNO4 Na M.W. 420.46 22.99 P-6413
 |
| Pitavastatin 3S, 5S-Isomer Sodium CAS No. N/A C25H23FNO4 Na M.W. 420.46 22.99 P-6414
 | | | Pitavastatin Defuoro Impurity Sodium CAS No. N/A C25H24NO4 Na M.W. 402.47 22.99 P-6415
 |
| Pitavastatin 3-O-Glucuronide CAS No. N/A C31H31FNO10 M.W. 596.59 P-6416
 | | | Pitavastatin 8’-Hydroxy Impurity CAS No. N/A C25H23FNO5 M.W. 436.46 P-6417
 |
| Pitavastatin 5-Oxo Impurity CAS No. N/A C25H21FNO4 M.W. 418.45 P-6418
 | | | Pitavastatin 3-Oxo Ethyl Ester CAS No. 148901-69-3 C27H26FNO4 M.W. 447.51 P-6419
 |
| Pitavastatin-d5 C25H19FNO4D5 M.W. 426.50 P-642
 | | | Pitavastatin 3-Oxo Acid CAS No. N/A C25H22FNO4 M.W. 419.46 P-6420
 |
| Pitavastatin Lactone CAS No. 141750-63-2 C25H22FNO3 M.W. 403.46 P-643
 | | | Pitavastatin Acyl Glucuronide CAS No. 574752-66-2 C31H32FNO10 M.W. 597.60 P-644
 |
| Pitavastatin-d4 Calcium Salt C50H38F2N2O8D8.Ca M.W. 848.98 40.08 P-645
 | | | Pitavastatin Impurity 2 (PP-2) CAS No. N/A C25H22FNO4 M.W. 419.46 P-646
 |
| Pitavastatin Impurity 3 (PP-3) CAS No. N/A C20H16FN M.W. 289.36 P-647
 | | | Pitavastatin Impurity 4 (PP-4) CAS No. N/A C20H14FN M.W. 287.34 P-648
 |
| tert-Butyl Pitavastatin C29H32FNO4 M.W. 477.58 P-649
 | | | Pinacolone CAS No. 75-97-8 C6H12O M.W. 100.16 P-651
 |
| Pinacolone-d3 C6H9OD3 M.W. 103.18 P-652
 | | | Pinacolone Alcohol CAS No. 464-07-3 C6H14O M.W. 102.18 P-653
 |
| Pinacolone Alcohol-d4 C6H10OD4 M.W. 106.20 P-654
 | | | PMPA CAS No. 616-52-4 C7H17O3P M.W. 180.19 P-655
 |
| PMPA-d3 CAS No. 172023-63-1 C7H14O3PD3 M.W. 183.20 P-656
 | | | 6,7,8,9-Dehydro Paliperidone Hydrochloride CAS No. 170359-61-2 C23H23FN4O3 . 2 HCl M.W. 422.46 2 36.46 P-663
 |
| Paliperidone Palmitate CAS No. 199739-10-1 C39H57FN4O4 M.W. 664.91 P-664
 | | | 5-Fluoro Paliperidone CAS No. N/A C23H27FN4O3 M.W. 426.50 P-665
 |
| Primapterin CAS No. 2582-88-9 C9H11N5O3 M.W. 237.22 P-671
 | | | Pemetrexed C20H21N5O6 M.W. 427.42 P-681
 |
| Pemetrexed Impurity (4-[2’-(7’’Deazaguanine)ethyl]benzoic Acid N-Hydroxysuccinimide Ester) CAS No. 204257-65-8 C19H17N5O5 M.W. 395.38 P-6810
![Pemetrexed Impurity (4-[2’-(7’’Deazaguanine)ethyl]benzoic Acid N-Hydroxysuccinimide Ester)](product_images/P-6810.jpg) | | | Pemetrexed Impurity (N-[4-[2-(2-Amino-4,5,6,7-tetrahydro-4,6-dioxo-1H-pyrrolo[2.3-d]-pyrimidin-5-yl)ethyl]benzoyl]-L-glu CAS No. 193281-00-4 C20H21N5O7 M.W. 443.42 P-6811
![Pemetrexed Impurity (N-[4-[2-(2-Amino-4,5,6,7-tetrahydro-4,6-dioxo-1H-pyrrolo[2.3-d]-pyrimidin-5-yl)ethyl]benzoyl]-L-glu](product_images/P-6811.jpg) |
| Pemetrexed L-Glutamic Acid Trisodium CAS No. 1265908-59-5 C25H25N6O9 3Na M.W. 553.51 3x22.99 P-6812
 | | | Pemetrexed Methyl Ester CAS No. 155405-81-5 C22H25N5O6 M.W. 455.47 P-6813
 |
| N-[4-[3-(2,6-Diamino-1,4-Dihydro-4-Oxo-5-Pyrimidinyl)-3-Oxopropyl]benzoyl]-L- Glutamic Acid CAS No. 193281-05-9 C19H21N5O7 M.W. 431.41 P-6814
![N-[4-[3-(2,6-Diamino-1,4-Dihydro-4-Oxo-5-Pyrimidinyl)-3-Oxopropyl]benzoyl]-L- Glutamic Acid](product_images/P-6814.jpg) | | | Pemetrexed-d5 C20H16N5O6D5 M.W. 432.45 P-682
 |
| Pemetrexed Impurity A CAS No. 137281-39-1 C15H14N4O3 M.W. 298.30 P-683
 | | | Pemetrexed Impurity B CAS No. N/A C40H40N10O13 M.W. 868.82 P-684
 |
| Pemetrexed Impurity C CAS No. N/A C40H40N10O13 M.W. 868.82 P-685
 | | | Pemetrexed Impurity D CAS No. 144051-68-3 C25H28N6O9 M.W. 556.54 P-686
 |
| Pemetrexed Disodium C20H19N5O6. 2 Na M.W. 425.40 2 22.99 P-687
 | | | Pemetrexed Impurity E CAS No. 937370-10-0 C20H19N5Na2O6 M.W. 471.38 P-688
 |
| Pemetrexed Impurity CAS No. 869691-42-4 C21H23N5O6 M.W. 441.45 P-689
 | | | Propentofylline CAS No. 55242-55-2 C15H22N4O3 M.W. 306.37 P-691
 |
| Hydroxy Propentofylline C15H24N4O3 M.W. 308.38 P-692
 | | | Pinaverium Bromide C26H41BrNO4 . Br M.W. 511.52 79.90 P-701
 |
| 1-bromo-2-(bromomethyl)-4,5-dimethoxybenzene CAS No. 53207-00-4 C9H10Br2O2 M.W. 309.99 P-702
 | | | 4-(2-bromo-4,5-dimethoxybenzyl)-4-(2-chloroethyl) morpholinium bromide C15H22Br2ClNO3 M.W. 459.60 P-703
 |
| 4-(2-(2-(6,6-dimethylbicyclo[3.1.1] heptan-2-yl) ethoxy) ethyl) morpholine CAS No. 38284-47-8 C17H31NO2 M.W. 281.44 P-704
![4-(2-(2-(6,6-dimethylbicyclo[3.1.1] heptan-2-yl) ethoxy) ethyl) morpholine](product_images/P-704.jpg) | | | 4-(2-bromo-4,5-dimethoxybenzyl)-4-(2-(2-(6,6-dimethylbicyclo [3.1.1] hept-2-en-2-yl) ethoxy) ethyl) morpholinium bromide CAS No. 1235355-01-7 C26H39Br2NO4 M.W. 589.41 P-705
![4-(2-bromo-4,5-dimethoxybenzyl)-4-(2-(2-(6,6-dimethylbicyclo [3.1.1] hept-2-en-2-yl) ethoxy) ethyl) morpholinium bromide](product_images/P-705.jpg) |
| Pinaverium-d4 Bromide CAS No. N/A C26H37BrNO4D4 Br M.W. 515.55 79.90 P-706
 | | | Pyridoxal-d3 5-Phosphate C8H7D3NO6P M.W. 250.16 P-711
 |
| Pyridoxal-d5 5-Phosphate C8H5D5NO6P M.W. 252.17 P-712
 | | | Pyridoxine-d3 HCl C8H8NO3D3.HCl M.W. 172.20 36.46 P-713
 |
| Pyridoxal HCl C8H9NO3. HCl M.W. 167.17 36.46 P-714
 | | | Pyridoxal-d3 HCl C8H6NO3D3. HCl M.W. 170.18 36.46 P-715
 |
| Pyridoxal-5-Phosphate CAS No. 54-47-7 C8H10NO6P M.W. 247.15 P-716
 | | | Povidone Impurity A (1-Vinylpyrrolidin-2-one) C6H9NO M.W. 111.14 P-721
 |
| Panthenol-d6 C9H13NO4D6 M.W. 211.29 P-731
 | | | Piperacillin Impurity B C23H29N5O8S M.W. 535.58 P-741
 |
| Piperacillin Impurity C C22H29N5O6S M.W. 491.57 P-742
 | | | Piperacillin Impurity D C39H44N8O10S2 M.W. 848.96 P-743
 |
| Piperacillin Impurity E CAS No. 59702-31-7 C6H10N2O2 M.W. 142.16 P-744
 | | | Piperacillin Impurity F C25H31N5O9S M.W. 577.62 P-745
 |
| Piperacillin Impurity H CAS No. 551-16-6 C8H12N2O3S M.W. 216.26 P-746
 | | | Piperacillin sodium impurity G C15H17N3O5 M.W. 319.32 P-747
 |
| Phenformin HCl C10H15N5.HCl M.W. 205.26 36.46 P-751
 | | | Pyrantel CAS No. 15686-83-6 C11H14N2S M.W. 206.31 P-761
 |
| Pyrantel Impurity A C11H14N2S M.W. 206.31 P-762
 | | | Pilocarpine Nitrate C11H16N2O2. HNO3 M.W. 208.26 63.01 P-771
 |
| Pilocarpic Acid Sodium Salt (mixture of diastereomers) C11H17N2O3.Na M.W. 225.27 22.99 P-772
 | | | Promestriene C22H32O2 M.W. 328.50 P-781
 |
| Calcium Propionate 2 C3H5O2 . Ca M.W. 2 73.07 40.08 P-791
 | | | Pimozide-d4 C28H25F2N3OD4 M.W. 465.58 P-801
 |
| Pimozide Impurity A C12H15N3O M.W. 217.27 P-802
 | | | Pimozide Impurity B C28H30FN3O M.W. 443.57 P-803
 |
| Pimozide Impurity C C28H29F2N3O M.W. 461.56 P-804
 | | | Pimozide Impurity D C28H27F2N3O M.W. 459.54 P-805
 |
| Pimozide Impurity E C28H29F2N3O2 M.W. 477.56 P-806
 | | | Picosulfate Impurity B CAS No. 603-41-8 C18H15NO2 M.W. 277.33 P-811
 |
| Picosulfate Impurity A CAS No. 32500-19-9 C18H14NNaO5S M.W. 379.37 P-812
 | | | Picosulfate Sodium CAS No. 10040-45-6 C18H13NNa2O8S2 M.W. 481.41 P-813
 |
| Prednicarbate CAS No. 73771-04-7 C27H36O8 M.W. 488.58 P-821
 | | | 1,2-Dihydroprednicarbate (Impurity F) CAS No. 671225-26-6 C27H38O8 M.W. 490.60 P-822
 |
| Prednicarbate Related Compound A C27H38O8 M.W. 490.60 P-823
 | | | Prednicarbate Related Compound B C24H32O7 M.W. 432.52 P-824
 |
| Prednicarbate Related Compound C C24H32O6 M.W. 416.52 P-825
 | | | Calcium Hydrogen Phosphate CAS No. 7757-93-9 Ca. HO4P M.W. 40.08 95.98 P-831
 |
| Calcium Phosphate Dibasic Dihydrate CAS No. 7789-77-7 Ca. HO4P. 2 H2O M.W. 40.08 95.98 2 18.02 P-832
 | | | Panobinostat CAS No. 404950-80-7 C21H23N3O2 M.W. 349.44 P-841
 |
| Panobinostat-d4 CAS No. N/A C21H19N3O2D4 M.W. 353.46 P-842
 | | | Pleconaril-d6 C18H12F3N3O3D6 M.W. 387.39 P-851
 |
| Pleconaril-d4 C18H14F3N3O3D4 M.W. 385.38 P-852
 | | | Pyridoxamine-5'-phosphate CAS No. 529-96-4 C8H13N2O5P M.W. 248.18 P-8601
 |
| Phenoxymethylpenicillin Potassium Impurity D C16H18N2O6S M.W. 366.40 P-871
 | | | Phenoxymethylpenicillin Potassium Impurity E C16H20N2O6S M.W. 368.41 P-872
 |
| Phenoxymethylpenicillin Potassium Impurity F C15H20N2O4S M.W. 324.40 P-873
 | | | Phenoxymethylpenicillin Potassium Impurity A C16H18N2O4S M.W. 334.40 P-874
 |
| Phenoxymethylpenicillin Potassium Impurity B C8H8O3 M.W. 152.15 P-875
 | | | Propiverine Hydrochloride CAS No. 54556-98-8 C23H29NO3 . HCl M.W. 367.49 36.46 P-881
 |
| Propiverine N- Oxide C23H29NO4 M.W. 383.49 P-882
 | | | Propiverine-d7 C23H22NO3D7 M.W. 374.53 P-883
 |
| Penicillamine C5H11NO2S M.W. 149.21 P-891
 | | | Penicillamine-d3 Acetate (mixture of isomers) C5H8NO2SD3.C2H4O2 M.W. 152.23 60.05 P-892
 |
| Cysteine-penicillamine disulfide C8H16N2O4S2 M.W. 268.36 P-893
 | | | Homocysteine-penicillamine disulfide C9H18N2O4S2 M.W. 282.38 P-894
 |
| S-methyl-penicillamine C6H13NO2S M.W. 163.24 P-895
 | | | Pramoxine Impurity A C10H14O2 M.W. 166.22 P-902
 |
| Pramoxine Impurity B C14H22O2 M.W. 222.33 P-903
 | | | Pramoxine Impurity C C7H14ClNO M.W. 163.65 P-904
 |
| Pramoxine Impurity D C24H34O4 M.W. 386.54 P-905
 | | | Pyridoxine Hydrochloride CAS No. 58-56-0 C8H11NO3 HCl M.W. 169.18 36.46 P-941
 |
| Pyridoxine HCl Impurity A CAS No. N/A C8H9NO2 M.W. 151.17 P-942
 | | | Pyridoxine HCl Impurity B CAS No. 148-51-6 C8H11NO2 M.W. 153.18 P-943
 |
| Penduletin C18H16O7 M.W. 344.32 P-951
 | | | Propantheline Bromide-d3 C23H27NO3D3 . Br M.W. 451.42 P-961
 |
| Phenindione CAS No. 83-12-5 C15H10O2 M.W. 222.25 P-971
 | | | Phenindione-d5 C15H5O2D5 M.W. 227.28 P-972
 |
| Precalciferol CAS No. 1173-13-3 C27H44O M.W. 384.65 P-981
 | | | Phosphocholine-d9 C5H5NO4PD9 M.W. 192.20 P-991
 |
| PD 0325901 CAS No. 391210-10-9 C16H14F3IN2O4 M.W. 482.20 PF-0003
 | | | Prostaglandin E1 CAS No. 745-65-3 C20H34O5 M.W. 354.49 PF-0005
 |
| PD 173074 CAS No. 219580-11-7 C28H41N7O3 M.W. 523.68 PF-0006
 | | | Prazosin HCl (Furazosin HCl) CAS No. 19237-84-4 C19H21N5O4. HCl M.W. 383.41 36.46 PF-0007
 |
| PF-4708671 CAS No. 1255517-76-0 C19H21F3N6 M.W. 390.41 PF-0020
 | |