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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Pimozide EP Impurity B chemical structure

Pimozide EP Impurity B

CAS: 1997-93-9
Formula: C₂₈H₃₀FN₃O
MW: 443.6 g/mol

VQ-027501

Reference Standard

Pimozide EP Impurity C

Pimozide EP Impurity C

CAS: 2512213-29-3
Formula: C₂₈H₂₉F₂N₃O
MW: 461.6 g/mol

VQ-027442

Reference Standard

Pimozide EP Impurity D chemical structure

Pimozide EP Impurity D

CAS: 2749415-55-0
Formula: C₂₈H₂₇F₂N₃O
MW: 459.5 g/mol

VQ-027443

Reference Standard

Pimozide EP Impurity E chemical structure

Pimozide EP Impurity E

CAS: 1083078-88-9
Formula: C₂₈H₂₉F₂N₃O₂
MW: 477.5 g/mol

VQ-027502

Reference Standard

Pimozide Impurity 5 chemical structure

Pimozide Impurity 5

CAS: 1121585-10-1
Formula: C₁₆H₁₆F₂
MW: 246.29 g/mol

VQ-030830

Reference Standard

Pimozide Olefin

Pimozide Olefin

CAS: 1347746-73-9
Formula: C₂₈H₂₇F₂N₃O
MW: 459.54 g/mol

VQ-035208

Reference Standard

Pinaverium 1,2-Bis(bromomethyl) Impurity chemical structure

Pinaverium 1,2-Bis(bromomethyl) Impurity

CAS: 26726-81-8
Formula: C₁₀H₁₂Br₂O₂
MW: 324.01 g/mol

VQ-031315

Reference Standard

Pinaverium Bromide chemical structure

Pinaverium Bromide

CAS: 53251-94-8
Formula: C₂₆H₄₁Br₂NO₄
MW: 591.4 g/mol

VQ-027503

Reference Standard

Pinaverium bromide cis-2-ethanol impurity chemical structure

Pinaverium bromide cis-2-ethanol impurity

CAS: 151825-17-1
Formula: C₁₁H₂₀O
MW: 168.28 g/mol

VQ-033189

Reference Standard

Pindolol chemical structure

CAS: 13523-86-9
Formula: C₁₄H₂₀N₂O₂
MW: 248.32 g/mol

VQ-027506

Reference Standard

Pindolol EP Impurity B chemical structure

Pindolol EP Impurity B

CAS: 130115-63-8
Formula: C₂₀H₃₃N₃O₃
MW: 363.5 g/mol

VQ-034881

Reference Standard

Pindolol EP Impurity C chemical structure

Pindolol EP Impurity C

CAS: 130115-65-0
Formula: C₂₅H₃₁N₃O₄
MW: 437.5 g/mol

VQ-034882

Reference Standard

Pindolol EP Impurity D chemical structure

Pindolol EP Impurity D

CAS: 61212-32-6
Formula: C₁₁H₁₃NO₃
MW: 207.23 g/mol

VQ-034883

Reference Standard

Pindolol EP Impurity F chemical structure

Pindolol EP Impurity F

CAS: 130115-66-1
Formula: C₁₁H₁₂ClNO₂
MW: 225.67 g/mol

VQ-043257

Reference Standard

Pindolol-d7 chemical structure

CAS: 1185031-19-9
Formula: C₁₄H₂₀N₂O₂
MW: 255.36 g/mol

VQ-041491

Reference Standard

Pinoxaden chemical structure

CAS: 243973-20-8
Formula: C₂₃H₃₂N₂O₄
MW: 400.5 g/mol

VQ-033191

Reference Standard

Pinoxaden Metabolite SYN502836 chemical structure

Pinoxaden Metabolite SYN502836

CAS: 881376-42-7
Formula: C₁₈H₂₂N₂O₅
MW: 346.4 g/mol

VQ-041492

Reference Standard

Pioglitazone chemical structure

CAS: 111025-46-8
Formula: C₁₉H₂₀N₂O₃S
MW: 356.4 g/mol

In stock

Reference Standard

Pioglitazone Aldehyde Impurity chemical structure

Pioglitazone Aldehyde Impurity

CAS: 114393-97-4
Formula: C₁₆H₁₇NO₂
MW: 255.31 g/mol

VQ-033199

Reference Standard

Pioglitazone Amino Impurity chemical structure

Pioglitazone Amino Impurity

CAS: 85583-40-0
Formula: C₁₅H₁₈N₂O
MW: 242.32 g/mol

VQ-035486

Reference Standard

Pioglitazone Bromo Impurity chemical structure

Pioglitazone Bromo Impurity

CAS: 669716-58-9
Formula: C₁₅H₁₆BrNO
MW: 306.2 g/mol

VQ-027507

Reference Standard

Pioglitazone Didehydro Hydroxy Impurity chemical structure

Pioglitazone Didehydro Hydroxy Impurity

CAS: 646519-84-8
Formula: C₁₉H₁₈N₂O₄S
MW: 370.4 g/mol

VQ-035394

Reference Standard

Pioglitazone EP Impurity A chemical structure

Pioglitazone EP Impurity A

CAS: 625853-74-9
Formula: C₁₉H₂₀N₂O₄S
MW: 372.4 g/mol

VQ-023498

Reference Standard

Pioglitazone EP Impurity B chemical structure

Pioglitazone EP Impurity B

CAS: 136401-69-9
Formula: C₁₉H₁₈N₂O₃S
MW: 354.4 g/mol

VQ-023501

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