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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.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Adrenalin Impurity 4 chemical structure

Adrenalin Impurity 4

CAS: 857565-22-1
Formula: C₉H₁₂ClNO₃
MW: 217.65 g/mol

VQ-035407

Reference Standard

Adrenalin Impurity 5 chemical structure

Adrenalin Impurity 5

CAS: 29705-82-6
Formula: C₉H₁₂ClNO₃
MW: 217.65 g/mol

VQ-035408

Reference Standard

Adrenaline EP Impurity D chemical structure

Adrenaline EP Impurity D

CAS: 317351-40-9
Formula: C₁₆H₁₉NO₃
MW: 273.33 g/mol

VQ-021440

Reference Standard

Adrenaline EP Impurity E chemical structure

Adrenaline EP Impurity E

CAS: 36467-25-1
Formula: C₁₆H₁₇NO₃
MW: 271.31 g/mol

VQ-021435

Reference Standard

Adrenaline EP Impurity E Hydrochloride chemical structure

Adrenaline EP Impurity E Hydrochloride

CAS: 317351-39-6
Formula: C₁₆H₁₈ClNO₃
MW: 307.77 g/mol

VQ-029045

Reference Standard

Adrenaline EP Impurity F chemical structure

Adrenaline EP Impurity F

CAS: 78995-75-2
Formula: C₉H₁₃NO₅S
MW: 247.27 g/mol

VQ-021437

Reference Standard

Adrenaline-quinone

Adrenaline-quinone

CAS: 62358-01-4
Formula: C₉H₁₁NO₃
MW: 181.19 g/mol

VQ-029043

Reference Standard

Adrenalone chemical structure

CAS: 99-45-6
Formula: C₉H₁₁NO₃
MW: 181.19 g/mol

VQ-021439

Reference Standard

Adrenochrome chemical structure

CAS: 54-06-8
Formula: C₉H₉NO₃
MW: 179.17 g/mol

VQ-024152

Reference Standard

Advantame chemical structure

CAS: 714229-20-6
Formula: C₂₄H₃₂N₂O₈
MW: 476.5 g/mol

VQ-047345

Reference Standard

Aescin IA chemical structure

CAS: 123748-68-5
Formula: C₅₅H₈₆O₂₄
MW: 1131.3 g/mol

VQ-030546

Reference Standard

Aescin IB chemical structure

CAS: 26339-90-2
Formula: C₅₅H₈₆O₂₄
MW: 1131.3 g/mol

VQ-030548

Reference Standard

Afacifenacin chemical structure

CAS: 877606-63-8
Formula: C₂₇H₂₆F₃N₃O₂
MW: 481.5 g/mol

VQ-043519

Reference Standard

Afatinib chemical structure

CAS: 850140-72-6
Formula: C₂₄H₂₅ClFN₅O₃
MW: 485.9 g/mol

VQ-024153

Reference Standard

Afatinib 3,4-dichlorophenyl Amine Impurity chemical structure

Afatinib 3,4-dichlorophenyl Amine Impurity

CAS: 2044709-79-5
Formula: C₁₈H₁₆Cl₂N₄O₂
MW: 391.2 g/mol

VQ-035328

Reference Standard

Afatinib Bis-dimethylamino Impurity chemical structure

Afatinib Bis-dimethylamino Impurity

CAS: 2414260-31-2
Formula: C₂₆H₃₂ClFN₆O₃
MW: 531 g/mol

VQ-035346

Reference Standard

Afatinib dimaleate chemical structure

Afatinib dimaleate

CAS: 850140-73-7
Formula: C₃₂H₃₃ClFN₅O₁₁
MW: 718.1 g/mol

VQ-021442

Reference Standard

Afatinib Dimer impurity chemical structure

Afatinib Dimer impurity

CAS: 2223677-65-2
Formula: C₃₈H₃₀Cl₂F₂N₈O₆
MW: 803.6 g/mol

VQ-021451

Reference Standard

Afatinib dimethyloxalamide impurity chemical structure

Afatinib dimethyloxalamide impurity

CAS: 2223677-66-3
Formula: C₂₂H₂₁ClFN₅O₄
MW: 473.9 g/mol

VQ-021450

Reference Standard

Afatinib Hydroxy impurity chemical structure

Afatinib Hydroxy impurity

CAS: 2223677-61-8
Formula: C₂₀H₁₉ClFN₅O₂
MW: 415.8 g/mol

VQ-020750

Reference Standard

Afatinib Hydroxy-Pyrrolidinonyl (R-Isomer) Impurity

Afatinib Hydroxy-Pyrrolidinonyl (R-Isomer) Impurity

CAS: 2413212-19-6
Formula: C₂₂H₂₀ClFN₄O₄
MW: 458.87 g/mol

VQ-024159

Reference Standard

Afatinib Impurity AFT-8 chemical structure

Afatinib Impurity AFT-8

CAS: 2323570-72-3
Formula: C₂₄H₂₇ClFN₅O₄
MW: 504 g/mol

VQ-020749

Reference Standard

Afatinib Impurity C chemical structure

Afatinib Impurity C

CAS: 945553-91-3
Formula: C₂₄H₂₅ClFN₅O₃
MW: 485.9 g/mol

VQ-020745

Reference Standard

Afatinib Impurity J chemical structure

Afatinib Impurity J

CAS: 1456696-14-2
Formula: C₁₈H₂₂N₄O₄
MW: 358.4 g/mol

VQ-021449

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