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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

7-Dechloro Griseofulvin chemical structure

7-Dechloro Griseofulvin

CAS: 3680-32-8
Formula: C₁₇H₁₈O₆
MW: 318.32 g/mol

VQ-026028

Reference Standard

7-Dehydroxyvancomycin B

7-Dehydroxyvancomycin B

CAS: 1141925-31-6
Formula: C₆₆H₇₅Cl₂N₉O₂₃
MW: 1433.25 g/mol

VQ-042818

Reference Standard

7-Desmethyl Ormeloxifene chemical structure

7-Desmethyl Ormeloxifene

CAS: 84394-36-5
Formula: C₂₉H₃₃NO₃
MW: 443.6 g/mol

VQ-038790

Reference Standard

7-Desmethyl-3-hydroxyagomelatine chemical structure

7-Desmethyl-3-hydroxyagomelatine

CAS: 166527-00-0
Formula: C₁₄H₁₅NO₃
MW: 245.27 g/mol

VQ-024163

Reference Standard

7-Desmethylagomelatine chemical structure

7-Desmethylagomelatine

CAS: 152302-45-9
Formula: C₁₄H₁₅NO₂
MW: 229.27 g/mol

VQ-021455

Reference Standard

7-Epi Clindamycin Hydrochloride chemical structure

7-Epi Clindamycin Hydrochloride

CAS: 17431-55-9
Formula: C₁₈H₃₄Cl₂N₂O₅S
MW: 461.4 g/mol

VQ-036373

Reference Standard

7-Epi-10-Deacetyl Baccatin III chemical structure

7-Epi-10-Deacetyl Baccatin III

CAS: 71629-92-0
Formula: C₂₉H₃₆O₁₀
MW: 544.6 g/mol

VQ-033024

Reference Standard

7-Epi-10-Oxo-10-Deacetyl Baccatin III chemical structure

7-Epi-10-Oxo-10-Deacetyl Baccatin III

CAS: 151636-94-1
Formula: C₂₉H₃₄O₁₀
MW: 542.6 g/mol

VQ-027362

Reference Standard

7-epi-6β-Ethyl Ursodeoxycholic Acid chemical structure

7-epi-6β-Ethyl Ursodeoxycholic Acid

CAS: 1708092-13-0
Formula: C₂₆H₄₄O₄
MW: 420.6 g/mol

VQ-026966

Reference Standard

7-Ethoxy-3-phenyl-4H-chromen-4-one chemical structure

7-Ethoxy-3-phenyl-4H-chromen-4-one

CAS: 13057-73-3
Formula: C₁₇H₁₄O₃
MW: 266.29 g/mol

VQ-050284

Reference Standard

7-Ethyl Theophylline chemical structure

7-Ethyl Theophylline

CAS: 23043-88-1
Formula: C₉H₁₂N₄O₂
MW: 208.22 g/mol

VQ-034186

Reference Standard

7-Ethyl tryptophol Etodolac ester impurity

7-Ethyl tryptophol Etodolac ester impurity

CAS: 2716047-66-2
Formula: C₂₉H₃₄N₂O₃
MW: 458.6 g/mol

VQ-037148

Reference Standard

7-Ethyl-10-methoxycamptothecin chemical structure

7-Ethyl-10-methoxycamptothecin

CAS: 86639-53-4
Formula: C₂₃H₂₂N₂O₅
MW: 406.4 g/mol

VQ-024731

Reference Standard

7-Fluoro-1,4-dihydro-1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-6-iodo-4-oxo-3-Quinolinecarboxylic acid ethyl ester chemical structure

7-Fluoro-1,4-dihydro-1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-6-iodo-4-oxo-3-Quinolinecarboxylic acid ethyl ester

CAS: 697762-60-0
Formula: C₁₇H₁₉FINO₄
MW: 447.24 g/mol

VQ-048188

Reference Standard

7-Fluoro-6-nitro-4-hydroxyquinazoline chemical structure

7-Fluoro-6-nitro-4-hydroxyquinazoline

CAS: 162012-69-3
Formula: C₈H₄FN₃O₃
MW: 209.13 g/mol

VQ-024155

Reference Standard

7-Fluoroquinazolin-4(3H)-one chemical structure

7-Fluoroquinazolin-4(3H)-one

CAS: 16499-57-3
Formula: C₈H₅FN₂O
MW: 164.14 g/mol

VQ-028855

Reference Standard

7-Hydroxy Abscisic Acid chemical structure

7-Hydroxy Abscisic Acid

CAS: 91897-25-5
Formula: C₁₅H₂₀O₅
MW: 280.32 g/mol

VQ-032975

Reference Standard

7-Hydroxy Alosetron chemical structure

7-Hydroxy Alosetron

CAS: 863485-44-3
Formula: C₁₇H₁₈N₄O₂
MW: 310.35 g/mol

VQ-043039

Reference Standard

7-Hydroxy Amoxapine chemical structure

7-Hydroxy Amoxapine

CAS: 37081-76-8
Formula: C₁₇H₁₆ClN₃O₂
MW: 329.8 g/mol

VQ-020796

Reference Standard

7-Hydroxy Bexarotene chemical structure

7-Hydroxy Bexarotene

CAS: 368451-10-9
Formula: C₂₄H₂₈O₃
MW: 364.5 g/mol

VQ-035958

Reference Standard

7-Hydroxy Chlorpromazine chemical structure

7-Hydroxy Chlorpromazine

CAS: 2095-62-7
Formula: C₁₇H₁₉ClN₂OS
MW: 334.9 g/mol

VQ-029751

Reference Standard

7-Hydroxy Chlorpromazine D6

7-Hydroxy Chlorpromazine D6

CAS: 2469242-67-7
Formula: C₁₇H₁₃D₆ClN₂OS
MW: 340.9 g/mol

VQ-036269

Reference Standard

7-Hydroxy Chlorpromazine Hydrochloride chemical structure

7-Hydroxy Chlorpromazine Hydrochloride

CAS: 51938-11-5
Formula: C₁₇H₂₀Cl₂N₂OS
MW: 371.3 g/mol

VQ-045384

Reference Standard

7-Hydroxy Coumarin β-D-Glucuronide Sodium chemical structure

7-Hydroxy Coumarin β-D-Glucuronide Sodium

CAS: 168286-98-4
Formula: C₁₅H₁₃NaO₉
MW: 360.25 g/mol

VQ-038243

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