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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

3-(6'-Oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzonitrile chemical structure

3-(6'-Oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzonitrile

CAS: 380918-53-6
Formula: C₂₃H₁₅N₃O
MW: 349.4 g/mol

VQ-027441

Reference Standard

3-(7-Cyano-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indolin-1-yl)propyl benzoate

3-(7-Cyano-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indolin-1-yl)propyl benzoate

CAS: 1808278-26-3
Formula: C₃₂H₃₄F₃N₃O₄
MW: 581.63 g/mol

VQ-043298

Reference Standard

3-(7-Cyano-5-(2-nitropropyl)indolin-1-yl)propyl benzoate chemical structure

3-(7-Cyano-5-(2-nitropropyl)indolin-1-yl)propyl benzoate

CAS: 350797-56-7
Formula: C₂₂H₂₃N₃O₄
MW: 393.4 g/mol

VQ-033845

Reference Standard

3-(9H-Carbazol-4-yloxy)-1,2-propanediol chemical structure

3-(9H-Carbazol-4-yloxy)-1,2-propanediol

CAS: 123119-89-1
Formula: C₁₅H₁₅NO₃
MW: 257.28 g/mol

VQ-022040

Reference Standard

3-(Acetyloxy)-2,3-dihydro-2-(4-methoxyphenyl)-5-methyl-1,5-benzothiazepin-4(5H)-one chemical structure

3-(Acetyloxy)-2,3-dihydro-2-(4-methoxyphenyl)-5-methyl-1,5-benzothiazepin-4(5H)-one

CAS: 2067323-40-2
Formula: C₁₉H₁₉NO₄S
MW: 357.4 g/mol

VQ-044539

Reference Standard

3-(Aminomethyl)-5-methylhexanamide chemical structure

3-(Aminomethyl)-5-methylhexanamide

CAS: 1026009-73-3
Formula: C₈H₁₈N₂O
MW: 158.24 g/mol

VQ-027616

Reference Standard

3-(Aminomethyl)-6-hydroxy-5-methylhexanoic Acid chemical structure

3-(Aminomethyl)-6-hydroxy-5-methylhexanoic Acid

CAS: 1824424-61-4
Formula: C₈H₁₇NO₃
MW: 175.23 g/mol

VQ-041629

Reference Standard

3-(Aminosulfonyl)-5-(dibutylamino)-4-phenoxybenzoic Acid chemical structure

3-(Aminosulfonyl)-5-(dibutylamino)-4-phenoxybenzoic Acid

CAS: 1236290-34-8
Formula: C₂₁H₂₈N₂O₅S
MW: 420.5 g/mol

VQ-029535

Reference Standard

3-(Benzyl(methyl)amino)-1-phenylpropan-1-ol chemical structure

3-(Benzyl(methyl)amino)-1-phenylpropan-1-ol

CAS: 74681-55-3
Formula: C₁₇H₂₁NO
MW: 255.35 g/mol

VQ-030806

Reference Standard

3-(Bromomethyl)benzoic Acid chemical structure

3-(Bromomethyl)benzoic Acid

CAS: 6515-58-8
Formula: C₈H₇BrO₂
MW: 215.04 g/mol

VQ-048650

Reference Standard

3-(But-3-en-1-yloxy)-N-(3,5-dichloropyridin-4-yl)-4-(difluoromethoxy)benzamide chemical structure

3-(But-3-en-1-yloxy)-N-(3,5-dichloropyridin-4-yl)-4-(difluoromethoxy)benzamide

CAS: 2368178-29-2
Formula: C₁₇H₁₄Cl₂F₂N₂O₃
MW: 403.2 g/mol

VQ-027883

Reference Standard

3-(Chloromethyl)Pyridine chemical structure

3-(Chloromethyl)Pyridine

CAS: 3099-31-8
Formula: C₆H₆ClN
MW: 127.57 g/mol

VQ-024566

Reference Standard

3-(Cyano(2,5-dichlorophenyl)methylene)carbazamidine chemical structure

3-(Cyano(2,5-dichlorophenyl)methylene)carbazamidine

CAS: 94213-25-9
Formula: C₉H₇Cl₂N₅
MW: 256.09 g/mol

VQ-026348

Reference Standard

3-(Cyclohexylamino)-3-oxopropanoic Acid chemical structure

3-(Cyclohexylamino)-3-oxopropanoic Acid

CAS: 918641-99-3
Formula: C₉H₁₅NO₃
MW: 185.22 g/mol

VQ-036539

Reference Standard

3-(Cyclopropylcarbonyl)-α,α-dimethylbenzeneacetic Acid chemical structure

3-(Cyclopropylcarbonyl)-α,α-dimethylbenzeneacetic Acid

CAS: 162096-56-2
Formula: C₁₄H₁₆O₃
MW: 232.27 g/mol

VQ-032709

Reference Standard

3-(Cyclopropylmethoxy)-4-(difluoromethoxy)benzaldehyde chemical structure

3-(Cyclopropylmethoxy)-4-(difluoromethoxy)benzaldehyde

CAS: 151103-09-2
Formula: C₁₂H₁₂F₂O₃
MW: 242.22 g/mol

VQ-033634

Reference Standard

3-(Cyclopropylmethoxy)-4-hydroxybenzaldehyde chemical structure

3-(Cyclopropylmethoxy)-4-hydroxybenzaldehyde

CAS: 25934-52-5
Formula: C₁₁H₁₂O₃
MW: 192.21 g/mol

VQ-041983

Reference Standard

3-(Cyclopropylmethoxy)-4-hydroxybenzoic Acid chemical structure

3-(Cyclopropylmethoxy)-4-hydroxybenzoic Acid

CAS: 1243391-44-7
Formula: C₁₁H₁₂O₄
MW: 208.21 g/mol

VQ-027882

Reference Standard

3-(Cyclopropylmethoxy)-N-(3,5-dichloropyridin-4-yl)-4-hydroxybenzamide chemical structure

3-(Cyclopropylmethoxy)-N-(3,5-dichloropyridin-4-yl)-4-hydroxybenzamide

CAS: 475271-62-6
Formula: C₁₆H₁₄Cl₂N₂O₃
MW: 353.2 g/mol

VQ-033628

Reference Standard

3-(Dibromomethyl)benzonitrile chemical structure

3-(Dibromomethyl)benzonitrile

CAS: 256386-07-9
Formula: C₈H₅Br₂N
MW: 274.94 g/mol

VQ-029068

Reference Standard

3-(Diethylamino)-8-methyl-2(1H)-quinolinone chemical structure

3-(Diethylamino)-8-methyl-2(1H)-quinolinone

CAS: 113225-33-5
Formula: C₁₄H₁₈N₂O
MW: 230.31 g/mol

VQ-026464

Reference Standard

3-(Dimethylamino)-1-(3-iodo-1-isopropyl-1H-pyrazol-4-yl)prop-2-en-1-one chemical structure

3-(Dimethylamino)-1-(3-iodo-1-isopropyl-1H-pyrazol-4-yl)prop-2-en-1-one

CAS: 1269440-51-8
Formula: C₁₁H₁₆IN₃O
MW: 333.17 g/mol

VQ-030479

Reference Standard

3-(Dimethylamino)-1-(3-thienyl)-1-propanone Hydrochloride chemical structure

3-(Dimethylamino)-1-(3-thienyl)-1-propanone Hydrochloride

CAS: 14994-02-6
Formula: C₉H₁₄ClNOS
MW: 219.73 g/mol

VQ-048114

Reference Standard

3-(Dimethylamino)-1-(Naphthalen-1-yl)propan-1-one HCl chemical structure

3-(Dimethylamino)-1-(Naphthalen-1-yl)propan-1-one HCl

CAS: 5409-58-5
Formula: C₁₅H₁₈ClNO
MW: 263.76 g/mol

VQ-020910

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