Impurity Reference Standards

Metabolites & Degradation Products

Drug metabolites, N-oxides, sulphoxides and forced-degradation products for stability studies, DMPK work and impurity identification.

2,569 products117 in stockCOA + SDS with every lot

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(2S,3S,4R,5S,6R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

CAS: 2452301-28-7
Formula: C₂₃H₂₇ClO₇
MW: 450.9 g/mol

ZX-024495

(2S,3S,4S,5R,6R)-6-(Acetoxymethyl)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-5-hydroxytetrahydro-2H-pyran-3,4-diyl Diacetate

CAS: 1415905-91-7
Formula: C₂₇H₃₁ClO₉
MW: 535 g/mol

ZX-024145

(2S,3S,5S)-2-Amino-3-hydroxy-5-(tert-butyloxycarbonylamino)-1,6-diphenylhexane

CAS: 144163-85-9
Formula: C₂₃H₃₂N₂O₃
MW: 384.5 g/mol

ZX-036124

(2S,3S,5S)-5-tert-Butyloxycarbonylamino-2-amino-3-hydroxy-1,6-diphenylhexane succinate

CAS: 183388-64-9
Formula: C₅₀H₇₀N₄O₁₀
MW: 887.1 g/mol

ZX-045061

(2S,3S)-2-Hydroxy-3-methylpentanoic acid

CAS: 59653-35-9
Formula: C₆H₁₂O₃
MW: 132.16 g/mol

ZX-039608

(2S,3S)-3-(2,5-Difluorophenyl)-3-hydroxy-2-methyl-4-(1H-1,2,4-triazol-1-yl)butanenitrile

CAS: 2001051-99-4
Formula: C₁₃H₁₂F₂N₄O
MW: 278.26 g/mol

ZX-025173

(2S,3S)-5-(2-Aminoethyl)-2,3-dihydro-3-hydroxy-2-(4-hydroxyphenyl)-1,5-benzothiazepin-4(5H)-one

CAS: 115992-91-1
Formula: C₁₇H₁₈N₂O₃S
MW: 330.4 g/mol

ZX-024291

(2S,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-methoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid

CAS: 185802-22-6
Formula: C₁₇H₂₃N₃O₆S
MW: 397.4 g/mol

ZX-023274

(2S,4S)-tert-Butyl 4-hydroxy-2-(thiazolidine-3-carbonyl)pyrrolidine-1-carboxylate

CAS: 401564-34-9
Formula: C₁₃H₂₂N₂O₄S
MW: 302.39 g/mol

ZX-027139

(2S)-2-(4-(1-(2-Amino-4-hydroxypteridin-6-yl)pent-4-yn-2-yl)benzamido)pentanedioic Acid

CAS: 1548618-61-6
Formula: C₂₃H₂₂N₆O₆
MW: 478.5 g/mol

ZX-026472

(2S)-2-(6-Fluorochroman-2-yl)-2-Hydroxyethyl Acetate

CAS: 1345202-52-9
Formula: C₁₃H₁₅FO₄
MW: 254.25 g/mol

ZX-030787

(2S)-2-Amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid

CAS: 25242-90-4
Formula: C₁₁H₁₂N₂O₃
MW: 220.22 g/mol

ZX-040824

(2S)-4-(1,3-Dioxoisoindolin-2-yl)-2-hydroxybutanoic acid

CAS: 48172-10-7
Formula: C₁₂H₁₁NO₅
MW: 249.22 g/mol

ZX-034552

(2Z)-2-Cyano-N-(4-cyanophenyl)-3-hydroxy-2-Butenamide

CAS: 202057-74-7
Formula: C₁₂H₉N₃O₂
MW: 227.22 g/mol

ZX-025328

(3-Alpha,5-beta,6-Alpha)-6-Ethyl-3-hydroxy-7-oxo-cholan-24-oic Acid

CAS: 915038-26-5
Formula: C₂₆H₄₂O₄
MW: 418.6 g/mol

ZX-025892

(3-Chloro-2-hydroxypropyl)trimethylammonium chloride

CAS: 3327-22-8
Formula: C₆H₁₅Cl₂NO
MW: 188.09 g/mol

ZX-045808

(3a,5β)-6-Ethylidene-3-Hydroxy-7-Oxocholan-24-Oic Acid

CAS: 915038-24-3
Formula: C₂₆H₄₀O₄
MW: 416.6 g/mol

ZX-030913

(3AR,4R,5R,6aS)-5-hydroxy-4-((R,E)-3-hydroxy-4-(3-(trifluoromethyl)phenoxy)but-1-enyl)hexahydro-2H-cyclopenta[b]furan-2-one

CAS: 53872-60-9
Formula: C₁₈H₁₉F₃O₅
MW: 372.3 g/mol

ZX-042622

(3AR,4R,5R,6aS)-5-Hydroxy-4-((S,E)-3-hydroxy-5-phenylpent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one

CAS: 41639-74-1
Formula: C₁₈H₂₂O₄
MW: 302.4 g/mol

ZX-045649

(3AS,6R,7R,7aS)-3a-(Hydroxymethyl)-2,2-dimethyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran-6,7-diol

CAS: 58238-46-3
Formula: C₉H₁₆O₆
MW: 220.22 g/mol

ZX-027354

(3R,4R,4AS,7R,8S,8aR)-Hexahydro-3-hydroxy-4,7-dimethyl-8-(3-oxobutyl)-1,2-benzodioxin-8a(3H)-carboxaldehyde

CAS: 149588-86-3
Formula: C₁₅H₂₄O₅
MW: 284.35 g/mol

ZX-023371

(3R,4R,5R)-4-(1-Ethylpropoxy)-3-hydroxy-5-[(methylsulfonyl)oxy]-1-cyclohexene-1-carboxylic Acid Ethy

CAS: 204254-94-4
Formula: C₁₅H₂₆O₇S
MW: 350.4 g/mol

ZX-030989

(3R,4R)-3-4-Dimethyl-4-(3-hydroxyphenyl) Piperidine

CAS: 119193-19-0
Formula: C₁₃H₁₉NO
MW: 205.3 g/mol

ZX-020576

(3R,4S,5R)-Ethyl 5-azido-4-hydroxy-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate

CAS: 204254-98-8
Formula: C₁₄H₂₃N₃O₄
MW: 297.35 g/mol

ZX-030988

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