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Impurity Reference Standards

Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.

20,060 products6 categories2,050 in stockCOA + SDS with every lot

20,060 products · page 151 of 836

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3-Methyl 5-(2-(methylamino)ethyl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

CAS: 58368-87-9
Formula: C₁₉H₂₃N₃O₆
MW: 389.4 g/mol

ZX-030817

3-Methyl a-Carboline

CAS: 76162-60-2
Formula: C₁₂H₁₀N₂
MW: 182.22 g/mol

ZX-044413

3-Methyl Cefdinir

CAS: 71091-93-5
Formula: C₁₃H₁₃N₅O₅S₂
MW: 383.4 g/mol

ZX-021102

3-Methyl Hippuric Acid

CAS: 27115-49-7
Formula: C₁₀H₁₁NO₃
MW: 193.2 g/mol

ZX-034243

3-Methyl-1-phenyl-1H-pyrazole-4,5-dione

CAS: 881-05-0
Formula: C₁₀H₈N₂O₂
MW: 188.18 g/mol

ZX-029146

3-Methyl-1-phenylpyridin-2(1H)-one

CAS: 53427-93-3
Formula: C₁₂H₁₁NO
MW: 185.22 g/mol

ZX-031798

3-Methyl-1,2,4-thiadiazole-5-carbohydrazide

CAS: 1375066-73-1
Formula: C₄H₆N₄OS
MW: 158.18 g/mol

ZX-024734

3-Methyl-1,2,4-triazolo[3,4-a]phthalazine

CAS: 20062-41-3
Formula: C₁₀H₈N₄
MW: 184.2 g/mol

ZX-021822

3-Methyl-2-(trifluoromethyl)aniline

CAS: 106877-30-9
Formula: C₈H₈F₃N
MW: 175.15 g/mol

ZX-034682

3-Methyl-2-benzothiazolinone Hydrazone Hydrochloride Hydrate

CAS: 149022-15-1
Formula: C₈H₁₀ClN₃S
MW: 215.7 g/mol

ZX-045920

3-Methyl-2H-indazol-6-amine

CAS: 1252927-42-6
Formula: C₈H₉N₃
MW: 147.18 g/mol

ZX-045695

3-Methyl-4-(trifluoromethyl)aniline

CAS: 106877-31-0
Formula: C₈H₈F₃N
MW: 175.15 g/mol

ZX-034683

3-Methyl-5-(3-nitrophenyl)cyclohex-2-en-1-one

CAS: 10323-98-5
Formula: C₁₃H₁₃NO₃
MW: 231.25 g/mol

ZX-030814

3-Methyl-6-nitro-2H-indazole

CAS: 1313372-75-6
Formula: C₈H₇N₃O₂
MW: 177.16 g/mol

ZX-032836

3-Methyl-6-nitroindazole

CAS: 6494-19-5
Formula: C₈H₇N₃O₂
MW: 177.16 g/mol

ZX-035946

3-Methyl-6-quinolinesulfonyl Chloride

CAS: 1780572-69-1
Formula: C₁₀H₈ClNO₂S
MW: 241.69 g/mol

ZX-028070

3-Methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tertbutyloxycarbonylamino)piperidin-1-yl]-xanthine

CAS: 666816-91-7
Formula: C₂₀H₂₈N₆O₄
MW: 416.5 g/mol

ZX-030289

3-Methyl-8-quinolinesulfonic acid

CAS: 153886-69-2
Formula: C₁₀H₉NO₃S
MW: 223.25 g/mol

ZX-028069

3-Methyl-d3-1,1-diphenylurea

CAS: 208107-10-2
Formula: C₁₄H₁₄N₂O
MW: 226.27 g/mol

ZX-043147

3-Methylazepan-2-one

CAS: 2073-32-7
Formula: C₇H₁₃NO
MW: 127.18 g/mol

ZX-027962

3-Methylbenzenesulfonamide

CAS: 1899-94-1
Formula: C₇H₉NO₂S
MW: 171.22 g/mol

ZX-039785

3-Methylbenzenesulfonic Acid

CAS: 617-97-0
Formula: C₇H₈O₃S
MW: 172.2 g/mol

ZX-031183

3-Methylbutyl Chloroformate

CAS: 628-50-2
Formula: C₆H₁₁ClO₂
MW: 150.6 g/mol

ZX-031288

3-Methylcholanthrene

CAS: 56-49-5
Formula: C₂₁H₁₆
MW: 268.4 g/mol

ZX-018642

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