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Impurities & Reference Standards

API Impurities

Source 1942 api impurities for research, QC and production, documented with COA and SDS.

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Reference Standard

2-Chloro-N,N-dimethylpropylamine hydrochloride chemical structure

2-Chloro-N,N-dimethylpropylamine hydrochloride

CAS: 4584-49-0
Formula: C₅H₁₃Cl₂N
MW: 158.07 g/mol

VQ-039059

Reference Standard

2-Chloro-N'-(2-chloroacetyl)acetohydrazide chemical structure

2-Chloro-N'-(2-chloroacetyl)acetohydrazide

CAS: 89124-06-1
Formula: C₄H₆Cl₂N₂O₂
MW: 185.01 g/mol

VQ-044238

Reference Standard

2-Chloroacridin-9(10H)-one chemical structure

2-Chloroacridin-9(10H)-one

CAS: 7497-52-1
Formula: C₁₃H₈ClNO
MW: 229.66 g/mol

VQ-040251

Reference Standard

2-Chlorobenzotrichloride chemical structure

2-Chlorobenzotrichloride

CAS: 2136-89-2
Formula: C₇H₄Cl₄
MW: 229.9 g/mol

VQ-025067

Reference Standard

2-Chlorobenzotrifluoride chemical structure

2-Chlorobenzotrifluoride

CAS: 88-16-4
Formula: C₇H₄ClF₃
MW: 180.55 g/mol

VQ-026387

Reference Standard

2-Chloroethyl carbamate chemical structure

2-Chloroethyl carbamate

CAS: 2114-18-3
Formula: C₃H₆ClNO₂
MW: 123.54 g/mol

VQ-048919

Reference Standard

2-Chloroethyl cyclohexyl carbonate chemical structure

2-Chloroethyl cyclohexyl carbonate

CAS: 142269-40-7
Formula: C₉H₁₅ClO₃
MW: 206.66 g/mol

VQ-029607

Reference Standard

2-Chloroinosine chemical structure

2-Chloroinosine

CAS: 13276-43-2
Formula: C₁₀H₁₁ClN₄O₅
MW: 302.67 g/mol

VQ-039180

Reference Standard

2-Chloromethyl-3,5-dimethylpyridin-4-ol chemical structure

2-Chloromethyl-3,5-dimethylpyridin-4-ol

CAS: 220771-03-9
Formula: C₈H₁₀ClNO
MW: 171.62 g/mol

VQ-032736

Reference Standard

2-Chloromethyl-4-methoxy-3-methylpyridine hydrochloride chemical structure

2-Chloromethyl-4-methoxy-3-methylpyridine hydrochloride

CAS: 86604-74-2
Formula: C₈H₁₁Cl₂NO
MW: 208.08 g/mol

VQ-048640

Reference Standard

2-Chloromethyl-4-methoxy-3,5-dimethylpyridine 1-Oxide chemical structure

2-Chloromethyl-4-methoxy-3,5-dimethylpyridine 1-Oxide

CAS: 848694-10-0
Formula: C₉H₁₂ClNO₂
MW: 201.65 g/mol

VQ-030562

Reference Standard

2-Chloromethylthiophene chemical structure

2-Chloromethylthiophene

CAS: 765-50-4
Formula: C₅H₅ClS
MW: 132.61 g/mol

VQ-042785

Reference Standard

2-Chloronaphthalene chemical structure

2-Chloronaphthalene

CAS: 91-58-7
Formula: C₁₀H₇Cl
MW: 162.61 g/mol

VQ-039992

Reference Standard

2-Chloropropiophenone chemical structure

2-Chloropropiophenone

CAS: 6084-17-9
Formula: C₉H₉ClO
MW: 168.62 g/mol

VQ-027206

Reference Standard

2-Chlorothiophene chemical structure

2-Chlorothiophene

CAS: 96-43-5
Formula: C₄H₃ClS
MW: 118.59 g/mol

VQ-033600

Reference Standard

2-Chlorothiophene-3-carboxylic Acid chemical structure

2-Chlorothiophene-3-carboxylic Acid

CAS: 53935-71-0
Formula: C₅H₃ClO₂S
MW: 162.59 g/mol

VQ-027850

Reference Standard

2-Cyano-3-morpholinoacrylamide chemical structure

2-Cyano-3-morpholinoacrylamide

CAS: 25229-97-4
Formula: C₈H₁₁N₃O₂
MW: 181.19 g/mol

VQ-043843

Reference Standard

2-Cyano-N-(2,4-dichloro-5-methoxy phenyl)-3-{4-methoxy-3-[3-(4-methyl piperazin-1-yl)-propoxy]- phenylamino} acrylamide chemical structure

2-Cyano-N-(2,4-dichloro-5-methoxy phenyl)-3-{4-methoxy-3-[3-(4-methyl piperazin-1-yl)-propoxy]- phenylamino} acrylamide

CAS: 846023-56-1
Formula: C₂₆H₃₁Cl₂N₅O₄
MW: 548.5 g/mol

VQ-029487

Reference Standard

2-Cyano-N-(2,4-Dichloro-5-Methoxyphenyl)Acetamide chemical structure

2-Cyano-N-(2,4-Dichloro-5-Methoxyphenyl)Acetamide

CAS: 846023-24-3
Formula: C₁₀H₈Cl₂N₂O₂
MW: 259.09 g/mol

VQ-024623

Reference Standard

2-Cyano-N-(2,4-dichlorophenyl)acetamide chemical structure

2-Cyano-N-(2,4-dichlorophenyl)acetamide

CAS: 17722-32-6
Formula: C₉H₆Cl₂N₂O
MW: 229.06 g/mol

VQ-043812

Reference Standard

2-Cyano-N-(3,5-dichloro-4-methoxyphenyl)-acetamide chemical structure

2-Cyano-N-(3,5-dichloro-4-methoxyphenyl)-acetamide

CAS: 1821033-10-6
Formula: C₁₀H₈Cl₂N₂O₂
MW: 259.09 g/mol

VQ-029490

Reference Standard

2-Cyano-N-[2-(trifluoromethyl)phenyl]acetamide chemical structure

2-Cyano-N-[2-(trifluoromethyl)phenyl]acetamide

CAS: 419534-37-5
Formula: C₁₀H₇F₃N₂O
MW: 228.17 g/mol

VQ-043999

Reference Standard

2-Cyano-N-cyclopropyl-N-((2-fluoro-4-iodophenyl)carbamoyl)acetamide chemical structure

2-Cyano-N-cyclopropyl-N-((2-fluoro-4-iodophenyl)carbamoyl)acetamide

CAS: 871700-26-4
Formula: C₁₃H₁₁FIN₃O₂
MW: 387.15 g/mol

VQ-034379

Reference Standard

2-Cyanoethanesulfonic acid chemical structure

2-Cyanoethanesulfonic acid

CAS: 107-67-5
Formula: C₃H₅NO₃S
MW: 135.14 g/mol

VQ-035552

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