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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

3-[4-(2-Ethoxy-benzo-imidazol-1-ylmethyl)-biphenyl-2-yl]-4H-[1,2,4]oxadiazol-5-one chemical structure

3-[4-(2-Ethoxy-benzo-imidazol-1-ylmethyl)-biphenyl-2-yl]-4H-[1,2,4]oxadiazol-5-one

CAS: 1857365-17-3
Formula: C₂₄H₂₀N₄O₃
MW: 412.4 g/mol

VQ-028931

Reference Standard

3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone chemical structure

3-[4-(4-Chlorobenzoyl)phenoxy]-2-butanone

CAS: 217636-47-0
Formula: C₁₇H₁₅ClO₃
MW: 302.7 g/mol

VQ-025755

Reference Standard

3-[4-(Trifluoromethyl)phenyl]propanal chemical structure

3-[4-(Trifluoromethyl)phenyl]propanal

CAS: 166947-09-7
Formula: C₁₀H₉F₃O
MW: 202.17 g/mol

VQ-029805

Reference Standard

3-[5-(1,5-Dioxo-5-(p-fluophenylpentyl]-4(S)-phenyl-2-oxazolidinone chemical structure

3-[5-(1,5-Dioxo-5-(p-fluophenylpentyl]-4(S)-phenyl-2-oxazolidinone

CAS: 189028-93-1
Formula: C₂₀H₁₈FNO₄
MW: 355.4 g/mol

VQ-025696

Reference Standard

3-[Benzyl(methyl)amino]-1-phenylpropan-1-one chemical structure

3-[Benzyl(methyl)amino]-1-phenylpropan-1-one

CAS: 21970-65-0
Formula: C₁₇H₁₉NO
MW: 253.34 g/mol

VQ-030807

Reference Standard

3-{5-Methyl-2-[4-(2-pyrrolidin-1-yl-ethoxy)-phenylamino]-pyrimidin-4-ylamino}-benzenesulfonamide chemical structure

3-{5-Methyl-2-[4-(2-pyrrolidin-1-yl-ethoxy)-phenylamino]-pyrimidin-4-ylamino}-benzenesulfonamide

CAS: 936091-39-3
Formula: C₂₃H₂₈N₆O₃S
MW: 468.6 g/mol

VQ-044491

Reference Standard

3-Acetamido-5-amino-4-iodobenzoic Acid

3-Acetamido-5-amino-4-iodobenzoic Acid

CAS: 1622427-83-1
Formula: C₉H₉IN₂O₃
MW: 320.09 g/mol

VQ-035400

Reference Standard

3-Acetamidophthalic Acid chemical structure

3-Acetamidophthalic Acid

CAS: 15371-06-9
Formula: C₁₀H₉NO₅
MW: 223.18 g/mol

VQ-020666

Reference Standard

3-Acetyl-1H-pyrazole-5-carboxylic Acid chemical structure

3-Acetyl-1H-pyrazole-5-carboxylic Acid

CAS: 1297537-45-1
Formula: C₆H₆N₂O₃
MW: 154.12 g/mol

VQ-036563

Reference Standard

3-Allyloxy-4-Methoxynitrobenzene chemical structure

3-Allyloxy-4-Methoxynitrobenzene

CAS: 142072-71-7
Formula: C₁₀H₁₁NO₄
MW: 209.2 g/mol

VQ-035168

Reference Standard

3-alpha-Hydroxy Desogestrel chemical structure

3-alpha-Hydroxy Desogestrel

CAS: 70805-84-4
Formula: C₂₂H₃₀O₂
MW: 326.5 g/mol

VQ-035184

Reference Standard

3-Amino Lidocaine chemical structure

3-Amino Lidocaine

CAS: 39942-50-2
Formula: C₁₄H₂₃N₃O
MW: 249.35 g/mol

VQ-038032

Reference Standard

3-Amino Piperidine Impurity chemical structure

3-Amino Piperidine Impurity

CAS: 54012-73-6
Formula: C₅H₁₂N₂
MW: 100.16 g/mol

In stock

Reference Standard

3-Amino-1-((4-amino-N-isobutylphenyl)sulfonamido)-4-phenylbutan-2-yl dihydrogen phosphate

3-Amino-1-((4-amino-N-isobutylphenyl)sulfonamido)-4-phenylbutan-2-yl dihydrogen phosphate

CAS: 2078048-42-5
Formula: C₂₀H₃₀N₃O₆PS
MW: 471.51 g/mol

VQ-044434

Reference Standard

3-Amino-1-N-Boc-piperidine chemical structure

3-Amino-1-N-Boc-piperidine

CAS: 184637-48-7
Formula: C₁₀H₂₀N₂O₂
MW: 200.28 g/mol

VQ-039334

Reference Standard

3-Amino-1-Phenylbutane chemical structure

3-Amino-1-Phenylbutane

CAS: 22374-89-6
Formula: C₁₀H₁₅N
MW: 149.23 g/mol

VQ-027078

Reference Standard

3-Amino-2-chloro acrolein chemical structure

3-Amino-2-chloro acrolein

CAS: 221615-73-2
Formula: C₃H₄ClNO
MW: 105.52 g/mol

VQ-025676

Reference Standard

3-Amino-2-methyl-N,N-dipropylbenzeneethanamine chemical structure

3-Amino-2-methyl-N,N-dipropylbenzeneethanamine

CAS: 111725-11-2
Formula: C₁₅H₂₆N₂
MW: 234.38 g/mol

VQ-027894

Reference Standard

3-Amino-2-methylbenzoic acid chemical structure

3-Amino-2-methylbenzoic acid

CAS: 52130-17-3
Formula: C₈H₉NO₂
MW: 151.16 g/mol

VQ-039445

Reference Standard

3-Amino-2,3,4,9-tetrahydro-1H-carbazole-6-carboxamide chemical structure

3-Amino-2,3,4,9-tetrahydro-1H-carbazole-6-carboxamide

CAS: 147009-17-4
Formula: C₁₃H₁₅N₃O
MW: 229.28 g/mol

VQ-032789

Reference Standard

3-Amino-3-(4-chloro-phenyl)-propan-1-ol chemical structure

3-Amino-3-(4-chloro-phenyl)-propan-1-ol

CAS: 68208-26-4
Formula: C₉H₁₂ClNO
MW: 185.65 g/mol

VQ-036130

Reference Standard

3-Amino-3-azabicyclo[3.3.0]octane hydrochloride chemical structure

3-Amino-3-azabicyclo[3.3.0]octane hydrochloride

CAS: 58108-05-7
Formula: C₇H₁₅ClN₂
MW: 162.66 g/mol

VQ-031002

Reference Standard

3-Amino-3-imino-2-(2-phenyldiazenyl)propanamide Hydrochloride chemical structure

3-Amino-3-imino-2-(2-phenyldiazenyl)propanamide Hydrochloride

CAS: 6285-64-9
Formula: C₉H₁₂ClN₅O
MW: 241.68 g/mol

VQ-043532

Reference Standard

3-Amino-3-iminopropanoic acid 1-(diphenylmethyl)-3-azetidinyl ester acetate chemical structure

3-Amino-3-iminopropanoic acid 1-(diphenylmethyl)-3-azetidinyl ester acetate

CAS: 170749-59-4
Formula: C₂₁H₂₅N₃O₄
MW: 383.4 g/mol

VQ-035891

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