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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-Amino-β-methyl-9H-purine-9-butanol 9-Acetate chemical structure

2-Amino-β-methyl-9H-purine-9-butanol 9-Acetate

CAS: 174155-70-5
Formula: C₁₂H₁₇N₅O₂
MW: 263.3 g/mol

VQ-030664

Reference Standard

2-Aminoadamantane chemical structure

2-Aminoadamantane

CAS: 13074-39-0
Formula: C₁₀H₁₇N
MW: 151.25 g/mol

VQ-045270

Reference Standard

2-Aminoadenosine chemical structure

2-Aminoadenosine

CAS: 2096-10-8
Formula: C₁₀H₁₄N₆O₄
MW: 282.26 g/mol

VQ-028869

Reference Standard

2-Aminobenzenesulfonic acid chemical structure

2-Aminobenzenesulfonic acid

CAS: 88-21-1
Formula: C₆H₇NO₃S
MW: 173.19 g/mol

VQ-031794

Reference Standard

2-Aminobenzotrifluoride chemical structure

2-Aminobenzotrifluoride

CAS: 88-17-5
Formula: C₇H₆F₃N
MW: 161.12 g/mol

VQ-026388

Reference Standard

2-Aminobiphenyl chemical structure

2-Aminobiphenyl

CAS: 90-41-5
Formula: C₁₂H₁₁N
MW: 169.22 g/mol

VQ-033516

Reference Standard

2-Aminobutanamide hydrochloride chemical structure

2-Aminobutanamide hydrochloride

CAS: 89603-48-5
Formula: C₄H₁₁ClN₂O
MW: 138.59 g/mol

VQ-037974

Reference Standard

2-Aminodiphenyl Sulfide Hydrochloride chemical structure

2-Aminodiphenyl Sulfide Hydrochloride

CAS: 6764-13-2
Formula: C₁₂H₁₂ClNS
MW: 237.75 g/mol

VQ-027692

Reference Standard

2-Aminoethyl 4-methylbenzene-1-sulfonate chemical structure

2-Aminoethyl 4-methylbenzene-1-sulfonate

CAS: 78894-78-7
Formula: C₉H₁₃NO₃S
MW: 215.27 g/mol

VQ-042904

Reference Standard

2-Aminoethyl 4-methylbenzenesulfonate 4-methylbenzenesulfonate

2-Aminoethyl 4-methylbenzenesulfonate 4-methylbenzenesulfonate

CAS: 78894-79-8
Formula: C₁₆H₂₁N₆S₂
MW: 387.47 g/mol

VQ-042905

Reference Standard

2-Aminoindan hydrochloride chemical structure

2-Aminoindan hydrochloride

CAS: 2338-18-3
Formula: C₉H₁₂ClN
MW: 169.65 g/mol

VQ-031194

Reference Standard

2-Aminomethyl-4-aminophenol chemical structure

2-Aminomethyl-4-aminophenol

CAS: 79352-72-0
Formula: C₇H₁₀N₂O
MW: 138.17 g/mol

VQ-035144

Reference Standard

2-Aminomethyl-7-chloro-2,3-dihydro-5-(2-fluorophenyl)-1H-1,4-benzodiazepine dimaleate chemical structure

2-Aminomethyl-7-chloro-2,3-dihydro-5-(2-fluorophenyl)-1H-1,4-benzodiazepine dimaleate

CAS: 59469-29-3
Formula: C₂₄H₂₃ClFN₃O₈
MW: 535.9 g/mol

VQ-044839

Reference Standard

2-Aminophenylacetic acid chemical structure

2-Aminophenylacetic acid

CAS: 3342-78-7
Formula: C₈H₉NO₂
MW: 151.16 g/mol

VQ-036677

Reference Standard

2-Aminophthalazin-1(2H)-one chemical structure

2-Aminophthalazin-1(2H)-one

CAS: 2832741-84-9
Formula: C₈H₇N₃O
MW: 161.16 g/mol

VQ-032855

Reference Standard

2-Aminothiazol-4-yl Acetic Acid Hydrochloride chemical structure

2-Aminothiazol-4-yl Acetic Acid Hydrochloride

CAS: 66659-20-9
Formula: C₅H₇ClN₂O₂S
MW: 194.64 g/mol

VQ-031935

Reference Standard

2-Azaspiro[4.5]decane-1,3-dione chemical structure

2-Azaspiro[4.5]decane-1,3-dione

CAS: 1197-80-4
Formula: C₉H₁₃NO₂
MW: 167.2 g/mol

VQ-025948

Reference Standard

2-Azido Benzoic Acid chemical structure

2-Azido Benzoic Acid

CAS: 31162-13-7
Formula: C₇H₅N₃O₂
MW: 163.13 g/mol

VQ-044256

Reference Standard

2-Benzotriazolyl-4-tert-octylphenol chemical structure

2-Benzotriazolyl-4-tert-octylphenol

CAS: 3147-75-9
Formula: C₂₀H₂₅N₃O
MW: 323.4 g/mol

VQ-021847

Reference Standard

2-Benzyl-2-(2-(dimethylamino)ethyl)malonic Acid chemical structure

2-Benzyl-2-(2-(dimethylamino)ethyl)malonic Acid

CAS: 92501-97-8
Formula: C₁₄H₁₉NO₄
MW: 265.3 g/mol

VQ-036721

Reference Standard

2-Benzyl-4-(2-oxopropyl)-1H-1,2,3-triazol-5(2H)-one chemical structure

2-Benzyl-4-(2-oxopropyl)-1H-1,2,3-triazol-5(2H)-one

CAS: 491594-42-4
Formula: C₁₂H₁₃N₃O₂
MW: 231.25 g/mol

VQ-031254

Reference Standard

2-Benzyloxy-1,3-propanediol chemical structure

2-Benzyloxy-1,3-propanediol

CAS: 14690-00-7
Formula: C₁₀H₁₄O₃
MW: 182.22 g/mol

VQ-041452

Reference Standard

2-Biphenylylisocyanate chemical structure

2-Biphenylylisocyanate

CAS: 17337-13-2
Formula: C₁₃H₉NO
MW: 195.22 g/mol

VQ-041112

Reference Standard

2-Bromo Adamantane chemical structure

2-Bromo Adamantane

CAS: 7314-85-4
Formula: C₁₀H₁₅Br
MW: 215.13 g/mol

VQ-029029

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