Impurities & Reference Standards
API Impurities
Source 1942 api impurities for research, QC and production, documented with COA and SDS.
14,098products
1,516in stock
COA + SDSwith every lot
5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one
- CAS
- 149874-91-9
- Formula
- C17H21NO3
- MW
- 287.35 g/mol
VQ-036782
![5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane hydrochloride chemical structure](/media/structures/FFYMHPLMHJQXRY-UHFFFAOYSA-N.svg)
5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane hydrochloride
- CAS
- 1034439-43-4
- Formula
- C17H26ClNO2
- MW
- 311.8 g/mol
VQ-030280
![5,6,11,12-Tetrahydro-5,11-epiminodibenzo[a,e][8]annulene-2,3,8,9-tetraol chemical structure](/media/structures/FXFLVMCXSZBKTH-UHFFFAOYSA-N.svg)
5,6,11,12-Tetrahydro-5,11-epiminodibenzo[a,e][8]annulene-2,3,8,9-tetraol
- CAS
- 90044-46-5
- Formula
- C16H15NO4
- MW
- 285.29 g/mol
VQ-025432
![5,7-Diazaspiro[3.4]octane-6,8-dione chemical structure](/media/structures/ILOQJTLRHGYIOU-UHFFFAOYSA-N.svg)
5,7-Dichloro-1,2,3,4-tetrahydroisoquinoline Hydrochloride
- CAS
- 73075-47-5
- Formula
- C9H10Cl3N
- MW
- 238.5 g/mol
VQ-048889
5,7-Dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxylic Acid Hydrochloride
- CAS
- 1289646-93-0
- Formula
- C10H10Cl3NO2
- MW
- 282.5 g/mol
VQ-031555
5,7-Dichloro-2-trityl-1,2,3,4-tetrahydroisoquinoline
- CAS
- 1289646-72-5
- Formula
- C28H23Cl2N
- MW
- 444.4 g/mol
VQ-038038
5,8,11,14,17,20-Hexaoxatetracosa-2,22-diyne-1,24-diol
- CAS
- 185378-84-1
- Formula
- C18H30O8
- MW
- 374.4 g/mol
VQ-032864
![5'-(5-(3,5-Dichloro-4-fluorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)-3'H-spiro[azetidine-3,1'-isobenzofuran]](/media/pack/5-5-35-dichloro-4-fluorophenyl-5-trifluoromethyl-45-dihydroisoxazol-3-yl-3h.svg?v=3)
5'-(5-(3,5-Dichloro-4-fluorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)-3'H-spiro[azetidine-3,1'-isobenzofuran]
- CAS
- 1398609-72-7
- Formula
- C20H14Cl2F4N2O2
- MW
- 461.24 g/mol
VQ-042102
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