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
(S)-(1-(3-(Dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-yl)(4-fluorophenyl)methanone
- CAS
- 1217846-84-8
- Formula
- C26H25F2NO2
- MW
- 421.5 g/mol
VQ-043943
(S)-(2-Amino-5-(tert-butoxy)-5-oxopentanoyl)glycine
- CAS
- 23406-82-8
- Formula
- C11H20N2O5
- MW
- 260.29 g/mol
VQ-028001
(S)-(2-Chlorophenyl)(4-((tetrahydrofuran-3-yl)oxy)phenyl)methanone
- CAS
- 2452301-22-1
- Formula
- C17H15ClO3
- MW
- 302.7 g/mol
VQ-028893
(S)-(3-(3-Fluoro-4-morpholinophenyl)-2-oxooxazolidin-5-yl)methyl methanesulfonate
- CAS
- 2180621-71-8
- Formula
- C15H19FN2O6S
- MW
- 374.4 g/mol
VQ-038068
![(S)-(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methanamine chemical structure](/media/structures/JDZSBHBIJDIACW-MRVPVSSYSA-N.svg)
(S)-(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methanamine
- CAS
- 869856-07-5
- Formula
- C11H15NO2
- MW
- 193.24 g/mol
VQ-043200
(S)-(4-(5-(3-Cyano-4-isopropoxyphenyl)-1,2,4-oxadiazol-3-yl)-2,3-dihydro-1H-inden-1-yl)glycine
- CAS
- 2990018-57-8
- Formula
- C23H22N4O4
- MW
- 418.4 g/mol
VQ-041287
(S)-1-((2-Isopropylthiazol-4-yl)methyl)-1-methyl-3-(2-oxotetrahydrofuran-3-yl)urea
- CAS
- 1004316-93-1
- Formula
- C13H19N3O3S
- MW
- 297.38 g/mol
VQ-029919
![(S)-1-([1,1′-Biphenyl]-4-yl)-3-chloropropan-2-ol chemical structure](/media/structures/SFHXNWGGDWFBBR-HNNXBMFYSA-N.svg)
(S)-1-([1,1′-Biphenyl]-4-yl)-3-chloropropan-2-ol
- CAS
- 1573000-28-8
- Formula
- C15H15ClO
- MW
- 246.73 g/mol
VQ-023708
(S)-1-(2-Aminoacetyl)-pyrrolidine-2-carbonitrile
- CAS
- 914070-99-8
- Formula
- C7H11N3O
- MW
- 153.18 g/mol
VQ-034613
(S)-1-(2-Chlorophenyl)-2-(1H-tetrazol-1-yl)ethyl carbamate
- CAS
- 913089-09-5
- Formula
- C10H10ClN5O2
- MW
- 267.67 g/mol
VQ-036222
(S)-1-(2-Chlorophenyl)-2-(2H-tetrazol-2-yl)ethan-1-ol
- CAS
- 2857969-41-4
- Formula
- C9H9ClN4O
- MW
- 224.65 g/mol
VQ-036221
(S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethylamine N-acetyl-l- leucine salt
- CAS
- 608141-43-1
- Formula
- C20H34N2O7S
- MW
- 446.6 g/mol
VQ-024331
![(S)-1-(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)-N-methylmethanamine chemical structure](/media/structures/SAVVFXUMMFHSJC-SECBINFHSA-N.svg)
(S)-1-(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)-N-methylmethanamine
- CAS
- 866783-12-2
- Formula
- C12H17NO2
- MW
- 207.27 g/mol
VQ-026267
(S)-1-(3,6-Dibromopyridin-2-yl)-2-(3,5-difluorophenyl)ethan-1-amine
- CAS
- 1626481-45-5
- Formula
- C13H10Br2F2N2
- MW
- 392.04 g/mol
VQ-037930
(S)-1-(3,6-Dibromopyridin-2-yl)-2-(3,5-difluorophenyl)ethanamine Hydrochloride
- CAS
- 1626335-72-5
- Formula
- C13H11Br2ClF2N2
- MW
- 428.5 g/mol
VQ-037932
(S)-1-(4-Methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinoline
- CAS
- 30356-07-1
- Formula
- C17H23NO
- MW
- 257.37 g/mol
VQ-036659
(S)-1-(4,4-Bis(3-methylthiophen-2-yl)but-3-en-1-yl)piperidine-3-carboxylic acid hydrochloride
- CAS
- 145264-34-2
- Formula
- C20H26ClNO2S2
- MW
- 412 g/mol
VQ-044023
(S)-1-(Cyanomethyl)-5-(2,2-dimethyltetrahydro-2H-pyran-4-yl)-N-methyl-N-phenyl-1H-indole-2-carboxamide
- CAS
- 2212021-80-0
- Formula
- C25H27N3O2
- MW
- 401.5 g/mol
VQ-038781
(S)-1-(tert-Butoxycarbonyl)-2-cyanopyrrolidine
- CAS
- 228244-04-0
- Formula
- C10H16N2O2
- MW
- 196.25 g/mol
VQ-039217
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