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
Methyl ((S)-2-amino-4-phenylbutanoyl)-L-leucyl-L-phenylalaninate
- CAS
- 868539-98-4
- Formula
- C26H35N3O4
- MW
- 453.6 g/mol
VQ-044353
![Methyl (1R,2R,5S)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate chemical structure](/media/structures/KCIDWDVSBWPHLH-LYFYHCNISA-N.svg)
Methyl (1R,2R,5S)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate
- CAS
- 1932411-98-7
- Formula
- C9H15NO2
- MW
- 169.22 g/mol
VQ-032181
![Methyl (1S,2R,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate chemical structure](/media/structures/KCIDWDVSBWPHLH-FSDSQADBSA-N.svg)
Methyl (1S,2R,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate
- CAS
- 943516-62-9
- Formula
- C9H15NO2
- MW
- 169.22 g/mol
VQ-032178
![Methyl (1S,2S,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate chemical structure](/media/structures/KCIDWDVSBWPHLH-QYNIQEEDSA-N.svg)
Methyl (1S,2S,5R)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate
- CAS
- 1932478-97-1
- Formula
- C9H15NO2
- MW
- 169.22 g/mol
VQ-044249
Methyl (4-chloro-3-trifluoromethylphenyl)carbamate
- CAS
- 19448-54-5
- Formula
- C9H7ClF3NO2
- MW
- 253.6 g/mol
VQ-033926
Methyl (4-cyano-3-(trifluoromethyl)phenyl)carbamate
- CAS
- 1487515-37-6
- Formula
- C10H7F3N2O2
- MW
- 244.17 g/mol
VQ-037014
![Methyl (4,6-diamino-2-(1-benzyl-5-fluoro-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)carbamate](/media/pack/methyl-46-diamino-2-1-benzyl-5-fluoro-1h-pyrazolo34-bpyridin-3-ylpyrimidin-5-ylcarbamate.svg?v=3)
Methyl (4,6-diamino-2-(1-benzyl-5-fluoro-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)carbamate
- CAS
- 3052969-91-9
- Formula
- C19H17FN8O2
- MW
- 408.39 g/mol
VQ-041922
Methyl (E)-3-(2-(dimethylamino)vinyl)-2-nitrobenzoate
- CAS
- 68109-89-7
- Formula
- C12H14N2O4
- MW
- 250.25 g/mol
VQ-032174
Methyl (S)-2-amino-3-((S)-2-oxopyrrolidin-3-yl)propanoate
- CAS
- 1027601-37-1
- Formula
- C8H14N2O3
- MW
- 186.21 g/mol
VQ-044315
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