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
![1,4,7-Trimethyl-6a,7,8,9-tetrahydro-6H-pyrrolo[3,2,1-ij]quinolin-2(31H)-one](/media/pack/147-trimethyl-6a789-tetrahydro-6h-pyrrolo321-ijquinolin-231h-one.svg?v=3)
1,4,7-Trimethyl-6a,7,8,9-tetrahydro-6H-pyrrolo[3,2,1-ij]quinolin-2(31H)-one
- CAS
- 2418566-38-6
- Formula
- C14H19NO
- MW
- 217.3 g/mol
VQ-044398
1,4,7,10-Tetraazacyclododecane-1,7-diacetic Acid
- CAS
- 112193-75-6
- Formula
- C12H24N4O4
- MW
- 288.34 g/mol
VQ-030935
1,4,8-Tritosyl-1,4,8,11-tetraazacyclotetradecane
- CAS
- 104395-69-9
- Formula
- C31H42N4O6S3
- MW
- 662.9 g/mol
VQ-041541
![1,5-Diethyl N-[2-(methylamino)benzoyl]-L-glutamate chemical structure](/media/structures/OBOHIWSCSNHNCI-AWEZNQCLSA-N.svg)
1,5-Diethyl N-[2-(methylamino)benzoyl]-L-glutamate
- CAS
- 1029980-84-4
- Formula
- C17H24N2O5
- MW
- 336.4 g/mol
VQ-035406
![1,5-Diethyl N-[3-(methylamino)benzoyl]-L-glutamate chemical structure](/media/structures/CSYABNNOSSRTQX-AWEZNQCLSA-N.svg)
1,5-Diethyl N-[3-(methylamino)benzoyl]-L-glutamate
- CAS
- 2820151-35-5
- Formula
- C17H24N2O5
- MW
- 336.4 g/mol
VQ-044722
![1,7'-Dimethyl-2'-propyl-1H,3'H-[2,5'-bibenzo[d]imidazol]-3'-ol chemical structure](/media/structures/UAGMAEHNCFRLLO-UHFFFAOYSA-N.svg)
1,7'-Dimethyl-2'-propyl-1H,3'H-[2,5'-bibenzo[d]imidazol]-3'-ol
- CAS
- 884330-10-3
- Formula
- C19H20N4O
- MW
- 320.4 g/mol
VQ-028234
1,8,15,22-Tetraazacyclooctacosane-2,7,16,21-tetrone
- CAS
- 4238-35-1
- Formula
- C24H44N4O4
- MW
- 452.6 g/mol
VQ-040325
![1',5'-Diphenyl-[2,3'-bipyridin]-6'(1'H)-one chemical structure](/media/structures/OBRUTSCSGNDVDC-UHFFFAOYSA-N.svg)
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