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
6,6-Dimethyl-2-propyl-3-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-3,6-dihydro-4H-furo[3,4-d]imidazol-4-one
- CAS
- 761404-82-4
- Formula
- C43H38N6O2
- MW
- 670.8 g/mol
VQ-038746
6,6'-Bis(2-methyl-2H-tetrazol-5-yl)-3,3'-bipyridine
- CAS
- 2095840-91-6
- Formula
- C14H12N10
- MW
- 320.31 g/mol
VQ-023846
6,7-Bis(2-Methoxyethoxy)-4-methoxyquinazoline
- CAS
- 1312937-41-9
- Formula
- C15H20N2O5
- MW
- 308.33 g/mol
VQ-025587
6,7-Bis(2-Methoxyethoxy)-N-phenylquinazolin-4-amine Hydrochloride
- CAS
- 2055840-53-2
- Formula
- C20H24ClN3O4
- MW
- 405.9 g/mol
VQ-048252
6,7,8,9-Dehydro Paliperidone Dihydrochloride
- CAS
- 170359-61-2
- Formula
- C23H25Cl2FN4O3
- MW
- 495.4 g/mol
VQ-033038
6,8-Dibromo-3-cyclohexyl-2,3-dihydroquinazolin-4(1H)-one
- CAS
- 2512203-87-9
- Formula
- C14H16Br2N2O
- MW
- 388.1 g/mol
VQ-043989
6,8-Dibromo-3-cyclohexyl-3,4-dihydro-2(1H)-quinazolinone
- CAS
- 21237-84-3
- Formula
- C14H16Br2N2O
- MW
- 388.1 g/mol
VQ-024670
Need a price, a spec or a custom compound?
Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.