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
N-Sulphamyl-3-Chloro Propionamidine Hydrochloride
- CAS
- 106649-95-0
- Formula
- C3H9Cl2N3O2S
- MW
- 222.09 g/mol
VQ-030672
N-Trifluoroacetyl Lisinopril ethyl ester Intermediate
- CAS
- 488760-33-4
- Formula
- C18H23F3N2O5
- MW
- 404.38 g/mol
VQ-038088
N-Triphenylmethyl-5-[4`-methylbiphenyl-2-yl]tetrazole
- CAS
- 133909-97-4
- Formula
- C33H26N4
- MW
- 478.6 g/mol
VQ-036112
N-Trityl Candesartan Methyl Ester Methoxy Analogue
- CAS
- 1797136-91-4
- Formula
- C43H34N6O3
- MW
- 682.8 g/mol
VQ-043090
N,2,3-Trimethyl-N-(2-((4-methyl-3-sulfamoylphenyl)amino)pyrimidin-4-yl)-2H-indazol-6-amine Oxide
- CAS
- 1821666-73-2
- Formula
- C21H23N7O3S
- MW
- 453.5 g/mol
VQ-043605
N,N Bis(3-fluoro-4-(4-morpholinyl phenyl)urea
- CAS
- 2819018-79-4
- Formula
- C21H24F2N4O3
- MW
- 418.4 g/mol
VQ-048901
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.