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Impurities & Reference Standards

API Impurities

Source 1942 api impurities for research, QC and production, documented with COA and SDS.

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Reference Standard
S- Atenolol chemical structure
S- Atenolol
CAS
93379-54-5
Formula
C14H22N2O3
MW
266.34 g/mol
VQ-021649
Reference Standard
S-(-)-Warfarin chemical structure
S-(-)-Warfarin
CAS
5543-57-7
Formula
C19H16O4
MW
308.3 g/mol
VQ-024037

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