Catalog division
Impurity Reference Standards
Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.
3(6R,7R)-Hydroxy-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Diphenylmethyl Ester
- CAS
- 54639-48-4
- Formula
- C28H24N2O5S
- MW
- 500.6 g/mol
ZX-027802
3Alpha,12Alpha-Dihydroxy-5Beta-chol-9(11)-enic Acid
- CAS
- 24637-46-5
- Formula
- C24H38O4
- MW
- 390.6 g/mol
ZX-027485
3alpha,7beta-Dihydroxy-12-oxo-5beta-cholan-24-oic Acid
- CAS
- 81873-91-8
- Formula
- C24H38O5
- MW
- 406.6 g/mol
ZX-027483
3b,5b-Dihydroxy Drospirenone Ring-opened Alcohol Impurity
- CAS
- 82543-18-8
- Formula
- C24H38O4
- MW
- 390.6 g/mol
ZX-024389
3H,6H-2a,5,6,8a-Tetraazaacenaphthylene, octahydro-5a,8b-dimethyl-, cis
- CAS
- 214195-92-3
- Formula
- C10H20N4
- MW
- 196.29 g/mol
ZX-029680
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