17,17-bis(17-hydroxy-18a-homoestr-4-ene-3-one is a fully characterized chemical compound used as a reference standard of API Norgestrel. The standard offered is compliant with regulatory guidelines. 17,17-bis(17-hydroxy-18a-homoestr-4-ene-3-one is used for analytical method development, method validation (AMV), and Quality Controlled (QC) applications during synthesis and formulation stages of drug development and serves as a reference standard for traceability against pharmacopeial standards (USP or EP). Axios Research products are intended for analytical purposes only and are not for human use. CAS -