4-Methyl Ethynyl Estradiol; (17?)-4-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol; Ethinyl Estradiol Impurity K (EP); Ethinylestradiol EP Impurity K
Ethinylestradiol EP Impurity K is a fully characterized chemical compound used as a reference standard of API Ethinylestradiol. The standard offered is compliant with regulatory guidelines. Ethinylestradiol EP Impurity K 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 - 155683-61-7