Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
A metabolite of Norgestimate. Note- The oxime isomerizes when: 1) Heated in any solvent or heating the crystalline form 2) Dissolved in MeOH at room temperature very quickly 3) Dissolved in acetone or CHCl3 at room temperature in a couple of hours at room temperature 4) In EtOAc or EtOAc/isooctane over a couple of days at RT. It is stable in the crystalline form.
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