3,20-di(1,2-ethanediylacetal)-17α- hydroxy -estra-5(10),9(11)-dien-3,20-dione

This compound (CAS 54201-84-2) is documented in patent literature as an intermediate in the 'Ulipristal Acetate Preparation Method and Intermediate Thereof' family (including EP, AU, CA, CN, IN, JP, MX, RU, US and WO filings), positioning it as a Ulipristal Acetate synthesis intermediate. Produced to Pharmaceutical Grade quality under ChP standards, it is supplied — rather than manufactured — by Shanghai Utopharm Co., Ltd. and sold across North America, Europe, Australasia, Asia, the Middle East and Africa; no samples are provided.