Sub Group: Steroids & Hormones - 13C & 2H Alphabetical Listing Catalog Number: 18037 Chemical Purity: 98% plus CAS Number: 1882-82-2 Molecular Weight: 344.44 Synonyms: 21-Desoxycortisone; 17-Hydroxypregn-4-ene-3,11,20-trione;21-deoxycortisonecryst