Synonyms19-Nor-17α-pregna-4,20-dien-17-ol; Vinylestrenol Close 19-Nor-17α-pregna-4,20-dien-17-ol; Vinylestrenol Related products Lynestrenol M.F. M.W. 284.44 CAT# AR-L02162 CAS# 52-76-6 Lynestrenol EP Impurity A M.F. M.W. 284.44 CAT# AR-L02163 CAS# NA Lynestrenol EP Impurity B M.F. M.W. 284.44 CAT# AR-L02164 CAS# NA Lynestrenol EP Impurity C M.F. M.W. 286.46 CAT# AR-L06028 CAS# 5225-38-7 Lynestrenol EP Impurity C M.F. M.W. 286.46 CAT# AR-L02165 CAS# NA