... , Origin:Hubei, China Production Capacity:6000kg/Month Product Description ESTRA-4,9-DIENE-3,17-DIONE 98% CAS No: 5173-46 ... hormone pharmaceutical intermediates Quick Detail: Key words: Estra-4,9-diene-3,17-dione, 19-norandrosta-4,9-diene-3,17-dione; 19 ... after payment, usually just take 3-5 days receive it, 4.Competitive PRICE QUALITY our price is still Competitive under GMP ...