18-Methyl Ethynyl Estradiol Price Not Available 25mg 18-Methyl Ethynyl Estradiol Supplier Page Catalog Number R052056 Molecular Formula C21H26O2 CAS# 14012-72-7 Purity ≥95% Inchi InChI=1S/C21H26O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,6,8,13,17-19,22-23H,3,5,7,9-12H2,1H3/t17-,18-,19+,20+,21+/m1/s1 Inchi Key VDKWHNVDYOVIIX-MJCUULBUSA-N SMILES CCC12CCC3C(C1CCC2(C#C)O)CCC4=C3C=CC(=C4)O Size 25mg Supplier Page https://www.musechem.com/product/R052056.html