2-Methyl Ethynyl Estradiol Price Not Available 10mg 2-Methyl Ethynyl Estradiol Supplier Page Catalog Number R054516 Molecular Formula C21H26O2 CAS# 3240-39-9 Purity ≥90% Inchi InChI=1S/C21H26O2/c1-4-21(23)10-8-18-16-6-5-14-12-19(22)13(2)11-17(14)15(16)7-9-20(18,21)3/h1,11-12,15-16,18,22-23H,5-10H2,2-3H3/t15-,16+,18-,20-,21-/m0/s1 Inchi Key QFPDNXSOEMFRPX-OKSLILNBSA-N SMILES CC1=C(C=C2CCC3C(C2=C1)CCC4(C3CCC4(C#C)O)C)O Size 10mg Supplier Page https://www.musechem.com/product/R054516.html