3-O-Methyl Estrone 17-(Ethanediyl Ketal) Price Not Available 1mg 3-O-Methyl Estrone 17-(Ethanediyl Ketal) Supplier Page Catalog Number R048769 Molecular Formula C21H28O3 CAS# 28336-29-0 Purity ≥98% Inchi InChI=1S/C21H28O3/c1-20-9-7-17-16-6-4-15(22-2)13-14(16)3-5-18(17)19(20)8-10-21(20)23-11-12-24-21/h4,6,13,17-19H,3,5,7-12H2,1-2H3/t17-,18-,19+,20+/m1/s1 Inchi Key ZYEPWFOAZRKWFN-ZRNYENFQSA-N SMILES CC12CCC3C(C1CCC24OCCO4)CCC5=C3C=CC(=C5)OC Size 1mg Supplier Page https://www.musechem.com/product/R048769.html