Estrone 17-Ethylene Ketal Price Not Available 1mg Estrone 17-Ethylene Ketal Supplier Page Catalog Number R040217 Molecular Formula C20H26O3 CAS# 900-83-4 Purity ≥98% Inchi InChI=1S/C20H26O3/c1-19-8-6-16-15-5-3-14(21)12-13(15)2-4-17(16)18(19)7-9-20(19)22-10-11-23-20/h3,5,12,16-18,21H,2,4,6-11H2,1H3/t16-,17-,18+,19+/m1/s1 Inchi Key TWYONAIDRKGWBX-YRXWBPOGSA-N SMILES CC12CCC3C(C1CCC24OCCO4)CCC5=C3C=CC(=C5)O Size 1mg Supplier Page https://www.musechem.com/product/R040217.html