Estrone-d4 Price Not Available 5mg Estrone-d4 Supplier Page Catalog Number R013232 Molecular Formula C18H22O2 CAS# 53866-34-5 Purity ≥98% Inchi InChI=1S/C18H22O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-16,19H,2,4,6-9H2,1H3/t14-,15-,16+,18+/m1/s1/i3D,7D2,10D Inchi Key DNXHEGUUPJUMQT-QSPUTOQOSA-N SMILES CC12CCC3C(C1CCC2=O)CCC4=C3C=CC(=C4)O Size 5mg Supplier Page https://www.musechem.com/product/R013232.html