9-cis-4-Ketoretinol Price Not Available 5mg 9-cis-4-Ketoretinol Supplier Page Catalog Number R006990 Molecular Formula C20H28O2 CAS# 1076198-35-0 Purity ≥98% Inchi InChI=1S/C20H28O2/c1-15(7-6-8-16(2)12-14-21)9-10-18-17(3)19(22)11-13-20(18,4)5/h6-10,12,21H,11,13-14H2,1-5H3/b8-6+,10-9+,15-7-,16-12+ Inchi Key PLIUCYCUYQIBDZ-NXTBRRCASA-N SMILES CC1=C(C(CCC1=O)(C)C)C=CC(=CC=CC(=CCO)C)C Size 5mg Supplier Page https://www.musechem.com/product/R006990.html