4-Keto 13-cis-Retinoic Acid Methyl Ester Price Not Available 25mg 4-Keto 13-cis-Retinoic Acid Methyl Ester Supplier Page Catalog Number R006224 Molecular Formula C21H28O3 CAS# 71748-57-7 Purity ≥95% Inchi InChI=1S/C21H28O3/c1-15(8-7-9-16(2)14-20(23)24-6)10-11-18-17(3)19(22)12-13-21(18,4)5/h7-11,14H,12-13H2,1-6H3/b9-7+,11-10+,15-8+,16-14- Inchi Key VTSFDGSDUILKPM-ZTXQEUQPSA-N SMILES CC1=C(C(CCC1=O)(C)C)C=CC(=CC=CC(=CC(=O)OC)C)C Size 25mg Supplier Page https://www.musechem.com/product/R006224.html