CAS 68-26-8 appears in our catalog under these names: All-trans Retinol (Vitamin A), (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraen-1-ol, Retinol, all-trans-Retinol, Retinol/ 99.4% (existing batch purity). Offered by: Chemat Brand, Triz Pharma-Tech, TRC, TargetMol, GLPBio. Available pack sizes: on request, 100mg, 1g, 25mg, 50mg, 500mg, 10mM (in 1ml dmso), 250mg.