CAS 631-87-8 appears in our catalog under these names: all-trans-Retinyl Stearate, (2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraen-1-yl stearate, ≥95%, ≥95%. Offered by: TRC, Chemat. Available pack sizes: 250mg, 50mg, 25mg.