CAS 2169266-67-3 appears in our catalog under these names: Thalidomide-O-C4-COOH, Thalidomide 4'–ether–alkylC4–acid, 5-((2-(2,6-Dioxopiperidin-3-yl)-1,3-dioxoisoindolin-4-yl)oxy)pentanoic acid, 98%, 98%, Thalidomide-O-C4-COOH, 97.0%, Thalidomide-O-C4-COOH, 97%. Offered by: TargetMol, GLPBio, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 25mg, 1g, 10mg, 50mg, 100mg, 500 mg, 1 g, 50 mg.