CAS 90435-23-7 appears in our catalog under these names: tert-Butyl 3-hydroxybutanoate, tert-Butyl 3-hydroxybutanoate 98%, tert-Butyl 3-hydroxybutanoate, 98%, 98%, tert-Butyl 3-hydroxybutanoate, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 2,5g, 250mg, 100mg, 1g, 5g, 10g.