CAS 30965-26-5 appears in our catalog under these names: POLY(1，4–BUTYLENE TEREPHTHALATE), Polybutene terephthalate, POLY(1,4-BUTYLENE TEREPHTHALATE), 4-((4-Hydroxybutoxy)carbonyl)-2,3-dimethylbenzoic acid. Offered by: GLPBio, Biosynth, Sigma-Aldrich, Chemat. Available pack sizes: 5g, 10g, 25g, 250G, 1kg.