CAS 57672-78-3 appears in our catalog under these names: 1–Dehydroxybaccatin IV, ((1R,2R,3R,4S,7R,9S,10S,11R,12R,15S)-2,4,9,11,12-Pentaacetyloxy-10,14,17,17-tetramethyl-6-oxatetracyclo(11.3.1.03,10.04,7)heptadec-1 3-en-15-yl) acetate, 1-Dehydroxybaccatin IV, 98%, 98%, 1-Dehydroxybaccatin IV, 98.0%. Offered by: GLPBio, Biosynth, Chemat, MedChemExpress. Available pack sizes: 1mg, 25mg, 10mg, 50mg, 1 mg.