CAS 1426953-21-0 appears in our catalog under these names: Thailanstatin A, Thailanstatin A/ 99.35% (existing batch purity), Thailanstatin A, 2-((3R,5S,7R,8R)-7-((1E,3E)-5-((2S,3S,5R,6R)-5-((S,Z)-4-Acetoxypent-2-enamido)-3,6-dimethyltetrahydro-2H-pyran-2-yl)-3-methylpenta-1,3-dien-1-yl)-8-hydroxy-1,6-dioxaspiro[2.5]octan-5-yl)acetic acid, Thailanstatin A, 99.71%. Offered by: GLPBio, TargetMol, Biosynth, Chemat, MedChemExpress. Available pack sizes: 1mg, 10mg, 5mg, 2mg, 25mg, 50mg, 1 mg, 10 mg.