CAS 63200-68-0 appears in our catalog under these names: 4-Aminobut-2-yn-1-ol 95%, 4-Aminobut-2-yn-1-ol, 95%, 95%, 4-Aminobut-2-yn-1-ol, 99.65%, 4-Aminobut-2-yn-1-ol, 95%. Offered by: Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 50mg, 100mg, 250mg, 1g, 25 mg, 50 mg, 5 mg, 100 mg.