CAS 35899-54-8 appears in our catalog under these names: SIBA/ 99.15% (existing batch purity), SIBA 99%, SIBA, 99%, 99%, SIBA, 99.64%, 5'-ISOBUTYLTHIO-5'-DEOXYADENOSINE, 99%. Offered by: TargetMol, Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 200mg, 250mg.