Synonyms: Sulfo-succinimidyl (+)-Biotin Purity Limit: ≥ 99% (NMR) CAS No.: 119616-38-5 Molecular Formula: C14H18N3S2O8Na Molecular Weight: 443.42 MDL No.: MFCD00078535 Appearance: White to off-white solid Storage Temperature: Store at 0-8 °C