D-(+)-BiotinProduct SpecificationAlternative Name: Vitamin H Formula: C10H16N2O3S MW: 244.3 CAS: 58-85-5 MI: 14: 1231 Purity: ≥98% Appearance: White to off-white powder. Solubility: Soluble in hot water, diluted acids and alkaline solutions; hardly soluble in cold water. Long Term Storage: Ambient