CAS: 533-67-5 EC No: 208-573-0 MDL No: MFCD00135904 RTECS: SB7230000 Powder Molecular Formula: C₅H₁₀O₄ MW: 134.13 Melting Point: 89-90° Optical Rotation: [α]22/D -59°, c = 1 in water