CAS: 34592-47-7 EC No: 207-146-6 MDL No: MFCD00005212 RTECS: XJ5425500 Crystalline Molecular Formula: C₄H₇NO₂S MW: 133.17 Melting Point: 190-200° (decomposes) Optical Rotation: [α]20/D -141°, c = 1.3 in water