S)-Carboxymethyl-L-Cysteine [638-23-3] is widely used in synthesis and formulation workflows as a building block. Its molecular formula is C5H9NO4S, with a molecular weight of 179.20. This compound has a Melting Point range of 204 - 207 °C. A Warning signal word indicates potential hazards associated with this substance, particularly when ingested, as it may be harmful if swallowed.

• CAS Number: 638-23-3
• Molecular Weight: 179.20
• GHS Signal Word: Warning
• Melting Point: 204 - 207 °C
• Exact Mass: 179.02522894
• Molecular Formula: C5H9NO4S
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]