L-(+)-Selenomethionine [3211-76-5] is supplied with defined handling requirements for laboratory use. It has a molecular formula of C5H11NO2Se and a molecular weight of 196.12. The compound decomposes at 265 °C. Handling this substance requires caution as it carries a Danger signal word due to its acute oral toxicity. Further details on its safety profile can be found in relevant hazard statements.

• CAS Number: 3211-76-5
• Melting Point: 265 °C — decomposes
• GHS Signal Word: Danger
• Molecular Weight: 196.12
• Exact Mass: 196.99550
• Molecular Formula: C5H11NO2Se
• Hazard Statements:
• H301: Toxic if swallowed [Danger Acute toxicity, oral]