5-Methyl-4-Isoxazolecarboxylic Acid is distinguished by its stable chemical profile, characterized by a molecular formula of C5H5NO3 and a molecular weight of 127.10. This compound belongs to the class of organic compounds known as isoxazoles, which contain an oxazine ring system with one nitrogen atom and two oxygen atoms. Its exact mass has been determined to be 127.026943022. Due to its structure, it carries a hazard signal word of Danger, indicating potential risks associated with skin irritation and acute toxicity upon ingestion.

• CAS Number: 42831-50-5
• GHS Signal Word: Danger
• Molecular Weight: 127.10
• Exact Mass: 127.026943022
• Molecular Formula: C5H5NO3
• Hazard Statements:
• H315: Causes skin irritation [Warning Skin corrosion/irritation]
• H301: Toxic if swallowed [Danger Acute toxicity, oral]