4-Chloro-3-methyl-5-isoxazolecarboxylic acid

4-氯-3-甲基-5-异噁唑羧酸

Also known as: 5-Isoxazolecarboxylicacid,4-chloro-3-methyl-(9CI), 4-Chloro-3-methylisoxazole-5-carboxylic acid, 4-CHLORO-3-METHYL-5-ISOXAZOLECARBOXYLIC ACID, 4-Chlor-3-methyl-isoxazol-5-carbonsaeure, 4-Chloro-3-methyl-1,2-oxazole-5-carboxylic acid, 4-chloro-3-methyl-isoxazole-5-carboxylic acid, 3-Methyl-4-chloro-5-isoxazolecarboxylic acid

4-Chloro-3-methyl-5-isoxazolecarboxylic acid (CAS 103912-63-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H4ClNO3 and a molecular weight of 161.54300 g/mol. It is also known as 5-Isoxazolecarboxylicacid,4-chloro-3-methyl-(9CI), 4-Chloro-3-methylisoxazole-5-carboxylic acid and 4-CHLORO-3-METHYL-5-ISOXAZOLECARBOXYLIC ACID. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 103912-63-6
Jingsj CID: J-1501569-7
Molecular Formula: C₅H₄ClNO₃
Chinese Name: 4-氯-3-甲基-5-异噁唑羧酸
Molecular Weight: 161.54300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-Chloro-3-methyl-5-isoxazolecarboxylic acid?

The CAS number of 4-Chloro-3-methyl-5-isoxazolecarboxylic acid is 103912-63-6.

What are the molecular formula and molecular weight of 4-Chloro-3-methyl-5-isoxazolecarboxylic acid?

4-Chloro-3-methyl-5-isoxazolecarboxylic acid has molecular formula C5H4ClNO3 and molecular weight 161.54300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Chloro-3-methyl-5-isoxazolecarboxylic acid (CAS 103912-63-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501569-7 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.