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3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid

Also known as: 3-(4-Chlorophenyl)-5-methyl-4-isoxazolecarboxylic acid, 3-(4-Chloro-phenyl)-5-methyl-isoxazole-4-carboxylic acid, 3-(4-Chlorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid, 4-Isoxazolecarboxylic acid, 3-(4-chlorophenyl)-5-methyl-, Cloxacillin Impurity 10, ASINEX-REAG BAS 10140981, OTAVA-BB 1041406, SALOR-INT L481238-1EA

3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid (CAS 91182-87-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H8ClNO3 and a molecular weight of 237.63900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
91182-87-5
Jingsj CID
J-1094652-8
Molecular Formula
C11H8ClNO3
Molecular Weight
237.63900 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass237.01900
PSA63.33000
LogP3.00160

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid?

The CAS number of 3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid is 91182-87-5.

What are the molecular formula and molecular weight of 3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid?

3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid has molecular formula C11H8ClNO3 and molecular weight 237.63900 g/mol.

What are the upstream and downstream products of 3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid?

For 3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid, Upstream Products: Methyl 3-(4-chlorophenyl)-5-methylisoxazole-4-carboxylate, 3-(4-Chlorophenyl)-5-methyl-4-isoxazolecarboxylic acid ethyl ester, 4-Chlorobenzaldehyde oxime.

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

Last updated:

How to cite: Jingsj. "3-(4-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid (CAS 91182-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1094652-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.