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5-Isopropyl-3-methylisoxazole-4-carboxylic acid

5-异丙基-3-甲基异噁唑-4-羧酸

Also known as: 3-methyl-5-propan-2-yl-1,2-oxazole-4-carboxylic acid, 3-methyl-5-isopropyl-4-isoxazolecarboxylic acid, 4-Isoxazolecarboxylic acid, 3-methyl-5-(1-methylethyl)-

5-Isopropyl-3-methylisoxazole-4-carboxylic acid (CAS 90087-36-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11NO3 and a molecular weight of 169.17800 g/mol. It is also known as 3-methyl-5-propan-2-yl-1,2-oxazole-4-carboxylic acid, 3-methyl-5-isopropyl-4-isoxazolecarboxylic acid and 4-Isoxazolecarboxylic acid, 3-methyl-5-(1-methylethyl)-. Key properties include a boiling point of 295.5ºC at 760mmHg, a density of 1.172g/cm3 and a flash point of 132.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90087-36-8
Jingsj CID
J-1312231-3
Molecular Formula
C8H11NO3
Chinese Name
5-异丙基-3-甲基异噁唑-4-羧酸
Molecular Weight
169.17800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point295.5ºC at 760mmHg
Density1.172g/cm3
Flash Point132.5ºC

Frequently Asked Questions

What is the CAS number of 5-Isopropyl-3-methylisoxazole-4-carboxylic acid?

The CAS number of 5-Isopropyl-3-methylisoxazole-4-carboxylic acid is 90087-36-8.

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

5-Isopropyl-3-methylisoxazole-4-carboxylic acid has molecular formula C8H11NO3 and molecular weight 169.17800 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Isopropyl-3-methylisoxazole-4-carboxylic acid (CAS 90087-36-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1312231-3 (accessed 2026-10-25).

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