5-(tert-Butyl)isoxazole-3-carboxylic acid

5-叔丁基异噁唑-3-甲酸

Also known as: 5-tert-Butyl-3-isoxazolecarboxylic acid, 5-tert-butyl-1,2-oxazole-3-carboxylic acid, 3-Isoxazolecarboxylic acid, 5-(1,1-dimethylethyl)-, 5-(2-Methyl-2-propanyl)-1,2-oxazole-3-carboxylic acid, 5-T-Butyl-Isoxazole-3-Carboxylic Acid

5-(tert-Butyl)isoxazole-3-carboxylic acid (CAS 90607-21-9) 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 169.178 g/mol. It is also known as 5-tert-Butyl-3-isoxazolecarboxylic acid, 5-tert-butyl-1,2-oxazole-3-carboxylic acid and 3-Isoxazolecarboxylic acid, 5-(1,1-dimethylethyl)-. Key properties include a boiling point of 303.5±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 137.3±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

90607-21-9

Jingsj CID

J-1156128-4

Molecular Formula

C₈H₁₁NO₃

Chinese Name

5-叔丁基异噁唑-3-甲酸

Molecular Weight

169.178 g/mol

Category

Organic Acids

Last updated

8/21/2026