5-Isopropylisoxazole-4-carboxylic acid
5-异丙基异恶唑-4-甲酸
Also known as: 4-Isoxazolecarboxylic acid, 5-(1-methylethyl)-, 4-Isoxazolecarboxylicacid,5-(1-methylethyl)-(9CI), 5-(Propan-2-yl)-1,2-oxazole-4-carboxylic acid, 5-ISOPROPYL-ISOXAZOLE-4-CARBOXYLIC ACID, 5-Isopropyl-4-isoxazolecarboxylic acid, 5-propan-2-yl-1,2-oxazole-4-carboxylic acid
5-Isopropylisoxazole-4-carboxylic acid (CAS 134541-05-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9NO3 and a molecular weight of 155.15100 g/mol. It is also known as 4-Isoxazolecarboxylic acid, 5-(1-methylethyl)-, 4-Isoxazolecarboxylicacid,5-(1-methylethyl)-(9CI) and 5-(Propan-2-yl)-1,2-oxazole-4-carboxylic acid. Key properties include a melting point of 78-82ºC(lit.), a boiling point of 291.958ºC at 760 mmHg, a density of 1.212g/cm3 and a flash point of 130.372ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 134541-05-2
- Jingsj CID
- J-1173822-4
- Molecular Formula
- C7H9NO3
- Chinese Name
- 5-异丙基异恶唑-4-甲酸
- Molecular Weight
- 155.15100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 78-82ºC(lit.) |
|---|---|
| Boiling Point | 291.958ºC at 760 mmHg |
| Density | 1.212g/cm3 |
| Flash Point | 130.372ºC |
Frequently Asked Questions
What is the CAS number of 5-Isopropylisoxazole-4-carboxylic acid?
The CAS number of 5-Isopropylisoxazole-4-carboxylic acid is 134541-05-2.
What are the molecular formula and molecular weight of 5-Isopropylisoxazole-4-carboxylic acid?
5-Isopropylisoxazole-4-carboxylic acid has molecular formula C7H9NO3 and molecular weight 155.15100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Isopropylisoxazole-4-carboxylic acid (CAS 134541-05-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1173822-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.