4-Methylisoxazole-3-carboxylic acid
4-甲基异恶唑-3-甲酸
Also known as: 4-Methyl-3-isoxazolecarboxylic acid, 4-methyl-1,2-oxazole-3-carboxylic acid, 3-Isoxazolecarboxylic acid, 4-methyl-, 4-methyl-3-carboxylic acid isoxazole, 4-methylisoxazole-3-carboxylic acid
4-Methylisoxazole-3-carboxylic acid (CAS 215872-46-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5NO3 and a molecular weight of 127.098 g/mol. It is also known as 4-Methyl-3-isoxazolecarboxylic acid, 4-methyl-1,2-oxazole-3-carboxylic acid and 3-Isoxazolecarboxylic acid, 4-methyl-. Key properties include a boiling point of 309.7±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 141.1±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 215872-46-1
- Jingsj CID
- J-1177790-2
- Molecular Formula
- C5H5NO3
- Chinese Name
- 4-甲基异恶唑-3-甲酸
- Molecular Weight
- 127.098 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 309.7±22.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 141.1±22.3 °C |
Frequently Asked Questions
What is the CAS number of 4-Methylisoxazole-3-carboxylic acid?
The CAS number of 4-Methylisoxazole-3-carboxylic acid is 215872-46-1.
What are the molecular formula and molecular weight of 4-Methylisoxazole-3-carboxylic acid?
4-Methylisoxazole-3-carboxylic acid has molecular formula C5H5NO3 and molecular weight 127.098 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylisoxazole-3-carboxylic acid (CAS 215872-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1177790-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.