Methyl 5-formylisoxazole-3-carboxylate
5-甲酰基异恶唑-3-甲酸甲酯
Also known as: Methyl 5-formyl-1,2-oxazole-3-carboxylate, 3-Isoxazolecarboxylic acid, 5-formyl-, methyl ester, 3-Isoxazolecarboxylicacid,5-formyl-,methylester(8CI,9CI), 5-formyl-isoxazole-3-carboxylic acid methyl ester, methyl 5-formyl-3-isoxazolecarboxylate
Methyl 5-formylisoxazole-3-carboxylate (CAS 22667-21-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NO4 and a molecular weight of 155.108 g/mol. It is also known as Methyl 5-formyl-1,2-oxazole-3-carboxylate, 3-Isoxazolecarboxylic acid, 5-formyl-, methyl ester and 3-Isoxazolecarboxylicacid,5-formyl-,methylester(8CI,9CI). Key properties include a melting point of 72-73ºC, a boiling point of 306.4±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 139.1±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22667-21-6
- Jingsj CID
- J-1516497-3
- Molecular Formula
- C6H5NO4
- Chinese Name
- 5-甲酰基异恶唑-3-甲酸甲酯
- Molecular Weight
- 155.108 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 72-73ºC |
|---|---|
| Boiling Point | 306.4±27.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 139.1±23.7 °C |
Frequently Asked Questions
What is the CAS number of Methyl 5-formylisoxazole-3-carboxylate?
The CAS number of Methyl 5-formylisoxazole-3-carboxylate is 22667-21-6.
What are the molecular formula and molecular weight of Methyl 5-formylisoxazole-3-carboxylate?
Methyl 5-formylisoxazole-3-carboxylate has molecular formula C6H5NO4 and molecular weight 155.108 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 5-formylisoxazole-3-carboxylate (CAS 22667-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516497-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.