5-Methylisoxazole-3-carboxamide
Also known as: 3-Isoxazolecarboxamide, 5-methyl-, 3-carbamoyl-5-methylisoxazole, 5-Methyl-3-isoxazolecarboxamide, 5-Methyl-1,2-oxazole-3-carboxamide, 5-Methyl-isoxazole-3-carboxylic acid amide, 5-Methylisoxazol-3-carboxamid, NSC 18369
5-Methylisoxazole-3-carboxamide (CAS 3445-52-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2 and a molecular weight of 126.113 g/mol. Key properties include a melting point of 166-168°C, a boiling point of 292.1±28.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 130.4±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3445-52-1
- Jingsj CID
- J-7684-6
- Molecular Formula
- C5H6N2O2
- Molecular Weight
- 126.113 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 166-168°C |
|---|---|
| Boiling Point | 292.1±28.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 130.4±24.0 °C |
| Exact Mass | 126.042931 |
| PSA | 69.12000 |
| LogP | -0.94 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.517 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Methylisoxazole-3-carboxamide?
The CAS number of 5-Methylisoxazole-3-carboxamide is 3445-52-1.
What are the molecular formula and molecular weight of 5-Methylisoxazole-3-carboxamide?
5-Methylisoxazole-3-carboxamide has molecular formula C5H6N2O2 and molecular weight 126.113 g/mol.
What are the upstream and downstream products of 5-Methylisoxazole-3-carboxamide?
For 5-Methylisoxazole-3-carboxamide, Upstream Products: Ethyl 5-methylisoxazole-3-carboxylate, 5-Methylisoxazole-3-carbonyl chloride; Downstream Products: 5-Methylisoxazole-3-carbonitrile, (5-Methyl-3-isoxazolyl)methylamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methylisoxazole-3-carboxamide (CAS 3445-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7684-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.