3-Methylisoxazole-5-carbonyl chloride
Also known as: 3-Methyl-5-isoxazolecarbonyl chloride, 3-Methyl-isoxazol-5-carbonylchlorid, 3-methyl-1,2-oxazole-5-carbonyl chloride, 3-methylisoxazol-5-carbonyl chloride, 5-Isoxazolecarbonyl chloride, 3-methyl- (9CI), 5-Isoxazolecarbonyl chloride, 3-Methyl-, 3-Methylisoxazole-5-carbonylchloride
3-Methylisoxazole-5-carbonyl chloride (CAS 49783-72-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H4ClNO2 and a molecular weight of 145.54400 g/mol. Key properties include a melting point of 39-41ºC, a boiling point of 239.931ºC at 760 mmHg, a density of 1.346g/cm3 and a flash point of 98.907ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 49783-72-4
- Jingsj CID
- J-1179718-5
- Molecular Formula
- C5H4ClNO2
- Molecular Weight
- 145.54400 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 39-41ºC |
|---|---|
| Boiling Point | 239.931ºC at 760 mmHg |
| Density | 1.346g/cm3 |
| Flash Point | 98.907ºC |
| Exact Mass | 144.99300 |
| PSA | 43.10000 |
| LogP | 1.36200 |
| Refractive Index | 1.498 |
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 3-Methylisoxazole-5-carbonyl chloride?
The CAS number of 3-Methylisoxazole-5-carbonyl chloride is 49783-72-4.
What are the molecular formula and molecular weight of 3-Methylisoxazole-5-carbonyl chloride?
3-Methylisoxazole-5-carbonyl chloride has molecular formula C5H4ClNO2 and molecular weight 145.54400 g/mol.
What are the upstream and downstream products of 3-Methylisoxazole-5-carbonyl chloride?
For 3-Methylisoxazole-5-carbonyl chloride, Upstream Products: 3-Methylisoxazole-5-carboxylic acid, 3,5-Dimethylisoxazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylisoxazole-5-carbonyl chloride (CAS 49783-72-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1179718-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.