Ethyl 5-methylisoxazole-3-carboxylate
Also known as: Ethyl 5-methyl-1,2-oxazole-3-carboxylate, 5-Methylisoxazole-3-carboxylic acid ethyl ester, 3-Ethoxycarbonyl-5-methylisoxazole, 5-Methyl-3-isoxazolecarboxylic acid ethyl ester, ethyl 5-methyl-3-isoxazolecarboxylate, ethyl 5-methyl-1,2-oxazole-3-carboxylate, 5-Methyl-isoxazol-3-carbonsaeure-aethylester
Ethyl 5-methylisoxazole-3-carboxylate (CAS 3209-72-1) 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 155.151 g/mol. Key properties include a melting point of 25 °C, a boiling point of 246.2±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 102.7±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3209-72-1
- Jingsj CID
- J-37123-3
- Molecular Formula
- C7H9NO3
- Molecular Weight
- 155.151 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 25 °C |
|---|---|
| Boiling Point | 246.2±20.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 102.7±21.8 °C |
| Exact Mass | 155.058243 |
| PSA | 52.33000 |
| LogP | 1.05 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.468 |
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 Ethyl 5-methylisoxazole-3-carboxylate?
The CAS number of Ethyl 5-methylisoxazole-3-carboxylate is 3209-72-1.
What are the molecular formula and molecular weight of Ethyl 5-methylisoxazole-3-carboxylate?
Ethyl 5-methylisoxazole-3-carboxylate has molecular formula C7H9NO3 and molecular weight 155.151 g/mol.
What are the upstream and downstream products of Ethyl 5-methylisoxazole-3-carboxylate?
For Ethyl 5-methylisoxazole-3-carboxylate, Upstream Products: Ethyl 2,4-dioxovalerate, Aqueous ammonia, Isopropenyl acetate; Downstream Products: 5-Methylisoxazole-3-carboxamide, (5-Methylisoxazol-3-yl)methanol, 5-Methylisoxazole-3-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 5-methylisoxazole-3-carboxylate (CAS 3209-72-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37123-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.