Ethyl 3-methylisoxazole-4-carboxylate
Also known as: 3-Methylisoxazole-4-carboxylic acid ethyl ester, 3-Methyl-4-isoxazolecarboxylic acid ethyl ester, Ethyl 3-methyl-1,2-oxazole-4-carboxylate, 4-Isoxazolecarboxylic acid, 3-methyl-, ethyl ester, Leflunomide Impurity 9, MFCD01075736
Ethyl 3-methylisoxazole-4-carboxylate (CAS 20328-15-8) 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 boiling point of 226.4±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 90.7±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20328-15-8
- Jingsj CID
- J-9570-5
- 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
| Boiling Point | 226.4±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 90.7±21.8 °C |
| Exact Mass | 155.058243 |
| PSA | 52.33000 |
| LogP | 1.05 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.468 |
Frequently Asked Questions
What is the CAS number of Ethyl 3-methylisoxazole-4-carboxylate?
The CAS number of Ethyl 3-methylisoxazole-4-carboxylate is 20328-15-8.
What are the molecular formula and molecular weight of Ethyl 3-methylisoxazole-4-carboxylate?
Ethyl 3-methylisoxazole-4-carboxylate has molecular formula C7H9NO3 and molecular weight 155.151 g/mol.
What are the upstream and downstream products of Ethyl 3-methylisoxazole-4-carboxylate?
For Ethyl 3-methylisoxazole-4-carboxylate, Upstream Products: Ethyl 5-chloro-3-methylisoxazole-4-carboxylate, Pyrrolidine, Ethyl trans-3-(1-pyrrolidino)acrylate; Downstream Products: 3-Methylisoxazole-4-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 3-methylisoxazole-4-carboxylate (CAS 20328-15-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9570-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.