Methyl 4-acetyl-5-methylisoxazole-3-carboxylate
4-乙酰基-5-甲基异噁唑-3-羧酸甲酯
Also known as: Methyl 4-acetyl-5-methyl-1,2-oxazole-3-carboxylate, 3-Isoxazolecarboxylic acid, 4-acetyl-5-methyl-, methyl ester, 4-Acetyl-5-methyl-3-isoxazolecarboxylic acid methyl ester
Methyl 4-acetyl-5-methylisoxazole-3-carboxylate (CAS 104149-61-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9NO4 and a molecular weight of 183.16100 g/mol. It is also known as Methyl 4-acetyl-5-methyl-1,2-oxazole-3-carboxylate, 3-Isoxazolecarboxylic acid, 4-acetyl-5-methyl-, methyl ester and 4-Acetyl-5-methyl-3-isoxazolecarboxylic acid methyl ester. Key properties include a boiling point of 329.2ºC at 760mmHg, a density of 1.211g/cm3 and a flash point of 152.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 104149-61-3
- Jingsj CID
- J-1431900-8
- Molecular Formula
- C8H9NO4
- Chinese Name
- 4-乙酰基-5-甲基异噁唑-3-羧酸甲酯
- Molecular Weight
- 183.16100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 329.2ºC at 760mmHg |
|---|---|
| Density | 1.211g/cm3 |
| Flash Point | 152.9ºC |
| Exact Mass | 183.05300 |
| PSA | 69.40000 |
| LogP | 0.97220 |
| Vapor Pressure | 0.00018mmHg at 25°C |
| Refractive Index | 1.484 |
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 Methyl 4-acetyl-5-methylisoxazole-3-carboxylate?
The CAS number of Methyl 4-acetyl-5-methylisoxazole-3-carboxylate is 104149-61-3.
What are the molecular formula and molecular weight of Methyl 4-acetyl-5-methylisoxazole-3-carboxylate?
Methyl 4-acetyl-5-methylisoxazole-3-carboxylate has molecular formula C8H9NO4 and molecular weight 183.16100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 4-acetyl-5-methylisoxazole-3-carboxylate (CAS 104149-61-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1431900-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.