Ethyl 5-methyl-1,2,4-oxadiazole-3-carboxylate
5-甲基-1,2,4-噁二唑-3-羧酸乙酯
Also known as: 1,2,4-Oxadiazole-3-carboxylic acid, 5-methyl-, ethyl ester, 5-Methyl-1,2,4-oxadiazole-3-carboxylic acid ethyl ester, ETHYL 5-METHYL-1,2,4-OXADIAZOLE-3-CARBOXYLATE, ethyl 5-methyl-1,2,4-oxadiazole-3-carbonate (incorrect)
Ethyl 5-methyl-1,2,4-oxadiazole-3-carboxylate (CAS 40699-38-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O3 and a molecular weight of 156.139 g/mol. It is also known as 1,2,4-Oxadiazole-3-carboxylic acid, 5-methyl-, ethyl ester, 5-Methyl-1,2,4-oxadiazole-3-carboxylic acid ethyl ester and ETHYL 5-METHYL-1,2,4-OXADIAZOLE-3-CARBOXYLATE. Key properties include a melting point of 33-35 °C, a boiling point of 238.0±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 97.7±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40699-38-5
- Jingsj CID
- J-1498990-0
- Molecular Formula
- C6H8N2O3
- Chinese Name
- 5-甲基-1,2,4-噁二唑-3-羧酸乙酯
- Molecular Weight
- 156.139 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 33-35 °C |
|---|---|
| Boiling Point | 238.0±23.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 97.7±22.6 °C |
Frequently Asked Questions
What is the CAS number of Ethyl 5-methyl-1,2,4-oxadiazole-3-carboxylate?
The CAS number of Ethyl 5-methyl-1,2,4-oxadiazole-3-carboxylate is 40699-38-5.
What are the molecular formula and molecular weight of Ethyl 5-methyl-1,2,4-oxadiazole-3-carboxylate?
Ethyl 5-methyl-1,2,4-oxadiazole-3-carboxylate has molecular formula C6H8N2O3 and molecular weight 156.139 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 5-methyl-1,2,4-oxadiazole-3-carboxylate (CAS 40699-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498990-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.