Ethyl 3-methyl-1,2,4-oxadiazole-5-carboxylate
3-甲基-1,2,4-恶二唑-5-羧酸乙酯
Also known as: 3-Methyl-[1,2,4]oxadiazole-5-carboxylic acid ethyl ester, 1,2,4-Oxadiazole-5-carboxylic acid, 3-methyl-, ethyl ester, ethyl 3-methyl-1,2,4-oxadiazole-5-carboxylate
Ethyl 3-methyl-1,2,4-oxadiazole-5-carboxylate (CAS 40019-21-4) 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 3-Methyl-[1,2,4]oxadiazole-5-carboxylic acid ethyl ester, 1,2,4-Oxadiazole-5-carboxylic acid, 3-methyl-, ethyl ester and ethyl 3-methyl-1,2,4-oxadiazole-5-carboxylate. Key properties include 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.
- 40019-21-4
- Jingsj CID
- J-1031334-5
- Molecular Formula
- C6H8N2O3
- Chinese Name
- 3-甲基-1,2,4-恶二唑-5-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
| 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 3-methyl-1,2,4-oxadiazole-5-carboxylate?
The CAS number of Ethyl 3-methyl-1,2,4-oxadiazole-5-carboxylate is 40019-21-4.
What are the molecular formula and molecular weight of Ethyl 3-methyl-1,2,4-oxadiazole-5-carboxylate?
Ethyl 3-methyl-1,2,4-oxadiazole-5-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 3-methyl-1,2,4-oxadiazole-5-carboxylate (CAS 40019-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1031334-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.