Ethyl 1-hydroxy-1H-1,2,3-triazole-4-carboxylate
1-羟基-1H-1,2,3-三唑-4-羧酸乙酯
Also known as: HOCT, HOCt, 1-Hydroxy-1H-1,2,3-triazole-4-carboxylic Acid Ethyl Ester, 1H-1,2,3-Triazole-4-carboxylic acid, 1-hydroxy-, ethyl ester, ethyl 1-hydroxytriazole-4-carboxylate
Ethyl 1-hydroxy-1H-1,2,3-triazole-4-carboxylate (CAS 137156-41-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7N3O3 and a molecular weight of 157.127 g/mol. It is also known as HOCT, HOCt and 1-Hydroxy-1H-1,2,3-triazole-4-carboxylic Acid Ethyl Ester. Key properties include a boiling point of 339.1±34.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 158.9±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 137156-41-3
- Jingsj CID
- J-1577452-1
- Molecular Formula
- C5H7N3O3
- Chinese Name
- 1-羟基-1H-1,2,3-三唑-4-羧酸乙酯
- Molecular Weight
- 157.127 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 339.1±34.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 158.9±25.7 °C |
Frequently Asked Questions
What is the CAS number of Ethyl 1-hydroxy-1H-1,2,3-triazole-4-carboxylate?
The CAS number of Ethyl 1-hydroxy-1H-1,2,3-triazole-4-carboxylate is 137156-41-3.
What are the molecular formula and molecular weight of Ethyl 1-hydroxy-1H-1,2,3-triazole-4-carboxylate?
Ethyl 1-hydroxy-1H-1,2,3-triazole-4-carboxylate has molecular formula C5H7N3O3 and molecular weight 157.127 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 1-hydroxy-1H-1,2,3-triazole-4-carboxylate (CAS 137156-41-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1577452-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.