1H-1,2,4-Triazole-3-carboxylic acid
1H-1,2,4-三氮唑-3-羧酸
Also known as: 1,2,4-Triazole-3-carboxylic acid, 1H-1,2,4-Triazole-5-carboxylic acid, s-Triazole-3-carboxylic acid, 1H-[1,2,4]triazole-3-carboxylic acid, 4H-1,2,4-Triazole-3-carboxylic acid, NSC165527, NSC202574, Ribavirin Impurity 3
- CAS No.
- 4928-87-4
- Jingsj CID
- J-1515914-6
- Molecular Formula
- C3H3N3O2
- Chinese Name
- 1H-1,2,4-三氮唑-3-羧酸
- Molecular Weight
- 113.075 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 132-136ºC |
|---|---|
| Boiling Point | 444.6±28.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 222.7±24.0 °C |
Frequently Asked Questions
What is the CAS number of 1H-1,2,4-Triazole-3-carboxylic acid?
4928-87-4
What are the molecular formula and molecular weight of 1H-1,2,4-Triazole-3-carboxylic acid?
C3H3N3O2, molecular weight 113.075 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026