2H-1,2,4-Triazole-3-carboxamide
Also known as: 1,2,4-Triazole-3-carboxamide, 1,2,4-Triazole-3-carboxylic acid amide, 1H-1,2,4-Triazole-3-carboxamide, 1H-1,2,4-Triazole-5-carboxamide, 3-Carbamoyl-1H-1,2,4-triazole, Ribavirin base, Ribavirin Impurity 4, Ribavirin Related Compound D, Triazole carboxamide, 1,2,4-Triazole-3-formamide, MFCD03990481, 1,2,4-TRIAZOLE-3-CARBOXYAMIDE, 3-methylformamide-1,2,4-triazone, 4-Triazole-3-carboxaMide
2H-1,2,4-Triazole-3-carboxamide (CAS 3641-08-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C3H4N4O and a molecular weight of 112.090 g/mol. Key properties include a melting point of 315 °C, a boiling point of 393.4±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 191.7±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3641-08-5
- Jingsj CID
- J-32126-6
- Molecular Formula
- C3H4N4O
- Molecular Weight
- 112.090 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 315 °C |
|---|---|
| Boiling Point | 393.4±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 191.7±23.2 °C |
| Exact Mass | 112.038513 |
| PSA | 84.66000 |
| LogP | -1.63 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.626 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 2H-1,2,4-Triazole-3-carboxamide?
The CAS number of 2H-1,2,4-Triazole-3-carboxamide is 3641-08-5.
What are the molecular formula and molecular weight of 2H-1,2,4-Triazole-3-carboxamide?
2H-1,2,4-Triazole-3-carboxamide has molecular formula C3H4N4O and molecular weight 112.090 g/mol.
What are the upstream and downstream products of 2H-1,2,4-Triazole-3-carboxamide?
For 2H-1,2,4-Triazole-3-carboxamide, Upstream Products: Methyl 1H-1,2,4-triazole-3-carboxylate, Ribavirin; Downstream Products: Ribavirin, 7-Methylguanine, Uracil.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2H-1,2,4-Triazole-3-carboxamide (CAS 3641-08-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32126-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.