5-Nitro-3-pyrazolecarboxylic acid
5-硝基吡唑-3-羧酸
Also known as: 5-Nitro-1H-pyrazole-3-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 5-nitro-, 3-Nitro-5-pyrazolecarboxylic acid, 5-Nitro-3-pyrazolecarboxylic Acid, 5-nitro-3-pyrazolecarboxylci acid
5-Nitro-3-pyrazolecarboxylic acid (CAS 198348-89-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3N3O4 and a molecular weight of 157.084 g/mol. It is also known as 5-Nitro-1H-pyrazole-3-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 5-nitro- and 3-Nitro-5-pyrazolecarboxylic acid. Key properties include a melting point of 188-190 °C(lit.), a boiling point of 509.6±35.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 262.0±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 198348-89-9
- Jingsj CID
- J-10464-5
- Molecular Formula
- C4H3N3O4
- Chinese Name
- 5-硝基吡唑-3-羧酸
- Molecular Weight
- 157.084 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 188-190 °C(lit.) |
|---|---|
| Boiling Point | 509.6±35.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 262.0±25.9 °C |
Frequently Asked Questions
What is the CAS number of 5-Nitro-3-pyrazolecarboxylic acid?
The CAS number of 5-Nitro-3-pyrazolecarboxylic acid is 198348-89-9.
What are the molecular formula and molecular weight of 5-Nitro-3-pyrazolecarboxylic acid?
5-Nitro-3-pyrazolecarboxylic acid has molecular formula C4H3N3O4 and molecular weight 157.084 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Nitro-3-pyrazolecarboxylic acid (CAS 198348-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10464-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.