4-Nitro-1H-pyrazole-3-carboxylic acid

4-硝基吡唑-3-甲酸

Also known as: 4-Nitropyrazole-3-carboxylic acid, 4-Nitro-3-pyrazolecarboxylic acid, 4-Nitro-1H-pyrazole-3-carboxylicacid, 1H-Pyrazole-3-carboxylic acid, 4-nitro-, NSC 1411, MFCD00090899

4-Nitro-1H-pyrazole-3-carboxylic acid (CAS 5334-40-7) 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 4-Nitropyrazole-3-carboxylic acid, 4-Nitro-3-pyrazolecarboxylic acid and 4-Nitro-1H-pyrazole-3-carboxylicacid. Key properties include a melting point of 195°C, 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5334-40-7

Jingsj CID

J-39224-0

Molecular Formula

C₄H₃N₃O₄

Chinese Name

4-硝基吡唑-3-甲酸

Molecular Weight

157.084 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026