1-ethyl-3-methyl-4-nitro-1H-pyrazole-5-carboxylic acid

1-乙基-3-甲基-4-硝基-1H-吡唑-5-羧酸

Also known as: 1-ethyl-3-methyl-4-nitro-1H-pyrazole-5-carboxylic acid, 2-ethyl-5-methyl-4-nitropyrazole-3-carboxylic acid, 1H-pyrazole-5-carboxylic acid, 1-ethyl-3-methyl-4-nitro-

1-ethyl-3-methyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 26308-39-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9N3O4 and a molecular weight of 199.16400 g/mol. It is also known as 2-ethyl-5-methyl-4-nitropyrazole-3-carboxylic acid and 1H-pyrazole-5-carboxylic acid, 1-ethyl-3-methyl-4-nitro-. Key properties include a boiling point of 381.272ºC at 760 mmHg, a density of 1.526g/cm3 and a flash point of 184.387ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

26308-39-4

Jingsj CID

J-999143-5

Molecular Formula

C₇H₉N₃O₄

Chinese Name

1-乙基-3-甲基-4-硝基-1H-吡唑-5-羧酸

Molecular Weight

199.16400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026