4-Isocyanato-1,3,5-trimethyl-1H-pyrazole

4-异氰酸酯基-1,3,5-三甲基-1H-吡唑

Also known as: 1,3,5-Trimethyl-1H-pyrazol-4-yl isocyanate, 1,3,5-Trimethyl-1H-pyrazol-4-yl isocyanate 97%, 1,3,5-trimethylpyrazol-4-isocyanate, 1H-Pyrazole, 4-isocyanato-1,3,5-trimethyl-, 4-Isocyanato-1,3-5-trimethyl-1H-pyrazole 97%, 4-isocyanato-1,3,5-trimethylpyrazole

4-Isocyanato-1,3,5-trimethyl-1H-pyrazole (CAS 252956-48-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9N3O and a molecular weight of 151.16600 g/mol. It is also known as 1,3,5-Trimethyl-1H-pyrazol-4-yl isocyanate, 1,3,5-Trimethyl-1H-pyrazol-4-yl isocyanate 97% and 1,3,5-trimethylpyrazol-4-isocyanate. Key properties include a melting point of 36ºC, a boiling point of 76-80/2mm, a density of 1.14g/cm3 and a flash point of 95.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

252956-48-2

Jingsj CID

J-1524181-2

Molecular Formula

C₇H₉N₃O

Chinese Name

4-异氰酸酯基-1,3,5-三甲基-1H-吡唑

Molecular Weight

151.16600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026