1-(4-chlorophenyl)-3-methyl-4-[(3-(trifluoromethyl)phenyl)hydrazono]-1H-pyrazol-5(4H)-one

1-(4-氯苯基)-3-甲基-4-[(3-三氟甲基苯基)腙]-1H-吡唑-5(4H)-酮

Also known as: (4E)-2-(4-chlorophenyl)-5-methyl-4-[[3-(trifluoromethyl)phenyl]hydrazinylidene]pyrazol-3-one, 1H-Pyrazole-4,5-dione, 1-(4-chlorophenyl)-3-methyl-, 4-[[3-(trifluoromethyl)phenyl]hydrazone] (9CI), 1H-Pyrazole-4,5-dione,1-(4-chlorophenyl)-3-methyl-, 4-[2-[3-(trifluoromethyl)phenyl]hydrazone], NSC 270454

1-(4-chlorophenyl)-3-methyl-4-[(3-(trifluoromethyl)phenyl)hydrazono]-1H-pyrazol-5(4H)-one (CAS 72730-91-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H12ClF3N4O and a molecular weight of 380.75200 g/mol. It is also known as (4E)-2-(4-chlorophenyl)-5-methyl-4-[[3-(trifluoromethyl)phenyl]hydrazinylidene]pyrazol-3-one, 1H-Pyrazole-4,5-dione, 1-(4-chlorophenyl)-3-methyl-, 4-[[3-(trifluoromethyl)phenyl]hydrazone] (9CI) and 1H-Pyrazole-4,5-dione,1-(4-chlorophenyl)-3-methyl-, 4-[2-[3-(trifluoromethyl)phenyl]hydrazone]. Key properties include a boiling point of 445.736ºC at 760 mmHg, a density of 1.435g/cm3 and a flash point of 223.373ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

72730-91-7

Jingsj CID

J-1476033-4

Molecular Formula

C₁₇H₁₂ClF₃N₄O

Chinese Name

1-(4-氯苯基)-3-甲基-4-[(3-三氟甲基苯基)腙]-1H-吡唑-5(4H)-酮

Molecular Weight

380.75200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026