1-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide

1-(4-氯苯基)-5-(三氟甲基)-1H-吡唑-4-甲酰肼

Also known as: 2-(4-Chlorophenyl)-3-(trifluoromethyl)pyrazole-4-carboxylic acid hydrazide, 1-(4-Chlorophenyl)-5-(trifluoromethyl)pyrazole-4-carbohydrazide, 1-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide

1-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide (CAS 175137-34-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8ClF3N4O and a molecular weight of 304.65600 g/mol. It is also known as 2-(4-Chlorophenyl)-3-(trifluoromethyl)pyrazole-4-carboxylic acid hydrazide and 1-(4-Chlorophenyl)-5-(trifluoromethyl)pyrazole-4-carbohydrazide. Key properties include a melting point of 179 °C, a boiling point of 429.6ºC at 760 mmHg, a density of 1.47g/cm3 and a flash point of 213.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175137-34-5
Jingsj CID
J-50045-4
Molecular Formula
C11H8ClF3N4O
Chinese Name
1-(4-氯苯基)-5-(三氟甲基)-1H-吡唑-4-甲酰肼
Molecular Weight
304.65600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point179 °C
Boiling Point429.6ºC at 760 mmHg
Density1.47g/cm3
Flash Point213.6ºC

Frequently Asked Questions

What is the CAS number of 1-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide?

The CAS number of 1-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide is 175137-34-5.

What are the molecular formula and molecular weight of 1-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide?

1-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide has molecular formula C11H8ClF3N4O and molecular weight 304.65600 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide (CAS 175137-34-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50045-4 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.