5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde

5-氯-1-甲基-3-(三氟甲基)-1H-吡唑-4-甲醛

Also known as: 1H-Pyrazole-4-carboxaldehyde, 5-chloro-1-methyl-3-(trifluoromethyl)-, 5-CHLORO-1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBALDEHYDE, 5-CHLORO-1-METHYL-3-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXALDEHYDE, 5-Chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carbaldehyde, 5-Chloro-1-methyl-3-(trifluoromethyl)pyrazole-4-carboxyaldehyde, 5-Chloro-4-formyl-1-methyl-3-(trifluoromethyl)-1H-pyrazole, 5-chloro-1-methyl-3-(trifluoromethyl)-4-pyrazolecarboxaldehyde, AKOS B029556, BUTTPARK 46\18-83, MFCD00068130, TIMTEC-BB SBB000527

5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde (CAS 128455-62-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4ClF3N2O and a molecular weight of 212.557 g/mol. It is also known as 1H-Pyrazole-4-carboxaldehyde, 5-chloro-1-methyl-3-(trifluoromethyl)-, 5-CHLORO-1-METHYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOLE-4-CARBALDEHYDE and 5-CHLORO-1-METHYL-3-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXALDEHYDE. Key properties include a melting point of 42-44°C, a boiling point of 239.6±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 98.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
128455-62-9
Jingsj CID
J-8480-0
Molecular Formula
C6H4ClF3N2O
Chinese Name
5-氯-1-甲基-3-(三氟甲基)-1H-吡唑-4-甲醛
Molecular Weight
212.557 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point42-44°C
Boiling Point239.6±40.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point98.7±27.3 °C

Frequently Asked Questions

What is the CAS number of 5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde?

The CAS number of 5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde is 128455-62-9.

What are the molecular formula and molecular weight of 5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde?

5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde has molecular formula C6H4ClF3N2O and molecular weight 212.557 g/mol.

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

Last updated:

How to cite: Jingsj. "5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde (CAS 128455-62-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8480-0 (accessed 2026-10-22).

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