1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride
1-甲基-3-三氟甲基-吡唑-4-羰酰氯
Also known as: 1-Methyl-3-(trifluoromethyl)-1H-pyrazol-4-carbonyl chloride, 1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride, 1H-Pyrazole-4-carbonyl chloride, 1-methyl-3-(trifluoromethyl)-, 1H-Pyrazole-4-carbonyl chloride, 1-methyl-3-(trifluoromethyl)- (9CI)
1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride (CAS 126674-98-4) 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 212.55700 g/mol. It is also known as 1-Methyl-3-(trifluoromethyl)-1H-pyrazol-4-carbonyl chloride, 1-methyl-3-(trifluoromethyl)pyrazole-4-carbonyl chloride and 1H-Pyrazole-4-carbonyl chloride, 1-methyl-3-(trifluoromethyl)-. Key properties include a boiling point of 251.1ºC at 760mmHg, a density of 1.56g/cm3 and a flash point of 105.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 126674-98-4
- Jingsj CID
- J-1510520-4
- Molecular Formula
- C6H4ClF3N2O
- Chinese Name
- 1-甲基-3-三氟甲基-吡唑-4-羰酰氯
- Molecular Weight
- 212.55700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 251.1ºC at 760mmHg |
|---|---|
| Density | 1.56g/cm3 |
| Flash Point | 105.6ºC |
| Exact Mass | 211.99600 |
| PSA | 34.89000 |
| LogP | 1.81790 |
| Vapor Pressure | 0.0209mmHg at 25°C |
| Refractive Index | 1.501 |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride?
The CAS number of 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride is 126674-98-4.
What are the molecular formula and molecular weight of 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride?
1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride has molecular formula C6H4ClF3N2O and molecular weight 212.55700 g/mol.
What are the upstream and downstream products of 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride?
For 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride, Upstream Products: 1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid, Ethyl 3-(trifluoromethyl)-1H-pyrazole-4-carboxylate, Ethyl 1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride (CAS 126674-98-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510520-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.