1-methyl-5-phenoxy-3-(trifluoromethyl)pyrazole-4-carbonyl chloride
1-甲基-5-苯氧基-3-(三氟甲基)-1H-吡唑-4-羰酰氯
Also known as: 1-methyl-5-phenoxy-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride, 1-methyl-5-phenoxy-3-trifluoromethyl-1H-pyrazole-4-carbonyl chloride, 1-methyl-5-phenoxy-3-(trifluoromethyl)-4-pyrazolecarbonyl chloride
1-methyl-5-phenoxy-3-(trifluoromethyl)pyrazole-4-carbonyl chloride (CAS 921939-09-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H8ClF3N2O2 and a molecular weight of 304.65200 g/mol. It is also known as 1-methyl-5-phenoxy-3-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride, 1-methyl-5-phenoxy-3-trifluoromethyl-1H-pyrazole-4-carbonyl chloride and 1-methyl-5-phenoxy-3-(trifluoromethyl)-4-pyrazolecarbonyl chloride. Key properties include a melting point of 44.5-46.5ºC, a boiling point of 363.3ºC at 760 mmHg, a density of 1.44g/cm3 and a flash point of 173.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 921939-09-5
- Jingsj CID
- J-989090-5
- Molecular Formula
- C12H8ClF3N2O2
- Chinese Name
- 1-甲基-5-苯氧基-3-(三氟甲基)-1H-吡唑-4-羰酰氯
- Molecular Weight
- 304.65200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 44.5-46.5ºC |
|---|---|
| Boiling Point | 363.3ºC at 760 mmHg |
| Density | 1.44g/cm3 |
| Flash Point | 173.5ºC |
Frequently Asked Questions
What is the CAS number of 1-methyl-5-phenoxy-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
The CAS number of 1-methyl-5-phenoxy-3-(trifluoromethyl)pyrazole-4-carbonyl chloride is 921939-09-5.
What are the molecular formula and molecular weight of 1-methyl-5-phenoxy-3-(trifluoromethyl)pyrazole-4-carbonyl chloride?
1-methyl-5-phenoxy-3-(trifluoromethyl)pyrazole-4-carbonyl chloride has molecular formula C12H8ClF3N2O2 and molecular weight 304.65200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-methyl-5-phenoxy-3-(trifluoromethyl)pyrazole-4-carbonyl chloride (CAS 921939-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-989090-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.