5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride
5-甲基-1-苯基-吡唑-4-羰酰氯
Also known as: 1H-Pyrazole-4-carbonyl chloride, 5-methyl-1-phenyl-, 5-methyl-1-phenylpyrazole-4-carbonyl chloride, MFCD02677692, TIMTEC-BB SBB005474, 5-methyl-1-phenyl-1H-pyrazol-4-carbonyl chloride, ButtPark 37\08-40
5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride (CAS 205113-77-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9ClN2O and a molecular weight of 220.65500 g/mol. It is also known as 1H-Pyrazole-4-carbonyl chloride, 5-methyl-1-phenyl-, 5-methyl-1-phenylpyrazole-4-carbonyl chloride and MFCD02677692. Key properties include a melting point of 147ºC, a boiling point of 333.4ºC at 760 mmHg, a density of 1.26g/cm3 and a flash point of 155.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 205113-77-5
- Jingsj CID
- J-1309836-0
- Molecular Formula
- C11H9ClN2O
- Chinese Name
- 5-甲基-1-苯基-吡唑-4-羰酰氯
- Molecular Weight
- 220.65500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 147ºC |
|---|---|
| Boiling Point | 333.4ºC at 760 mmHg |
| Density | 1.26g/cm3 |
| Flash Point | 155.4ºC |
| Exact Mass | 220.04000 |
| PSA | 34.89000 |
| LogP | 2.55970 |
| Vapor Pressure | 0.000137mmHg at 25°C |
| Refractive Index | 1.611 |
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 5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride?
The CAS number of 5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride is 205113-77-5.
What are the molecular formula and molecular weight of 5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride?
5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride has molecular formula C11H9ClN2O and molecular weight 220.65500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride (CAS 205113-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1309836-0 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.