1-Methyl-5-phenyl-1H-pyrazole-3-carbonyl chloride
1-甲基-5-苯基-1H-吡唑-3-羰酰氯
Also known as: 1-Methyl-5-phenyl-1H-pyrazole-3-carbonyl chloride, 1-methyl-5-phenylpyrazole-3-carbonyl chloride, 1H-Pyrazole-3-carbonyl chloride, 1-methyl-5-phenyl-
1-Methyl-5-phenyl-1H-pyrazole-3-carbonyl chloride (CAS 859850-98-9) 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 1-methyl-5-phenylpyrazole-3-carbonyl chloride and 1H-Pyrazole-3-carbonyl chloride, 1-methyl-5-phenyl-. Key properties include a melting point of 80-81.5ºC, a boiling point of 366.9ºC at 760 mmHg, a density of 1.26g/cm3 and a flash point of 175.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 859850-98-9
- Jingsj CID
- J-1312969-1
- Molecular Formula
- C11H9ClN2O
- Chinese Name
- 1-甲基-5-苯基-1H-吡唑-3-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 | 80-81.5ºC |
|---|---|
| Boiling Point | 366.9ºC at 760 mmHg |
| Density | 1.26g/cm3 |
| Flash Point | 175.7ºC |
Frequently Asked Questions
What is the CAS number of 1-Methyl-5-phenyl-1H-pyrazole-3-carbonyl chloride?
The CAS number of 1-Methyl-5-phenyl-1H-pyrazole-3-carbonyl chloride is 859850-98-9.
What are the molecular formula and molecular weight of 1-Methyl-5-phenyl-1H-pyrazole-3-carbonyl chloride?
1-Methyl-5-phenyl-1H-pyrazole-3-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. "1-Methyl-5-phenyl-1H-pyrazole-3-carbonyl chloride (CAS 859850-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1312969-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.