1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE
1-乙基-3-甲基-1H-吡唑-5-羰酰氯
Also known as: 1-ETHY-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE, 1-ETHYL-3-METHYLPYRAZOLE-5-CARBONYL CHLORIDE, 1-Ethyl-3-Methylpyrazole-5-Carbonyl Chloride, 1-Ethyl-3-methyl-1H-pyrazol-5-carbonyl chloride, 1-ethyl-3-methylpyrazole-5-carboxylic acid chloride, 1H-Pyrazole-5-carbonyl chloride, 1-ethyl-3-methyl-, 2-ethyl-5-methylpyrazole-3-carbonyl chloride, 5-(Chlorocarbonyl)-1-ethyl-3-methyl-1H-pyrazole, 5-(Chloroformyl)-1-ethyl-3-methyl-1H-pyrazole, BUTTPARK 37\06-100
1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE (CAS 128249-59-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9ClN2O and a molecular weight of 172.61200 g/mol. It is also known as 1-ETHY-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE, 1-ETHYL-3-METHYLPYRAZOLE-5-CARBONYL CHLORIDE and 1-Ethyl-3-Methylpyrazole-5-Carbonyl Chloride. Key properties include a boiling point of 263.4ºC at 760mmHg, a density of 1.26g/cm3 and a flash point of 113.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 128249-59-2
- Jingsj CID
- J-1065283-5
- Molecular Formula
- C7H9ClN2O
- Chinese Name
- 1-乙基-3-甲基-1H-吡唑-5-羰酰氯
- Molecular Weight
- 172.61200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 263.4ºC at 760mmHg |
|---|---|
| Density | 1.26g/cm3 |
| Flash Point | 113.1ºC |
Frequently Asked Questions
What is the CAS number of 1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE?
The CAS number of 1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE is 128249-59-2.
What are the molecular formula and molecular weight of 1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE?
1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE has molecular formula C7H9ClN2O and molecular weight 172.61200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-ETHYL-3-METHYL-1H-PYRAZOLE-5-CARBONYL CHLORIDE (CAS 128249-59-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1065283-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.