4-(1-methyl-1H-pyrazol-3-yl)benzenesulfonyl chloride
4-(1-甲基-1H-吡唑-3-基)苯磺酰氯
Also known as: 4-(1-methyl-1H-pyrazol-3-yl)benzenesulfonyl chloride, 4-(1-methyl-1H-pyrazol-3-yl)-benzenesulfonyl chloride, 3-[4-(chlorosulphonyl)phenyl]-1-methyl-1H-pyrazole, 4-(1-methyl-1H-pyrazol-3-yl)benzenesulphonyl chloride, Benzenesulfonyl chloride, 4-(1-methyl-1H-pyrazol-3-yl)-
4-(1-methyl-1H-pyrazol-3-yl)benzenesulfonyl chloride (CAS 916766-81-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9ClN2O2S and a molecular weight of 256.70900 g/mol. It is also known as 4-(1-methyl-1H-pyrazol-3-yl)-benzenesulfonyl chloride, 3-[4-(chlorosulphonyl)phenyl]-1-methyl-1H-pyrazole and 4-(1-methyl-1H-pyrazol-3-yl)benzenesulphonyl chloride. Key properties include a melting point of 89.5-91ºC, a boiling point of 397.1ºC at 760 mmHg and a density of 1.41g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 916766-81-9
- Jingsj CID
- J-1352461-2
- Molecular Formula
- C10H9ClN2O2S
- Chinese Name
- 4-(1-甲基-1H-吡唑-3-基)苯磺酰氯
- Molecular Weight
- 256.70900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 89.5-91ºC |
|---|---|
| Boiling Point | 397.1ºC at 760 mmHg |
| Density | 1.41g/cm3 |
Frequently Asked Questions
What is the CAS number of 4-(1-methyl-1H-pyrazol-3-yl)benzenesulfonyl chloride?
The CAS number of 4-(1-methyl-1H-pyrazol-3-yl)benzenesulfonyl chloride is 916766-81-9.
What are the molecular formula and molecular weight of 4-(1-methyl-1H-pyrazol-3-yl)benzenesulfonyl chloride?
4-(1-methyl-1H-pyrazol-3-yl)benzenesulfonyl chloride has molecular formula C10H9ClN2O2S and molecular weight 256.70900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(1-methyl-1H-pyrazol-3-yl)benzenesulfonyl chloride (CAS 916766-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1352461-2 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.