1H-pyrazole-4-sulfonyl chloride
1H-吡唑-4-磺酰氯
Also known as: 4-Chlorosulfonylpyrazole, 1H-pyrazole-4-sulfonyl chloride, chloropyrazol-4-ylsulfone
1H-pyrazole-4-sulfonyl chloride (CAS 438630-64-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3ClN2O2S and a molecular weight of 166.58600 g/mol. It is also known as 4-Chlorosulfonylpyrazole and chloropyrazol-4-ylsulfone. Key properties include a boiling point of 364.2ºC at 760mmHg, a density of 1.706g/cm3 and a flash point of 174.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 438630-64-9
- Jingsj CID
- J-1034117-7
- Molecular Formula
- C3H3ClN2O2S
- Chinese Name
- 1H-吡唑-4-磺酰氯
- Molecular Weight
- 166.58600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 364.2ºC at 760mmHg |
|---|---|
| Density | 1.706g/cm3 |
| Flash Point | 174.1ºC |
Frequently Asked Questions
What is the CAS number of 1H-pyrazole-4-sulfonyl chloride?
The CAS number of 1H-pyrazole-4-sulfonyl chloride is 438630-64-9.
What are the molecular formula and molecular weight of 1H-pyrazole-4-sulfonyl chloride?
1H-pyrazole-4-sulfonyl chloride has molecular formula C3H3ClN2O2S and molecular weight 166.58600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-pyrazole-4-sulfonyl chloride (CAS 438630-64-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1034117-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.