5-(3-methyl-1H-pyrazol-5-yl)thiophene-2-sulfonyl chloride

5-(3-甲基-1H-吡唑-5-基)噻吩-2-磺酰氯

5-(3-methyl-1H-pyrazol-5-yl)thiophene-2-sulfonyl chloride (CAS 1273553-52-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7ClN2O2S2 and a molecular weight of 262.7 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1273553-52-8
Jingsj CID: J-1966559-1
Molecular Formula: C₈H₇ClN₂O₂S₂
Chinese Name: 5-(3-甲基-1H-吡唑-5-基)噻吩-2-磺酰氯
Molecular Weight: 262.7 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-(3-methyl-1H-pyrazol-5-yl)thiophene-2-sulfonyl chloride?

The CAS number of 5-(3-methyl-1H-pyrazol-5-yl)thiophene-2-sulfonyl chloride is 1273553-52-8.

What are the molecular formula and molecular weight of 5-(3-methyl-1H-pyrazol-5-yl)thiophene-2-sulfonyl chloride?

5-(3-methyl-1H-pyrazol-5-yl)thiophene-2-sulfonyl chloride has molecular formula C8H7ClN2O2S2 and molecular weight 262.7 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5-(3-methyl-1H-pyrazol-5-yl)thiophene-2-sulfonyl chloride (CAS 1273553-52-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1966559-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.