5-ethyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid

5-乙基-4-(1-甲基-1H-吡唑-5-基)-2-噻吩甲酸

5-ethyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (CAS 1047645-91-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O2S and a molecular weight of 236.29 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1047645-91-9
Jingsj CID: J-990802-8
Molecular Formula: C₁₁H₁₂N₂O₂S
Chinese Name: 5-乙基-4-(1-甲基-1H-吡唑-5-基)-2-噻吩甲酸
Molecular Weight: 236.29 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-ethyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid?

The CAS number of 5-ethyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid is 1047645-91-9.

What are the molecular formula and molecular weight of 5-ethyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid?

5-ethyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid has molecular formula C11H12N2O2S and molecular weight 236.29 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-ethyl-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (CAS 1047645-91-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-990802-8 (accessed 2026-10-23).

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