4-(3-ethylphenyl)-3-thiophen-2-yl-1H-quinolin-2-one

4-(3-乙基苯基)-3-(噻吩-2-基)-1H-喹啉-2-酮

4-(3-ethylphenyl)-3-thiophen-2-yl-1H-quinolin-2-one (CAS 1263051-83-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H17NOS and a molecular weight of 331.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1263051-83-7
Jingsj CID: J-1285683-3
Molecular Formula: C₂₁H₁₇NOS
Chinese Name: 4-(3-乙基苯基)-3-(噻吩-2-基)-1H-喹啉-2-酮
Molecular Weight: 331.4 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-(3-ethylphenyl)-3-thiophen-2-yl-1H-quinolin-2-one?

The CAS number of 4-(3-ethylphenyl)-3-thiophen-2-yl-1H-quinolin-2-one is 1263051-83-7.

What are the molecular formula and molecular weight of 4-(3-ethylphenyl)-3-thiophen-2-yl-1H-quinolin-2-one?

4-(3-ethylphenyl)-3-thiophen-2-yl-1H-quinolin-2-one has molecular formula C21H17NOS and molecular weight 331.4 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. "4-(3-ethylphenyl)-3-thiophen-2-yl-1H-quinolin-2-one (CAS 1263051-83-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1285683-3 (accessed 2026-10-25).

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