2-(thiophen-2-yl)quinoline-4-carboxylic acid

Also known as: 2-(2-thienyl)quinoline-4-carboxylic acid, 2-(2-thienyl)-4-quinolinecarboxylic acid, 2-thien-2-ylquinoline-4-carboxylic acid, 2-thiophen-2-yl-quinoline-4-carboxylic acid, 2-thiophen-2-ylquinoline-4-carboxylic acid, 2-[2-Thienyl]cinchoninic acid, 2-[2]Thienyl-chinolin-4-carbonsaeure, AKOS B000575, AKOS BB-9096, AKOS BBS-00000715, IFLAB-BB F0239-1084, MFCD00178258, TIMTEC-BB SBB007348

2-(thiophen-2-yl)quinoline-4-carboxylic acid (CAS 31792-47-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H9NO2S and a molecular weight of 255.29200 g/mol. Key properties include a boiling point of 458.1ºC at 760mmHg and a flash point of 230.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31792-47-9
Jingsj CID: J-1452037-7
Molecular Formula: C₁₄H₉NO₂S
Molecular Weight: 255.29200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	458.1ºC at 760mmHg
Flash Point	230.8ºC
Exact Mass	255.03500
PSA	78.43000
LogP	3.66150
Refractive Index	1.712

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-(thiophen-2-yl)quinoline-4-carboxylic acid?

The CAS number of 2-(thiophen-2-yl)quinoline-4-carboxylic acid is 31792-47-9.

What are the molecular formula and molecular weight of 2-(thiophen-2-yl)quinoline-4-carboxylic acid?

2-(thiophen-2-yl)quinoline-4-carboxylic acid has molecular formula C14H9NO2S and molecular weight 255.29200 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-(thiophen-2-yl)quinoline-4-carboxylic acid (CAS 31792-47-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1452037-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.