5-tert-butylbenzo[b]thiophene-2-carboxylic acid

5-(叔丁基)苯并[B]噻吩-2-羧酸

Also known as: 5-(1,1-Dimethylethyl)benzo[b]thiophene-2-carboxylic acid, 5-(TERT-BUTYL)BENZO[B]THIOPHENE-2-CARBOXYLIC ACID, 5-tert-butyl-1-benzothiophene-2-carboxylic acid, benzo[b]thiophene-2-carboxylic acid, 5-(1,1-dimethylethyl), 5-tert-butylbenzothiophene-2-carboxylic acid

5-tert-butylbenzo[b]thiophene-2-carboxylic acid (CAS 126231-21-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H14O2S and a molecular weight of 234.32 g/mol. It is also known as 5-(1,1-Dimethylethyl)benzo[b]thiophene-2-carboxylic acid, 5-(TERT-BUTYL)BENZO[B]THIOPHENE-2-CARBOXYLIC ACID and 5-tert-butyl-1-benzothiophene-2-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 126231-21-8
Jingsj CID: J-1552411-9
Molecular Formula: C₁₃H₁₄O₂S
Chinese Name: 5-(叔丁基)苯并[B]噻吩-2-羧酸
Molecular Weight: 234.32 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-tert-butylbenzo[b]thiophene-2-carboxylic acid?

The CAS number of 5-tert-butylbenzo[b]thiophene-2-carboxylic acid is 126231-21-8.

What are the molecular formula and molecular weight of 5-tert-butylbenzo[b]thiophene-2-carboxylic acid?

5-tert-butylbenzo[b]thiophene-2-carboxylic acid has molecular formula C13H14O2S and molecular weight 234.32 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-tert-butylbenzo[b]thiophene-2-carboxylic acid (CAS 126231-21-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1552411-9 (accessed 2026-10-24).

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