4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid
4,5,6,7-四氢苯并[b]噻吩-2-羧酸
Also known as: 4,5,6,7-TETRAHYDRO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID, 4,5,6,7-Tetrahydro-1-benzothiophene-2-carboxylic acid, 2-Carboxy-4,5,6,7-tetrahydrobenzo[b]thiophene, 2-Carboxy-4,5,6,7-tetrahydro-1-benzothiophene, 4,5,6,7-tetrahydro-1-benzothiophene-2-carboxylate
4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid (CAS 40133-07-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10O2S and a molecular weight of 182.240 g/mol. It is also known as 4,5,6,7-TETRAHYDRO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID, 4,5,6,7-Tetrahydro-1-benzothiophene-2-carboxylic acid and 2-Carboxy-4,5,6,7-tetrahydrobenzo[b]thiophene. Key properties include a melting point of 196°C, a boiling point of 368.1±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 176.4±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40133-07-1
- Jingsj CID
- J-1437553-8
- Molecular Formula
- C9H10O2S
- Chinese Name
- 4,5,6,7-四氢苯并[b]噻吩-2-羧酸
- Molecular Weight
- 182.240 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 196°C |
|---|---|
| Boiling Point | 368.1±42.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 176.4±27.9 °C |
Frequently Asked Questions
What is the CAS number of 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid?
The CAS number of 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid is 40133-07-1.
What are the molecular formula and molecular weight of 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid?
4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid has molecular formula C9H10O2S and molecular weight 182.240 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid (CAS 40133-07-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1437553-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.