Thieno[2,3-b]thiophene-2-carboxylic acid
噻吩并[2,3-b]噻吩-2-羧酸
Also known as: thieno[2,3-b]thiophene-5-carboxylic acid, 2-thieno[2,3-b]thiophenecarboxylic acid, Thieno[2,3-b]thiophene-2-carboxylicacid
Thieno[2,3-b]thiophene-2-carboxylic acid (CAS 14756-75-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4O2S2 and a molecular weight of 184.236 g/mol. It is also known as thieno[2,3-b]thiophene-5-carboxylic acid, 2-thieno[2,3-b]thiophenecarboxylic acid and Thieno[2,3-b]thiophene-2-carboxylicacid. Key properties include a melting point of 236ºC, a boiling point of 389.5±22.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 189.4±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14756-75-3
- Jingsj CID
- J-1330808-3
- Molecular Formula
- C7H4O2S2
- Chinese Name
- 噻吩并[2,3-b]噻吩-2-羧酸
- Molecular Weight
- 184.236 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 236ºC |
|---|---|
| Boiling Point | 389.5±22.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 189.4±22.3 °C |
Frequently Asked Questions
What is the CAS number of Thieno[2,3-b]thiophene-2-carboxylic acid?
The CAS number of Thieno[2,3-b]thiophene-2-carboxylic acid is 14756-75-3.
What are the molecular formula and molecular weight of Thieno[2,3-b]thiophene-2-carboxylic acid?
Thieno[2,3-b]thiophene-2-carboxylic acid has molecular formula C7H4O2S2 and molecular weight 184.236 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Thieno[2,3-b]thiophene-2-carboxylic acid (CAS 14756-75-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1330808-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.