5-(3-Thienyl)thiophene-2-carboxylic acid
Also known as: 2,3'-bithiophene-5-carboxylic acid, [2,3']bithiophenyl-5-carboxylic acid, 5-(3-thienyl)-2-thiophenecarboxylic acid, 5-(3-thiophenyl)-2-thiophenecarboxylic acid, 5-thiophen-3-ylthiophene-2-carboxylic acid, AKOS BAR-1373, IFLAB-BB F1956-0002
5-(3-Thienyl)thiophene-2-carboxylic acid (CAS 60141-31-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6O2S2 and a molecular weight of 210.27300 g/mol. Key properties include a melting point of 188-190ºC, a boiling point of 364.9ºC at 760 mmHg, a density of 1.438g/cm3 and a flash point of 174.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 60141-31-3
- Jingsj CID
- J-1359952-5
- Molecular Formula
- C9H6O2S2
- Molecular Weight
- 210.27300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 188-190ºC |
|---|---|
| Boiling Point | 364.9ºC at 760 mmHg |
| Density | 1.438g/cm3 |
| Flash Point | 174.5ºC |
| Exact Mass | 209.98100 |
| PSA | 93.78000 |
| LogP | 3.17480 |
| Refractive Index | 1.668 |
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 5-(3-Thienyl)thiophene-2-carboxylic acid?
The CAS number of 5-(3-Thienyl)thiophene-2-carboxylic acid is 60141-31-3.
What are the molecular formula and molecular weight of 5-(3-Thienyl)thiophene-2-carboxylic acid?
5-(3-Thienyl)thiophene-2-carboxylic acid has molecular formula C9H6O2S2 and molecular weight 210.27300 g/mol.
What are the upstream and downstream products of 5-(3-Thienyl)thiophene-2-carboxylic acid?
For 5-(3-Thienyl)thiophene-2-carboxylic acid, Upstream Products: Methyl 5-bromothiophene-2-carboxylate, 5-Bromo-2-thiophenecarboxylic acid, 5-Bromothiophene-2-carbonyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(3-Thienyl)thiophene-2-carboxylic acid (CAS 60141-31-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359952-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.