2,3-Thiophenedicarboxylic anhydride
Also known as: Thieno[2,3-c]furan-4,6-dione, 2,3-thiophenedicarboxylic anhydride, thiophene-2,3-dicarboxylic acid anhydride, thiophene-2,3-dicarboxylic anhydride
2,3-Thiophenedicarboxylic anhydride (CAS 6007-83-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2O3S and a molecular weight of 154.14300 g/mol. Key properties include a melting point of 140-144°C, a boiling point of 306.4ºC at 760 mmHg, a density of 1.674g/cm3 and a flash point of 139.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6007-83-6
- Jingsj CID
- J-1002294-3
- Molecular Formula
- C6H2O3S
- Molecular Weight
- 154.14300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 140-144°C |
|---|---|
| Boiling Point | 306.4ºC at 760 mmHg |
| Density | 1.674g/cm3 |
| Flash Point | 139.1ºC |
| Exact Mass | 153.97200 |
| PSA | 71.61000 |
| LogP | 1.05870 |
| Refractive Index | 1.662 |
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 2,3-Thiophenedicarboxylic anhydride?
The CAS number of 2,3-Thiophenedicarboxylic anhydride is 6007-83-6.
What are the molecular formula and molecular weight of 2,3-Thiophenedicarboxylic anhydride?
2,3-Thiophenedicarboxylic anhydride has molecular formula C6H2O3S and molecular weight 154.14300 g/mol.
What are the upstream and downstream products of 2,3-Thiophenedicarboxylic anhydride?
For 2,3-Thiophenedicarboxylic anhydride, Upstream Products: Thiophene-2,3-dicarboxylic acid; Downstream Products: Benzo[1,2-b:4,5-b']dithiophene-4,8-dione, 4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one, 6-Methylbenzo[b]thiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Thiophenedicarboxylic anhydride (CAS 6007-83-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002294-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.