2,5-Thiophenedicarboxylic acid dimethyl ester
Also known as: Dimethyl 2,5-thiophenedicarboxylate, Dimethyl thiophene-2,5-dicarboxylate, THIOPHENE-2,5-DICARBOXYLIC ACID DIMETHYL ESTER, 2,5-Bismethoxycarbonylthiophene, 1,1-dimethylthiophene-2,5-dicarboxylate, 2,5-diMethyl thiophene-2,5-dicarboxylate, dimethyl 2,5-thiophenedicarboxylate, thiophene-2,5-dicarboxylic acid dimethyl ester
2,5-Thiophenedicarboxylic acid dimethyl ester (CAS 4282-34-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8O4S and a molecular weight of 200.21200 g/mol. Key properties include a boiling point of 291.6ºC at 760 mmHg, a density of 1.294 g/cm3 and a flash point of 130.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4282-34-2
- Jingsj CID
- J-1041237-0
- Molecular Formula
- C8H8O4S
- Molecular Weight
- 200.21200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 291.6ºC at 760 mmHg |
|---|---|
| Density | 1.294 g/cm3 |
| Flash Point | 130.2ºC |
| Exact Mass | 200.01400 |
| PSA | 80.84000 |
| LogP | 1.32130 |
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 2,5-Thiophenedicarboxylic acid dimethyl ester?
The CAS number of 2,5-Thiophenedicarboxylic acid dimethyl ester is 4282-34-2.
What are the molecular formula and molecular weight of 2,5-Thiophenedicarboxylic acid dimethyl ester?
2,5-Thiophenedicarboxylic acid dimethyl ester has molecular formula C8H8O4S and molecular weight 200.21200 g/mol.
What are the upstream and downstream products of 2,5-Thiophenedicarboxylic acid dimethyl ester?
For 2,5-Thiophenedicarboxylic acid dimethyl ester, Upstream Products: Methanol, thiophene-2,5-dicarboxylic acid, 2,5-Dibromothiophene; Downstream Products: 5-(Methoxycarbonyl)thiophene-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Thiophenedicarboxylic acid dimethyl ester (CAS 4282-34-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1041237-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.