Methyl thieno[3,2-b]thiophene-2-carboxylate
Also known as: Thieno[3,2-b]thiophene-2-carboxylic acid methyl ester, Methyl thieno[3,2-b]thiophene-2-carboxylate, 97, Thieno[3,2-b]thiophene-2-carboxylic acid, methyl ester, Methyl thieno[3,2-b]thiophene-5-carboxylate, Thieno<3,2-b>thiophen-2-carbonsaeure-methylester
Methyl thieno[3,2-b]thiophene-2-carboxylate (CAS 98800-10-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6O2S2 and a molecular weight of 198.26200 g/mol. Key properties include a melting point of 93-95ºC, a boiling point of 306.1ºC at 760mmHg, a density of 1.412g/cm3 and a flash point of 138.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 98800-10-3
- Jingsj CID
- J-1069019-4
- Molecular Formula
- C8H6O2S2
- Molecular Weight
- 198.26200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 93-95ºC |
|---|---|
| Boiling Point | 306.1ºC at 760mmHg |
| Density | 1.412g/cm3 |
| Flash Point | 138.9ºC |
| Exact Mass | 197.98100 |
| PSA | 82.78000 |
| LogP | 2.74940 |
| Refractive Index | 1.673 |
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 Methyl thieno[3,2-b]thiophene-2-carboxylate?
The CAS number of Methyl thieno[3,2-b]thiophene-2-carboxylate is 98800-10-3.
What are the molecular formula and molecular weight of Methyl thieno[3,2-b]thiophene-2-carboxylate?
Methyl thieno[3,2-b]thiophene-2-carboxylate has molecular formula C8H6O2S2 and molecular weight 198.26200 g/mol.
What are the upstream and downstream products of Methyl thieno[3,2-b]thiophene-2-carboxylate?
For Methyl thieno[3,2-b]thiophene-2-carboxylate, Upstream Products: 2-Thiophenecarboxaldehyde, 3-Bromothiophene-2-carbaldehyde, Methanol; Downstream Products: Thieno[3,2-b]thiophene-2-carbaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl thieno[3,2-b]thiophene-2-carboxylate (CAS 98800-10-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1069019-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.