Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate
Also known as: 7-Aminothieno[2,3-b]pyrazine-6-carboxylic acid ethyl ester, Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate, 97+%, Thieno[2,3-b]pyrazine-6-carboxylic acid, 7-amino-, ethyl ester
Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate (CAS 56881-21-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9N3O2S and a molecular weight of 223.25200 g/mol. Key property: a melting point of 119.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 56881-21-1
- Jingsj CID
- J-1437824-6
- Molecular Formula
- C9H9N3O2S
- Molecular Weight
- 223.25200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 119.5ºC |
|---|---|
| Exact Mass | 223.04200 |
| PSA | 106.34000 |
| LogP | 2.03140 |
| Storage Conditions | 2-8°C |
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 Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate?
The CAS number of Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate is 56881-21-1.
What are the molecular formula and molecular weight of Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate?
Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate has molecular formula C9H9N3O2S and molecular weight 223.25200 g/mol.
What are the upstream and downstream products of Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate?
For Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate, Upstream Products: Ethyl thioglycolate, 3-Chloropyrazine-2-carbonitrile; Downstream Products: 7-aminothieno[2,3-b]pyrazine-6-carboxylic acid, Thieno[2,3-b]pyrazine, 7-Chlorothieno[2,3-b]pyrazine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 7-aminothieno[2,3-b]pyrazine-6-carboxylate (CAS 56881-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1437824-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.