Ethyl 2-aminothiophene-3-carboxylate
Also known as: Ethyl 2-amino-3-thiophenecarboxylate, 2-Aminothiophene-3-carboxylic acid ethyl ester, 2-Amino-3-carboethoxythiophene, 2-Amino-3-ethoxycarbonylthiophene, 3-Thiophenecarboxylic acid, 2-amino-, ethyl ester, MFCD01566303
Ethyl 2-aminothiophene-3-carboxylate (CAS 31891-06-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2S and a molecular weight of 171.217 g/mol. Key properties include a melting point of 42ºC, a boiling point of 273.6±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 119.3±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31891-06-2
- Jingsj CID
- J-1492514-5
- Molecular Formula
- C7H9NO2S
- Molecular Weight
- 171.217 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 42ºC |
|---|---|
| Boiling Point | 273.6±20.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 119.3±21.8 °C |
| Exact Mass | 171.035400 |
| PSA | 80.56000 |
| LogP | 2.88 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.582 |
| 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 2-aminothiophene-3-carboxylate?
The CAS number of Ethyl 2-aminothiophene-3-carboxylate is 31891-06-2.
What are the molecular formula and molecular weight of Ethyl 2-aminothiophene-3-carboxylate?
Ethyl 2-aminothiophene-3-carboxylate has molecular formula C7H9NO2S and molecular weight 171.217 g/mol.
What are the upstream and downstream products of Ethyl 2-aminothiophene-3-carboxylate?
For Ethyl 2-aminothiophene-3-carboxylate, Upstream Products: 1,4-Dithiane-2,5-diol, Ethyl cyanoacetate, Methanol; Downstream Products: 2-Aminothiophene-3-carboxylic acid, 2-(Methylthio)thieno[2,3-d]pyrimidin-4(1H)-one, 2-Methylthieno[2,3-d]pyrimidin-4(3H)-one.
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 2-aminothiophene-3-carboxylate (CAS 31891-06-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492514-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.