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Ethyl 3-aminothieno[2,3-b]pyridine-2-carboxylate

Also known as: 3-Aminothieno[2,3-b]pyridine-2-carboxylic acid ethyl ester, Ethyl 3-aminopyrido[3,2-b]thiophene-2-carboxylate, AKOS 94297, Thieno[2,3-b]pyridine-2-carboxylic acid, 3-amino-, ethyl ester, 3-Amino-thieno[2,3-b]pyridine-2-carboxylic acid ethyl ester

Ethyl 3-aminothieno[2,3-b]pyridine-2-carboxylate (CAS 52505-46-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10N2O2S and a molecular weight of 222.26400 g/mol. Key properties include a melting point of 183ºC, a boiling point of 386.034ºC at 760 mmHg, a density of 1.364g/cm3 and a flash point of 187.267ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
52505-46-1
Jingsj CID
J-1170341-6
Molecular Formula
C10H10N2O2S
Molecular Weight
222.26400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point183ºC
Boiling Point386.034ºC at 760 mmHg
Density1.364g/cm3
Flash Point187.267ºC
Exact Mass222.04600
PSA93.45000
LogP2.63640
Refractive Index1.675
Storage Conditions2-8°C

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 3-aminothieno[2,3-b]pyridine-2-carboxylate?

The CAS number of Ethyl 3-aminothieno[2,3-b]pyridine-2-carboxylate is 52505-46-1.

What are the molecular formula and molecular weight of Ethyl 3-aminothieno[2,3-b]pyridine-2-carboxylate?

Ethyl 3-aminothieno[2,3-b]pyridine-2-carboxylate has molecular formula C10H10N2O2S and molecular weight 222.26400 g/mol.

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 3-aminothieno[2,3-b]pyridine-2-carboxylate (CAS 52505-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1170341-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.