Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate

Also known as: Ethyl 2-amino-4,5-dimethyl-3-thiophenecarboxylate, 2-Amino-4,5-dimethyl-thiophene-3-carboxylic acid ethyl ester, 2-Amino-4,5-dimethylthiophene-3-carboxylic acid ethyl ester, 3-Thiophenecarboxylic acid, 2-amino-4,5-dimethyl-, ethyl ester, NSC 86908, IFLAB-BB F0777-0822, ART-CHEM-BB B000515, AURORA 4294, BUTTPARK 30\06-10, AKOS MSC-0423, MFCD00085051

Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate (CAS 4815-24-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H13NO2S and a molecular weight of 199.270 g/mol. Key properties include a melting point of 90 °C, a boiling point of 302.9±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 137.0±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4815-24-1
Jingsj CID: J-47434-0
Molecular Formula: C₉H₁₃NO₂S
Molecular Weight: 199.270 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	90 °C
Boiling Point	302.9±37.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	137.0±26.5 °C
Exact Mass	199.066696
PSA	80.56000
LogP	3.80
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.567

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-amino-4,5-dimethylthiophene-3-carboxylate?

The CAS number of Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate is 4815-24-1.

What are the molecular formula and molecular weight of Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate?

Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate has molecular formula C9H13NO2S and molecular weight 199.270 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate (CAS 4815-24-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47434-0 (accessed 2026-11-09).

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