Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate

5-氨基-3-甲基-2,4-噻吩二羧酸二乙酯

Also known as: 2-Amino-3,5-bis(ethoxycarbonyl)-4-methylthiophene, Diethyl 2-amino-4-methylthiophene-3,5-dicarboxylate, 5-Amino-3-methyl-2,4-thiophenedicarboxylic acid diethyl ester, Diethyl 5-amino-3-methylthiophene-2,4-dicarboxylate, EINECS 225-388-0, MFCD00005450

Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate (CAS 4815-30-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H15NO4S and a molecular weight of 257.30600 g/mol. It is also known as 2-Amino-3,5-bis(ethoxycarbonyl)-4-methylthiophene, Diethyl 2-amino-4-methylthiophene-3,5-dicarboxylate and 5-Amino-3-methyl-2,4-thiophenedicarboxylic acid diethyl ester. Key properties include a melting point of 105-108 °C(lit.), a boiling point of 372.6ºC at 760 mmHg, a density of 1.247 g/cm3 and a flash point of 179.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4815-30-9

Jingsj CID

J-20610-9

Molecular Formula

C₁₁H₁₅NO₄S

Chinese Name

5-氨基-3-甲基-2,4-噻吩二羧酸二乙酯

Molecular Weight

257.30600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026