Ethyl 3-methylisothiazole-4-carboxylate

3-甲基异噻唑-4-羧酸乙酯

Also known as: Ethyl 3-methyl-1,2-thiazole-4-carboxylate, 4-Isothiazolecarboxylic acid, 3-methyl-, ethyl ester, 3-Methyl-4-isothiazolcarbonsaeureaethylester, 3-Methyl-isothiazol-carbonsaeure-(4)-aethylester, 3-Methyl-isothiazole-4-carboxylic acid ethyl ester, Ethyl-3-methyl-4-isothiazolcarboxylat, OR6401, 4-(Ethoxycarbonyl)-3-methyl-1,2-thiazole

Ethyl 3-methylisothiazole-4-carboxylate (CAS 15901-51-6) 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. It is also known as Ethyl 3-methyl-1,2-thiazole-4-carboxylate, 4-Isothiazolecarboxylic acid, 3-methyl-, ethyl ester and 3-Methyl-4-isothiazolcarbonsaeureaethylester. Key properties include a boiling point of 180.7±33.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 63.1±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

15901-51-6

Jingsj CID

J-1435961-9

Molecular Formula

C₇H₉NO₂S

Chinese Name

3-甲基异噻唑-4-羧酸乙酯

Molecular Weight

171.217 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026