Diethyl 2-[[(1,3-dimethyl-1H-pyrazol-5-yl)amino]methylidene]malonate

2-{[(1,3-二甲基-1H-吡唑-5-基)氨基]亚甲基}丙二酸二乙酯

Also known as: 1,3-diethyl 2-{[(1,3-dimethyl-1H-pyrazol-5-yl)amino]methylidene}propanedioate, 2-[[(2,5-dimethyl-3-pyrazolyl)amino]methylidene]propanedioic acid diethyl ester, Diethyl 2-((1,3-dimethyl-1H-pyrazol-5-ylamino)methylene)malonate, Ethyl 3-(1,3-dimethylpyrazol-5-ylamino)-2-(ethoxycarbonyl)acrylate, Propanedioic acid, 2-[[(1,3-dimethyl-1H-pyrazol-5-yl)amino]methylene]-, 1,3-diethyl ester, diethyl 2-[[(2,5-dimethylpyrazol-3-yl)amino]methylidene]propanedioate, diethyl 2-{[(1,3-dimethyl-1H-pyrazol-5-yl)amino]methylene}malonate

Diethyl 2-[[(1,3-dimethyl-1H-pyrazol-5-yl)amino]methylidene]malonate (CAS 20481-33-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H19N3O4 and a molecular weight of 281.30800 g/mol. It is also known as 1,3-diethyl 2-{[(1,3-dimethyl-1H-pyrazol-5-yl)amino]methylidene}propanedioate, 2-[[(2,5-dimethyl-3-pyrazolyl)amino]methylidene]propanedioic acid diethyl ester and Diethyl 2-((1,3-dimethyl-1H-pyrazol-5-ylamino)methylene)malonate. Key properties include a melting point of 85ºC, a boiling point of 366.7ºC at 760mmHg, a density of 1.18g/cm3 and a flash point of 175.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20481-33-8

Jingsj CID

J-1495525-1

Molecular Formula

C₁₃H₁₉N₃O₄

Chinese Name

2-{[(1,3-二甲基-1H-吡唑-5-基)氨基]亚甲基}丙二酸二乙酯

Molecular Weight

281.30800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026