N-Cyano-N-[2-(5-methylimidazole-4-methylthio)ethyl]-S-methyl isothiourea

西咪替丁二缩物

Also known as: Cimetidine EP impurity A, methyl N-cyano-N'-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfanyl]ethyl]carbamimidothioate, N-cyano-N'-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]carbamimidothioic acid methyl ester, N-Cyano-N'-[2-[(4-methyl-5-imidazolyl)methylthio]ethyl]-S-methylisothiourea, N-Cyano-N'-[2-[[(5-methyl-4-imidazolyl)methyl]thio]ethyl]-S-methylisothiourea, N1-[2-[(5-Methyl-1H-imidazole-4-yl)methylthio]ethyl]-N2-cyano(methylthio)methanamidine, 2-Methyl-1-cyano-3-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]isothiourea, S-Methyl-N-cyano-N'-[2-[(5-methyl-1H-imidazol-4-yl)methylthio]ethyl]isothiourea, EINECS 257-889-5

N-Cyano-N-[2-(5-methylimidazole-4-methylthio)ethyl]-S-methyl isothiourea (CAS 52378-40-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H17N5OS2 and a molecular weight of 287.40500 g/mol. It is also known as Cimetidine EP impurity A, methyl N-cyano-N'-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfanyl]ethyl]carbamimidothioate and N-cyano-N'-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]carbamimidothioic acid methyl ester. Key properties include a melting point of 148-150°C (lit.), a boiling point of 501.5ºC at 760mmHg, a density of 1.29g/cm3 and a flash point of 257.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52378-40-2

Jingsj CID

J-1325812-2

Molecular Formula

C₁₀H₁₇N₅OS₂

Chinese Name

西咪替丁二缩物

Molecular Weight

287.40500 g/mol

Category

Organic Compounds

Last updated

8/21/2026