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

CAS NO.：52378-40-2
Empirical Formula: C10H15N5S2
Molecular Weight: 269.39
MDL number: MFCD09751289
EINECS: 257-889-5
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 01:16:13

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

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

N-Cyano-N’-[2-[(4-methyl-5-imidazolyl)methylthio]ethyl]-S-methylisothiourea (Cimetidine EP Impurity A) is a Cimetidine (C441650) related impurity. Cimetidine (C441650), a competitive histamine H2-receptor antagonist which inhibits gastric acid secretion and reduces pepsin output. Also used in the preparation of histamine H2 receptor antagonists.

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

Melting point:	148-150℃
Boiling point:	501.5±60.0 °C(Predicted)
Density	1.29±0.1 g/cm3(Predicted)
storage temp.	Amber Vial, -20°C Freezer, Under inert atmosphere
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
pka	14.11±0.10(Predicted)
color	Yellow
Stability:	Light Sensitive

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

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

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