EINECS: 257-232-2
Molecular Formula: C₁₀H₁₆N₆S
Synonyms: Cimetidine Type A/ AB; Clotrimazole; CB4229414; cimetidine A/AB; FPF 1002; Cimetidin AB; Cimetidine Form AB; Cimetidine Type AB/Type A; CIMETIDINE USP24; Guanidine, N-cyano-N-methyl-N-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio) ethyl)-; Guanidine, N-cyano-N-methyl-N-[2-[[ (5-methyl-1H-imidazol-4-yl)methyl]thio] ethyl]-; Acinil; Ulcimet; 1-Cyano-2-methyl-3-(2-(((5-methyl-4-imidazolyl)methyl)thio)ethyl)guanidine; Metracin; Histodil; Prestwick_65;
Appearance: White crystals with a slight sulfur-mercaptan odor.
Molecular Weight: 252.34
Density: 1.27g/cm3
Boiling Point: 488°Cat760mmHg
Melting Point: 139-144°C
Flash Point: 248.9°C
Storage Temperature: 2-8°C
Solubility: 0.5 g/100 mL at 20 oC
Biological Activity: Widely used H 2 histamine antagonist which has more recently been described as an inverse agonist. Also a potent I 1 imidazoline binding site ligand.
Stability: No data.
Usage: Competitive histamine H2-receptor antagonist which inhibits gastric acid secretion and reduces pepsin output