[′sis·tə‚mēn] (organic chemistry) (CH2)6N4 A white, crystalline powder, melting at 280°C; used to make synthetic resins. Also known as aminiform; crystogen; cystamine methenamine; hexamethylene tetramine; urotropin.
cystamine
cys·ta·mine
(sis'tă-mēn), Decarboxycystine; forms when cystine is distilled. The disulfide of cysteamine.