1-Ethylpiperazine is a heterocyclic organic compound containing secondary and tertiary amine as functional groups. Its structure can be considered as a derivative of piperazine, in which one hydrogen atom present at the first position of the heterocyclic ring having imino group is substituted with one ethyl group.
E 1640 (OTTO) Ethylpiperazine, 99% Cas 5308-25-8 - used in the preparation of 2-(2-methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1H-benzo[d]imidazole hydrochloride and 2-(5-((4-ethylpiperazin-1-yl)sulfonyl)-2-methoxyphenyl)-1H-benzo[d]imidazole hydrochloride.