chloral betaine chloral betaine chloral betaine (usan, ban) (brand names beta-chlor, somilan), also known as cloral betaine (inn), is a sedative-hypnotic drug. it was introduced by mead johnson in the united states in 1963. it is a betaine complex with chloral hydrate, which acts as an extended-acting formulation of chloral hydrate which is then metabolized into trichloroethanol, which is responsible for most or all of its effects. chloral betaineclinical dataroutes ofadministrationoralatc codenonelegal statuslegal status us: schedule iv identifiers iupac name 2,2,2-trichloro-1,1-ethanediol : (trimethylammonio)acetate (1:1) cas number2218-68-0pubchem cid16676drugbankdb01494chemspider15813unii8680278nrhcomptox dashboard (epa)dtxsid20176716 echa infocard100.017.021 chemical and physical dataformulac7h14cl3no4molar mass282.54 g·mol−13d model (jsmol)interactive image smiles c(c)(c)cc(=o).c(c(cl)(cl)cl)(o)o inchi inchi=1s/c5h11no2.c2h3cl3o2/c1-6(2,3)4-5(7)8;3-2(4,5)1(6)7/h4h2,1-3h3;1,6-7hkey:onaoidnsinnzoa-uhfffaoysa-n