butanilicaine butanilicaine butanilicaine is a local anesthetic. it is also known by the name hostacaine. butanilicaine names iupac name n2-butyl-n1-(2-chloro-6-methylphenyl)glycinamide systematic iupac name 2-(butylamino)-n-(2-chloro-6-methylphenyl)acetamide identifiers cas number 3785-21-5 n 3d model (jsmol) interactive image chebi chebi:55518 y chembl chembl2104238 n chemspider 21004 y pubchem cid 22379 unii 7x3wv51f4n y comptox dashboard (epa) dtxsid90191279 inchi inchi=1s/c13h19cln2o/c1-3-4-8-15-9-12(17)16-13-10(2)6-5-7-11(13)14/h5-7,15h,3-4,8-9h2,1-2h3,(h,16,17) ykey: vwyqkfllgrbicz-uhfffaoysa-n yinchi=1/c13h19cln2o/c1-3-4-8-15-9-12(17)16-13-10(2)6-5-7-11(13)14/h5-7,15h,3-4,8-9h2,1-2h3,(h,16,17)key: vwyqkfllgrbicz-uhfffaoyaq smiles ccccncc(=o)nc1=c(c=cc=c1cl)c properties chemical formula c13h19cln2o molar mass 254.75576 pharmacology atc code n01bb05 (who) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references synthesis thieme synthesis: patents: the amide formation between 2-chloro-6-methylaniline (1) and chloroacetyl chloride (2) gives 2-chloro-n-(2-chloro-6-methylphenyl)acetamide (3). alkylation with n-butylamine (4) completed the synthesis of butanilicaine (5).