HCN 85247 214199372 2008-05-22T14:52:38Z PipepBot 4984067 robot Adding: [[ko:HCN]] '''HCN''' may refer to: * [[Hydrogen cyanide]], which has the [[chemical formula]] ''HCN'' * [[Highly composite number]], a type of [[integer]] * [[Headcorn railway station]], that has British National Rail code ''HCN'' * [[Halcyon Air/Bissau Airways]] , that has [[ICAO]] code ''HCN'' * the [[International Air Transport Association airport code|IATA airport code]] of [[Hengchun Airport]] * [[Cyclic nucleotide-gated ion channel]], the type of molecule that mediates the h-current in [[neurons]]. {{disambig}} [[eo:HCN]] [[fr:HCN]] [[ko:HCN]] [[it:HCN]]