Term Name: quaternary ammonium salt
Synonyms: quaternary ammonium compound, quaternary ammonium compounds, quaternary ammonium salt, quaternary ammonium salts
Definition: Derivatives of ammonium compounds, (NH4+)Y−, in which all four of the hydrogens bonded to nitrogen have been replaced with univalent (usually organyl) groups.
Ontology: ChEBI [CHEBI:35273]  ( EBI )

Relationships
is a type of: organoammonium salt quaternary nitrogen compound
has subtype: (1R,2S,1'R,2'S)-doxacurium chloride (1S,2R,1'S,2'R)-doxacurium chloride (11)C-choline chloride (R)-oleoylcarnitine hydrochloride 1,1'-hexadecane-1,16-diylbis(1-methylpyrrolidinium) dibromide 1,1-dimethyl-4-phenylpiperazinium iodide 2,4-D choline 2-({2-[Dimethyl(2-phosphanylethyl)ammonio]ethyl}dimethylammonio)ethyl phosphinite 4-DAMP methiodide acetyl-beta-methylthiocholine iodide acetylcholine bromide acetylcholine chloride aclidinium bromide ambenonium chloride anisotropine methylbromide Arachidonyl carnitine atracurium besylate benzalkonium chloride benzethonium chloride benzododecinium bromide benzododecinium chloride benzoquinonium dibromide Betaine Aldehyde Chloride bethanechol chloride bretylium tosylate butropium bromide butylscopolamine bromide carpronium chloride cetyltrimethylammonium bromide cetyltrimethylammonium chloride chlormequat chloride choline chloride cisatracurium besylate clidinium bromide colesevelam decamethoxine decyltrimethylammonium bromide demecarium bromide Didecyldimethylammonium dimethylindole red Dioctyldimethylammonium chloride diphemanil methylsulfate Diponium bromide dodecyltrimethylammonium bromide DOSPA trifluoroacetate doxacurium chloride ecothiopate iodide edrophonium chloride ethyl green ethyltrimethylammonium iodide fluoromethylcholine (18F) FM 1-43 dye FM 4-64 dye glycopyrronium bromide Heptadecyl(hexadecyl)dimethylazanium hexafluronium Hexamethonium iodine green ipratropium chloride mepiquat chloride meso-doxacurium chloride methacholine chloride methyl green methyltrioctylammonium chloride Muscaridin N,N,N-Trimethylethenaminium Nervonyl carnitine octyltrimethylammonium bromide penotonium bromide pentamethonium bromide Polidronium chloride Polixetonium chloride poly(2-methacrylolyloxyethyltrimethylammonium chloride) macromolecule poly(diallyldimethylammonium chloride) macromolecule poly[3-(3'-N,N,N-triethylamino-1-propyloxy)-4-methylthiophene-2,5-diyl hydrochloride] macromolecule propyromazine bromide quaternium-15 quaternium-52 rezafungin acetate rocuronium bromide scopolamine methobromide sodium green tetrabutylammonium salt tetraethylammonium chloride tetramethylammonium bromide tetrapropylammonium bromide tetrapropylammonium perruthenate tiotropium bromide tiquizium bromide Trimethylcetylammonium pentachlorophenate trimethylphenylammonium hydroxide trospium chloride umeclidinium bromide vecuronium bromide Yo-Pro-1
has_part: quaternary ammonium ion