has role is conjugate acid of tryptamine ammonium ion tryptaminium 161.22310 2-(1H-indol-3-yl)ethanaminium APJYDQYYACXCRM-UHFFFAOYSA-O An ammonium ion that is the conjugate acid of tryptamine arising from protonation of the primary amino group; major species at pH 7.3. C10H13N2 CHEBI:57887 Gmelin:533978 InChI=1S/C10H12N2/c11-6-5-8-7-12-10-4-2-1-3-9(8)10/h1-4,7,12H,5-6,11H2/p+1 [NH3+]CCc1c[nH]c2ccccc12 chebi_ontology tryptamine tryptaminium cation tryptaminium(1+) mouse metabolite plant metabolite human metabolite