has role has functional parent is conjugate base of carnitine 0 161.105 161.19894 3-hydroxy-4-(trimethylammonio)butanoate An amino-acid betaine that is butanoate substituted with a hydroxy group at position C-3 and a trimethylammonium group at C-4. Beilstein:1866665 C7H15NO3 CAS:461-06-3 CHEBI:11817 CHEBI:13947 CHEBI:17126 CHEBI:20047 CHEBI:23038 C[N+](C)(C)CC(O)CC([O-])=O D,L-carnitine DrugBank:DB02648 InChI=1S/C7H15NO3/c1-8(2,3)5-6(9)4-7(10)11/h6,9H,4-5H2,1-3H3 KEGG:C00487 MetaCyc:DL-CARNITINE PHIQHXFUZVPYII-UHFFFAOYSA-N PMID:22770225 PMID:23868375 Patent:US4255449 Patent:US4315944 Reaxys:1866665 Wikipedia:Carnitine carnitine chebi_ontology butyrate amino-acid betaine carnitinium mouse metabolite human metabolite