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more general categories information about this item 03. Biological Effects of Specific Chemicals 03. Biological Effects of Specific Chemicals pharmacological uses [CHEBI:52210] (736) neurotransmitter agent [CHEBI:35942] (471) histaminergic drug [CHEBI:37957] (94) histamine antagonist [CHEBI:37956] (87) H1-receptor antagonist [CHEBI:37955] (57) diphenhydramine hydrochloride [CHEBI:4637] (1) cholinergic drug [CHEBI:38323] (108) cholinergic antagonist [CHEBI:48873] (84) muscarinic antagonist [CHEBI:48876] (61) diphenhydramine hydrochloride [CHEBI:4637] (1) 05. Industrial Uses 05. Industrial Uses pharmaceutical [CHEBI:52217] (1978) drug [CHEBI:23888] (1930) anaesthetic [CHEBI:38867] (64) local anaesthetic [CHEBI:36333] (35) diphenhydramine hydrochloride [CHEBI:4637] (1) central nervous system drug [CHEBI:35470] (217) central nervous system depressant [CHEBI:35488] (90) sedative [CHEBI:35717] (43) diphenhydramine hydrochloride [CHEBI:4637] (1) dermatologic drug [CHEBI:50177] (49) antipruritic drug [CHEBI:59683] (18) diphenhydramine hydrochloride [CHEBI:4637] (1) anti-allergic agent [CHEBI:50857] (51) diphenhydramine hydrochloride [CHEBI:4637] (1) antiemetic [CHEBI:50919] (41) diphenhydramine hydrochloride [CHEBI:4637] (1) antidyskinesia agent [CHEBI:66956] (43) antiparkinson drug [CHEBI:48407] (41) diphenhydramine hydrochloride [CHEBI:4637] (1) 08. Chemical Category 08. Chemical Category main group molecular entity [CHEBI:33579] (25650) p-block molecular entity [CHEBI:33675] (25343) halogen molecular entity [CHEBI:24471] (1475) chlorine molecular entity [CHEBI:23117] (884) chloride salt [CHEBI:23114] (326) organic chloride salt [CHEBI:36094] (294) hydrochloride [CHEBI:36807] (240) diphenhydramine hydrochloride [CHEBI:4637] (1) halide [CHEBI:37578] (1402) halide salt [CHEBI:33958] (423) chloride salt [CHEBI:23114] (326) organic chloride salt [CHEBI:36094] (294) hydrochloride [CHEBI:36807] (240) diphenhydramine hydrochloride [CHEBI:4637] (1) pnictogen molecular entity [CHEBI:33302] (10027) nitrogen molecular entity [CHEBI:51143] (7930) ammonium compound [CHEBI:35276] (129) organoammonium salt [CHEBI:46850] (104) diphenhydramine hydrochloride [CHEBI:4637] (1) polyatomic entity [CHEBI:36357] (18777) heteroatomic molecular entity [CHEBI:37577] (13672) salt [CHEBI:24866] (931) organic salt [CHEBI:24868] (775) organic halide salt [CHEBI:51069] (386) organic chloride salt [CHEBI:36094] (294) hydrochloride [CHEBI:36807] (240) diphenhydramine hydrochloride [CHEBI:4637] (1) halide salt [CHEBI:33958] (423) chloride salt [CHEBI:23114] (326) organic chloride salt [CHEBI:36094] (294) hydrochloride [CHEBI:36807] (240) diphenhydramine hydrochloride [CHEBI:4637] (1) halide [CHEBI:37578] (1402) halide salt [CHEBI:33958] (423) chloride salt [CHEBI:23114] (326) organic chloride salt [CHEBI:36094] (294) hydrochloride [CHEBI:36807] (240) diphenhydramine hydrochloride [CHEBI:4637] (1) ChEBI Compound Accession Identifier: [CHEBI:4637] ChEBI Compound Description: The hydrochloride salt of diphenhydramine. ChEBI Compound Identification Number: 4637 ChEBI InChI Value: "InChI=1S/C17H21NO.ClH/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;/h3-12,17H,13-14H2,1-2H3;1H" ChEBI InChIKey Value: PCHPORCSPXIHLZ-UHFFFAOYSA-N ChEBI Compound Name: diphenhydramine hydrochloride ChEBI SMILES Value: [Cl-].C[NH+](C)CCOC(c1ccccc1)c1ccccc1 ChEBI Substance ID: 99319095 ChEBI URL: ChEBI:4637 ChemSpider ID: NS Ontomatica Chemical Accession Key (OnChAKey): PCHPORCSPXIHLZ_UHFFFAOYSA_N_000_000000 PubChem Compound ID: 43833360