Hydroxyethylpromethazine

Hydroxyethylpromethazine
Clinical data
ATC code	R06AD05 (WHO) ;
Identifiers
	IUPAC name N-(2-hydroxyethyl)-N,N-dimethyl-1-(10H-; phenothiazin-10-yl)propan-2-aminium;
CAS Number	7647-63-4;
PubChem CID	16406;
ChemSpider	15559 ;
UNII	571559SLAJ;
Chemical and physical data
Formula	C19H25N2OS+
Molar mass	329.48 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES OCC[N+](C)(C)C(C)CN1c3c(Sc2c1cccc2)cccc3;
	InChI InChI=1S/C19H25N2OS/c1-15(21(2,3)12-13-22)14-20-16-8-4-6-10-18(16)23-19-11-7-5-9-17(19)20/h4-11,15,22H,12-14H2,1-3H3/q+1 ; Key:PDSVTRQOBUIQBQ-UHFFFAOYSA-N ;
	(verify)

Hydroxyethylpromethazine is an antihistamine with anticholinergic properties. It is structurally analogous to promethazine.

References

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Antihistamines (R06)
Benzimidazoles (*)	Astemizole Azelastine Bilastine Emedastine Mizolastine Talastine
Diarylmethanes	Diarylmethoxyalkylamines: Bromazine (bromodiphenhydramine) Carbinoxamine Chlorphenoxamine Clemastine Diphenhydramine Diphenylpyraline Doxylamine Ebastine Orphenadrine Diphenylmethanolpiperidines: Fexofenadine Terfenadine Diphenylmethylpiperazines: Buclizine Cetirizine Levocetirizine Chlorcyclizine Cinnarizine Cyclizine Etodroxizine Hydroxyzine Meclizine Oxatomide Phenylpyridinylpropanamines: Brompheniramine Chlorphenamine Dexbrompheniramine (+pseudoephedrine) Dexchlorpheniramine (+betamethasone) Pheniramine Others: Acrivastine Bamipine Dimetindene Phenyltoloxamine Pyrrobutamine Quifenadine Triprolidine
Ethylenediamines	Antazoline Chloropyramine Histapyrrodine Mepyramine (pyrilamine) Methapyrilene Phenbenzamine Thenalidine Tripelennamine (pyribenzamine)
Tricyclics	Dibenzocycloheptenes: Antidepressants (e.g., amitriptyline) Azatadine Cyproheptadine Deptropine Desloratadine Ketotifen Loratadine Rupatadine Phenothiazines: Alimemazine Fenethazine Hydroxyethylpromethazine Isothipendyl Mequitazine Methdilazine Oxomemazine Promethazine Others: Antidepressants (e.g., doxepin, mirtazapine, trimipramine) Epinastine Latrepirdine Mebhydrolin Olopatadine Perlapine Phenindamine Pimethixene
Others	Phenylpiperazines: Antidepressants (e.g., trazodone) Phenbenzamine
For topical use	Bamipine Chloropyramine Chlorphenoxamine Clemastine Dimetindene Diphenhydramine Doxepin Isothipendyl Mepyramine (pyrilamine) Promethazine

Histamine receptor modulators
H₁	Agonists: 2-Pyridylethylamine Betahistine Histamine HTMT L-Histidine UR-AK49 Antagonists: First-generation: 4-Methyldiphenhydramine Alimemazine Antazoline Azatadine Bamipine Benzatropine (benztropine) Bepotastine Bromazine Brompheniramine Buclizine Captodiame Carbinoxamine Chlorcyclizine Chloropyramine Chlorothen Chlorphenamine Chlorphenoxamine Cinnarizine Clemastine Clobenzepam Clocinizine Cloperastine Cyclizine Cyproheptadine Dacemazine Decloxizine Deptropine Dexbrompheniramine Dexchlorpheniramine Dimenhydrinate Dimetindene Diphenhydramine Diphenylpyraline Doxylamine Embramine Etodroxizine Etybenzatropine (ethylbenztropine) Etymemazine Fenethazine Flunarizine Histapyrrodine Homochlorcyclizine Hydroxyethylpromethazine Hydroxyzine Isopromethazine Isothipendyl Meclozine Medrylamine Mepyramine (pyrilamine) Mequitazine Methafurylene Methapyrilene Methdilazine Moxastine Orphenadrine Oxatomide Oxomemazine Perlapine Phenindamine Pheniramine Phenyltoloxamine Pimethixene Piperoxan Pipoxizine Promethazine Propiomazine Pyrrobutamine Talastine Thenalidine Thenyldiamine Thiazinamium Thonzylamine Tolpropamine Tripelennamine Triprolidine Second/third-generation: Acrivastine Alinastine Astemizole Azelastine Bamirastine Barmastine Bepiastine Bepotastine Bilastine Cabastinen Carebastine Cetirizine Clemastine Clemizole Clobenztropine Desloratadine Dorastine Ebastine Efletirizine Emedastine Epinastine Fexofenadine Flezelastine Ketotifen Latrepirdine Levocabastine Levocetirizine Linetastine Loratadine Mapinastine Mebhydrolin Mizolastine Moxastine Noberastine Octastine Olopatadine Perastine Pibaxizine Piclopastine Quifenadine (phencarol) Rocastine Rupatadine Setastine Sequifenadine (bicarphen) Talastine Temelastine Terfenadine Vapitadine Zepastine Others: Atypical antipsychotics (e.g., aripiprazole, asenapine, brexpiprazole, brilaroxazine, clozapine, iloperidone, olanzapine, paliperidone, quetiapine, risperidone, ziprasidone, zotepine) Phenylpiperazine antidepressants (e.g., hydroxynefazodone, nefazodone, trazodone, triazoledione) Tetracyclic antidepressants (e.g., amoxapine, loxapine, maprotiline, mianserin, mirtazapine, oxaprotiline) Tricyclic antidepressants (e.g., amitriptyline, butriptyline, clomipramine, desipramine, dosulepin (dothiepin), doxepin, imipramine, iprindole, lofepramine, nortriptyline, protriptyline, trimipramine) Typical antipsychotics (e.g., chlorpromazine, flupenthixol, fluphenazine, loxapine, perphenazine, prochlorperazine, thioridazine, thiothixene) Unknown/unsorted: Azanator Belarizine Elbanizine Flotrenizine GSK1004723 Napactadine Tagorizine Trelnarizine Trenizine
H₂	Agonists: Amthamine Betazole Dimaprit Histamine HTMT Impromidine L-Histidine UR-AK49 Antagonists: Bisfentidine Burimamide Cimetidine Dalcotidine Donetidine Ebrotidine Etintidine Famotidine Isolamtidine Lafutidine Lamtidine Lavoltidine (loxtidine) Lupitidine Metiamide Mifentidine Niperotidine Nizatidine Osutidine Oxmetidine Pibutidine Quisultazine (quisultidine) Ramixotidine Ranitidine Roxatidine Sufotidine Tiotidine Tuvatidine Venritidine Xaltidine Zolantidine
H₃	Agonists: α-Methylhistamine Cipralisant Histamine Imetit Immepip Immethridine L-Histidine Methimepip Proxyfan Antagonists: A-349821 A-423579 ABT-239 ABT-652 AZD5213 Bavisant Betahistine Burimamide Ciproxifan Clobenpropit Conessine Enerisant GSK-189254 Impentamine Iodophenpropit Irdabisant JNJ-5207852 NNC 38-1049 PF-03654746 Pitolisant SCH-79687 Thioperamide VUF-5681
H₄	Agonists: 4-Methylhistamine α-Methylhistamine Histamine L-Histidine OUP-16 VUF-8430 Antagonists: JNJ-7777120 Mianserin Seliforant Thioperamide Toreforant VUF-6002
See also: Receptor/signaling modulators • Monoamine metabolism modulators • Monoamine reuptake inhibitors

Tricyclics
Classes	Acridine Anthracene Dibenzazepine Dibenzocycloheptene Dibenzodiazepine Dibenzothiazepine Dibenzothiepin Dibenzoxazepine Dibenzoxepin Phenothiazine Pyridazinobenzoxazine Pyridinobenzodiazepine Thioxanthene
Antidepressants (TCAs and TeCAs)	7-OH-Amoxapine Amezepine Amineptine Amitriptyline Amitriptylinoxide Amoxapine Aptazapine Azepindole Azipramine Batelapine Butriptyline Cianopramine Ciclazindol Ciclopramine Cidoxepin Clomipramine Cotriptyline Cyanodothiepin Demexiptiline Depramine (balipramine) Desipramine (desmethylimipramine) Desmethylclomipramine Desmethyltrimipramine Dibenzepin Dimetacrine Dosulepin (dothiepin) Doxepin Enprazepine Esmirtazapine Fantridone Fluotracen Hepzidine Homopipramol Imipramine Imipraminoxide Intriptyline Iprindole Ketipramine Litracen Lofepramine Losindole Loxapine Maprotiline Mariptiline Mazindol Melitracen Metapramine Mezepine Mianserin Mirtazapine Monometacrine Naranol Nitroxazepine Norbutriptyline Nordoxepin Northiaden (nordosulepin) Nortriptyline (noramitriptyline) Noxiptiline Octriptyline Opipramol Oxaprotiline Pipofezine Pirandamine Propizepine Protriptyline Quinupramine Setiptiline (teciptiline) Spiroxepin Tandamine Tampramine Tianeptine Tienopramine Trimipramine
Antihistamines	Azatadine Bisulepin Clobenzepam Cyproheptadine Dacemazine Deptropine Desloratadine Epinastine Etymemazine Fenethazine Hydroxyethylpromethazine Isopromethazine Isothipendyl Ketotifen Latrepirdine Loratadine Mebhydrolin Mequitazine Methdilazine Olopatadine Oxomemazine Phenindamine Pimethixene Promethazine Propiomazine Rupatadine Thiazinamium
Antipsychotics	Acetophenazine Alimemazine Amoxapine Asenapine Butaclamol Butaperazine Carfenazine (carphenazine) Carpipramine Chlorpromazine Chlorprothixene Ciclindole Citatepine Clocapramine Clomacran Clorotepine Clotiapine Clozapine Cyanothepin Doclothepin Docloxythepin Erizepine Flucindole Flumezapine Fluotracen Flupentixol Fluphenazine Gevotroline Homopipramol Isofloxythepin Levomepromazine/Methotrimeprazine Loxapine Lurasidone Maroxepin Meperathiepin Mesoridazine Metiapine Metitepine Metoxepin Mosapramine Naranol Octomethothepin Olanzapine Oxyclothepin Oxyprothepin Pentiapine Peradithiepin Perathiepin Perazine Perphenazine Periciazine Pinoxepin Piperacetazine Pipotiazine Piquindone Prochlorperazine Promazine Prothipendyl Quetiapine Savoxepin/Cipazoxapine Sulforidazine Tenilapine Thiethylperazine Thiopropazate Thioridazine Thiothixene Tilozepine Traboxopine Trifluoperazine Triflupromazine Trifluthepin Zotepine Zuclopenthixol
Anticonvulsants	Carbamazepine Dizocilpine Eslicarbazepine Eslicarbazepine acetate Etazepine Licarbazepine Oxcarbazepine Oxitriptyline Rispenzepine
Others	Adosopine Aminopromazine Atiprosin Beloxepin Benzoctamine Carvedilol Cidoxepin Cyclobenzaprine Damotepine Darenzepine Elanzepine Fluradoline Methylene blue Monatepil Nuvenzepine Oxetorone Perlapine P7C3 Pinadoline Pirenzepine Pirolate Pitrazepin Pizotifen Profenamine Serazapine Siltenzepine Telenzepine Tipindole Tropatepine Zolenzepine

Hydroxyethylpromethazine

See also

References