Chlorprothixene hydrochloride

Modify Date: 2025-08-21 20:59:40

Chlorprothixene hydrochloride structure	Common Name	Chlorprothixene hydrochloride
	CAS Number	6469-93-8	Molecular Weight	352.32100
	Density	N/A	Boiling Point	461.8ºC at 760 mmHg
	Molecular Formula	C₁₈H₁₉Cl₂NS	Melting Point	221ºC
	MSDS	Chinese USA	Flash Point	233.1ºC
	Symbol	GHS06	Signal Word	Danger

Use of Chlorprothixene hydrochloride

Chlorprothixene hydrochloride is a dopamine and histamine receptors antagonist with Kis of 18 nM, 2.96 nM, 4.56 nM, 9 nM and 3.75 nM for hD1, hD2, hD3, hD5 and hH1 receptors, respectively. Antipsychotic activity[1].

Name	2-Chloro-9-(3-dimethylaminopropylidene)thioxanthene hydrochloride
Synonym	More Synonyms

Description	Chlorprothixene hydrochloride is a dopamine and histamine receptors antagonist with Kis of 18 nM, 2.96 nM, 4.56 nM, 9 nM and 3.75 nM for hD1, hD2, hD3, hD5 and hH1 receptors, respectively. Antipsychotic activity[1].
Related Catalog	Signaling Pathways >> Immunology/Inflammation >> Histamine Receptor Signaling Pathways >> GPCR/G Protein >> Dopamine Receptor Signaling Pathways >> Neuronal Signaling >> Dopamine Receptor Research Areas >> Neurological Disease Signaling Pathways >> GPCR/G Protein >> Histamine Receptor Signaling Pathways >> Anti-infection >> Bacterial
Target	Human D1 Receptor:18 nM (Ki) Human D2 Receptor:2.96 nM (Ki) Human D3 Receptor:4.56 nM (Ki) Human D5 Receptor:9 nM (Ki) Human H1 Receptor:3.75 nM (Ki)
In Vitro	Chlorprothixene binds to 5-HT receptors with pKis of 8.3, 8.5, and 9.4 for 5-HT7, 5-HT6 and 5-HT2, respectively[2].
References	[1]. Y von Coburg, et al. Potential utility of histamine H3 receptor antagonist pharmacophore in antipsychotics. Bioorg Med Chem Lett. 2009 Jan 15;19(2):538-42. [2]. B L Roth, et al. Binding of typical and atypical antipsychotic agents to 5-hydroxytryptamine-6 and 5-hydroxytryptamine-7 receptors. J Pharmacol Exp Ther. 1994 Mar;268(3):1403-10.

Boiling Point	461.8ºC at 760 mmHg
Melting Point	221ºC
Molecular Formula	C₁₈H₁₉Cl₂NS
Molecular Weight	352.32100
Flash Point	233.1ºC
Exact Mass	351.06200
PSA	28.54000
LogP	5.99000
Storage condition	2-8°C
Water Solubility	Soluble in water and in alcohol, slightly soluble in methylene chloride.

Chlorprothixene hydrochloride MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XO0610000

CHEMICAL NAME :: Thioxanthene, 2-chloro-9-(3-(dimethylamino)propylidene)-, hydrochloride, (Z)-

CAS REGISTRY NUMBER :: 6469-93-8

LAST UPDATED :: 199709

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C18-H18-Cl-N-S.Cl-H

MOLECULAR WEIGHT :: 352.34

WISWESSER LINE NOTATION :: T C666 BS IYJ FG IU3N1&1 &GH -Z

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972 Volume(issue)/page/year: -,65,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 25 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972 Volume(issue)/page/year: -,65,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 242 mg/kg

TOXIC EFFECTS :: Behavioral - ataxia

REFERENCE :: CCCCAK Collection of Czechoslovak Chemical Communications. (Academic Press Inc. Ltd., 24-28 Oval Rd., London NW1 7DX, UK) V.1- 1929- Volume(issue)/page/year: 45,3166,1980

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 98 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CKFRAY Ceskoslovenska Farmacie. (PNS-Ustredni Expedice a Dovoz Tisku, Kafkova 19, 160 00 Prague 6, Czechoslovakia) V.1- 1952- Volume(issue)/page/year: 15,526,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 140 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972 Volume(issue)/page/year: -,65,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 43 mg/kg

TOXIC EFFECTS :: Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - somnolence (general depressed activity) Behavioral - excitement

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 144,481,1963

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301
Precautionary Statements	Missing Phrase - N15.00950417
Hazard Codes	Xn: Harmful;
Risk Phrases	R20/21/22
Safety Phrases	36
RIDADR	UN 2811 6
WGK Germany	3
RTECS	XO0610000
Packaging Group	III
Hazard Class	6.1(b)

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Chlorprothixene hydrochloride

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