Methapyrilene Hydrochloride

Modify Date: 2024-01-09 12:22:40

Methapyrilene Hydrochloride structure	Common Name	Methapyrilene Hydrochloride
	CAS Number	135-23-9	Molecular Weight	297.84700
	Density	1.148g/cm3	Boiling Point	389.6ºC at 760 mmHg
	Molecular Formula	C₁₄H₂₀ClN₃S	Melting Point	162°
	MSDS	Chinese USA	Flash Point	189.4ºC
	Symbol	GHS06	Signal Word	Danger

Use of Methapyrilene Hydrochloride

Methapyrilene (Thenylpyramine) hydrochloride is an orally active H1-receptor antihistamine and an anticholinergic agent of the pyridine chemical class. Methapyrilene hydrochloride has hepatotoxicity and can be used as a hepatotoxin that cause periportal hepatic necrosis in vivo[2]

Name	methapyrilene hydrochloride
Synonym	More Synonyms

Description	Methapyrilene (Thenylpyramine) hydrochloride is an orally active H1-receptor antihistamine and an anticholinergic agent of the pyridine chemical class. Methapyrilene hydrochloride has hepatotoxicity and can be used as a hepatotoxin that cause periportal hepatic necrosis in vivo[2]
Related Catalog	Signaling Pathways >> Immunology/Inflammation >> Histamine Receptor Research Areas >> Inflammation/Immunology Signaling Pathways >> GPCR/G Protein >> Histamine Receptor
Target	H1 Receptor
In Vitro	Methapyrilene hydrochloride (650 μM) results in a down-regulation of TF and up-regulation of FTL, while the level of HMOX1 is not changed. Additionally, the levels of CD44 and SOX9 proteins and the expression of PROM1 (CD133), hepatic stem cell-associated markers are increased[1]. Methapyrilene hydrochloride (650 μM) decreases CYP2E1, CYP3A4, NR1l3, ALB, mRNA expression and increases CD133 expression[1].
In Vivo	Methapyrilene hydrochloride (oral gavage; 40 or 80 mg/kg; 5 days per week; 6 weeks) results in changes in the expression of classic hepatotoxicity-related marker genes and iron homeostasis-related genes, especially a prominent, dose-dependent down-regulation of the transferrin (Tf) gene and an up-regulation of the ferritin, light chain (FTL) gene in rats[1]. Methapyrilene hydrochloride (oral gavage; 150 mg/kg; 3 days) causes periportal liver necrosis at high dosage. Methapyrilene is sufficient to induce liver necrosis, or a subtoxic dose of 50 mg/kg/day[2].
References	[1]. Iryna Kindrat, et al.Effect of methapyrilene hydrochloride on hepatic intracellular iron metabolism in vivo and in vitro. Toxicol Lett. 2017 Nov 5;281:65-73. [2]. Andrew Craig, et al. Systems toxicology: integrated genomic, proteomic and metabonomic analysis of methapyrilene induced hepatotoxicity in the rat. J Proteome Res. 2006 Jul;5(7):1586-601. [3]. Shawkat-Muhialdin Jangi, et al. H1 histamine receptor antagonists induce genotoxic and caspase-2-dependent apoptosis in human melanoma cells. Carcinogenesis. 2006 Sep;27(9):1787-96.

Density	1.148g/cm3
Boiling Point	389.6ºC at 760 mmHg
Melting Point	162°
Molecular Formula	C₁₄H₂₀ClN₃S
Molecular Weight	297.84700
Flash Point	189.4ºC
Exact Mass	297.10700
PSA	47.61000
LogP	3.51330
Vapour Pressure	2.82E-06mmHg at 25°C
Storage condition	room temp

Methapyrilene Hydrochloride MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UT1750000

CHEMICAL NAME :: Pyridine, 2-((2-(dimethylamino)ethyl)-2-thenylamino)-, monohydrochloride

CAS REGISTRY NUMBER :: 135-23-9

LAST UPDATED :: 199712

DATA ITEMS CITED :: 35

MOLECULAR FORMULA :: C14-H19-N3-S.Cl-H

MOLECULAR WEIGHT :: 297.88

WISWESSER LINE NOTATION :: T6NJ BNZN1&1&1- BT5SJ &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - man

DOSE/DURATION :: 429 ug/kg

TOXIC EFFECTS :: Gastrointestinal - gastritis

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

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 150 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 182 mg/kg

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

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 90 mg/kg

TOXIC EFFECTS :: Behavioral - excitement Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 75 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 17500 ug/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 14600 ug/kg

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 9100 mg/kg/26W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 18200 mg/kg/26W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 22 gm/kg/64W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 9625 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4813 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10080 mg/kg/24W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

TYPE OF TEST :: Morphological transformation

TYPE OF TEST :: Unscheduled DNA synthesis

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Rodent - hamster Lung

DOSE/DURATION :: 2 mmol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 341,77,1994 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80458 No. of Facilities: 197 (estimated) No. of Industries: 5 No. of Occupations: 12 No. of Employees: 4170 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80458 No. of Facilities: 35 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 1698 (estimated) No. of Female Employees: 1135 (estimated)

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301
Precautionary Statements	P301 + P310
Personal Protective Equipment	Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	T
Risk Phrases	R25
Safety Phrases	S22;S36;S45
RIDADR	UN 2811 6.1/PG 3
WGK Germany	3
RTECS	UT1750000
Packaging Group	III
Hazard Class	6.1(b)

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METHAPYRILENE HYDROCHLORIDE

Methapyrilene HCl

DC Chemicals Limited
China
Product Name: Methapyrilene hydrochloride
Price: ￥Inquiry/1g
Purity: 98.9%
Stocking Period: 1 Day
Contact: Tony Cao

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