CAS 34839-70-8|Metiamide

Introduction：Basic information about CAS 34839-70-8|Metiamide, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Metiamide BiologicalActivity
3. Chemical & Physical Properties
4. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
5. Safety Information
6. Customs
7. Synonyms

Common Name	Metiamide
CAS Number	34839-70-8	Molecular Weight	244.380
Density	1.2±0.1 g/cm3	Boiling Point	463.0±55.0 °C at 760 mmHg
Molecular Formula	C₉H₁₆N₄S₂	Melting Point	/
MSDS	/	Flash Point	233.8±31.5 °C

Names

Name	1-methyl-3-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfanyl]ethyl]thiourea
Synonym	More Synonyms

Metiamide BiologicalActivity

Description	Metiamide is a histamine H2-receptor antagonist developed from another H2 antagonist, burimamide.IC50 Value: 0.92 uM (Ki with glycolaldehyde as the varied substrate for E3)Target: H2 receptorMetiamide is an intermediate compound in the development of the successful anti-ulcer drug cimetidine. in vitro: Metiamide is a competitive with aldehyde substrates and noncompetitive with the Human E3 Aldehyde Dehydrogenase coenzyme, binding to both the free E3 isozyme and the enzyme·coenzyme binary complex withK i values of 0.92 μM glycolaldehyde as the varied substrate[1]. Data was got as percentage change in GTPase activity induced by metiamide compared with the GTPase activity stimulated by HA (100 μM)[2]. in vivo: Metiamide is a histamine H2-receptor antagonist. It reduces basal and nocturnal gastric acid secretion and a reduction in gastric volume, acidity, and amount of gastric acid released in response to stimuli including food, caffeine, insulin, betazole, or pentagastrin. Metiamide inhibits many of the isoenzymes of the hepatic CYP450 enzyme system. Other actions of Metiamide include an increase in gastric bacterial flora such as nitrate-reducing organisms.
Related Catalog	Signaling Pathways >>GPCR/G Protein >>Histamine ReceptorSignaling Pathways >>Immunology/Inflammation >>Histamine ReceptorResearch Areas >>Endocrinology
References	[1]. Alexandra Kikonyogo ,Regina Pietruszko, Cimetidine and Other H2-Receptor Antagonists as Inhibitors of Human E3 Aldehyde Dehydrogenase. Molecular Pharmacology 1997; 52: 2267-271. [2]. Hendrik Preuss, Prasanta Ghorai1, Anja Kraus, Constitutive Activity and Ligand Selectivity of Human, Guinea Pig, Rat, and Canine Histamine H2 Receptors. JPET 2007 vol. 321no. 3 983-995.

Description

Metiamide is a histamine H2-receptor antagonist developed from another H2 antagonist, burimamide.IC50 Value: 0.92 uM (Ki with glycolaldehyde as the varied substrate for E3)Target: H2 receptorMetiamide is an intermediate compound in the development of the successful anti-ulcer drug cimetidine. in vitro: Metiamide is a competitive with aldehyde substrates and noncompetitive with the Human E3 Aldehyde Dehydrogenase coenzyme, binding to both the free E3 isozyme and the enzyme·coenzyme binary complex withK i values of 0.92 μM glycolaldehyde as the varied substrate[1]. Data was got as percentage change in GTPase activity induced by metiamide compared with the GTPase activity stimulated by HA (100 μM)[2]. in vivo: Metiamide is a histamine H2-receptor antagonist. It reduces basal and nocturnal gastric acid secretion and a reduction in gastric volume, acidity, and amount of gastric acid released in response to stimuli including food, caffeine, insulin, betazole, or pentagastrin. Metiamide inhibits many of the isoenzymes of the hepatic CYP450 enzyme system. Other actions of Metiamide include an increase in gastric bacterial flora such as nitrate-reducing organisms.

Related Catalog

Signaling Pathways >>GPCR/G Protein >>Histamine ReceptorSignaling Pathways >>Immunology/Inflammation >>Histamine ReceptorResearch Areas >>Endocrinology

References

[1]. Alexandra Kikonyogo ,Regina Pietruszko, Cimetidine and Other H2-Receptor Antagonists as Inhibitors of Human E3 Aldehyde Dehydrogenase. Molecular Pharmacology 1997; 52: 2267-271.

[2]. Hendrik Preuss, Prasanta Ghorai1, Anja Kraus, Constitutive Activity and Ligand Selectivity of Human, Guinea Pig, Rat, and Canine Histamine H2 Receptors. JPET 2007 vol. 321no. 3 983-995.

Chemical & Physical Properties

Density	1.2±0.1 g/cm3
Boiling Point	463.0±55.0 °C at 760 mmHg
Molecular Formula	C₉H₁₆N₄S₂
Molecular Weight	244.380
Flash Point	233.8±31.5 °C
Exact Mass	244.081635
PSA	110.13000
LogP	0.65
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.627
InChIKey	FPBPLBWLMYGIQR-UHFFFAOYSA-N
SMILES	CNC(=S)NCCSCc1nc[nH]c1C
Storage condition	2-8℃

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YT7750000

CHEMICAL NAME :: Urea, 1-methyl-3-(2-(((5-methylimidazol-4-yl)methyl)thio)et hyl)-2-thio-

CAS REGISTRY NUMBER :: 34839-70-8

LAST UPDATED :: 198703

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C9-H16-N4-S2

MOLECULAR WEIGHT :: 244.41

WISWESSER LINE NOTATION :: T5M CNJ D1S2MYUS&M1 E1

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 :: 1493 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - dyspnea

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 142 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - dyspnea

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2642 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - dyspnea

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 130 mg/kg

TOXIC EFFECTS :: Behavioral - antipsychotic Lungs, Thorax, or Respiration - respiratory depression

MUTATION DATA

TYPE OF TEST :: DNA inhibition

TEST SYSTEM :: Human Cells - not otherwise specified

DOSE/DURATION :: 1 umol/L

REFERENCE :: JIDEAE Journal of Investigative Dermatology. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1938- Volume(issue)/page/year: 65,400,1975

Safety Information

HS Code	2933290090

Customs

HS Code	2933290090
Summary	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Synonyms

metiamide

Thiourea, N-methyl-N'-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]ethyl]-

Metiamidum

Metiamida

SK&Methiamide

Thiourea, N-methyl-N'-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)-

1-Methyl-3-(2-{[(4-methyl-1H-imidazol-5-yl)methyl]sulfanyl}ethyl)thiourea

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