Urapidil Cas:34661-75-1

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Product Description:

Product Name: Urapidil CAS NO: 34661-75-1          

 

Synonyms:

6-[3-[4-(2-methoxyphenyl)piperazin-1-yl]propylamino]-1,3-dimethylpyrimidine-2,4-dione;

6-[[3-[4-(2-Methoxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyluracil;

1,3-dimethyl-6-[[3-[4-(2-methoxyphenyl)-1-piperazinyl]propyl]amino]-2,4(1H,3H)pyrimidine-dione;

 

Chemical & Physical Properties:

Appearance:Solid

Assay :≥99.0%

Density: 1.26 g/cm3

Boiling Point: 549℃ at 760 mmHg

Flash Point: 285.8℃

Refractive Index: 1.622

Vapor Pressure: 0.0±1.5 mmHg at 25℃

 

Safety Information:

Hazard Code: Xn

Risk Statements: R22-36/37/38

Safety Statement: S26

RTECS: YQ9862000

Toxicity: LD50 in male mice, rats (mg/kg): 750, 550 orally; 260, 145 i.v. (Koenig)

 

Urapidil is a sympatholytic antihypertensive drug. It acts as an α1-adrenoceptor antagonist and as an 5-HT1A receptor agonist Although an initial report suggested that urapidil was also an α2-adrenoceptor agonist, this was not substantiated in later studies that demonstrated it was devoid of agonist actions in the dog saphenous vein and the guinea-pig ileum. Unlike some other α1-adrenoceptor antagonists, urapidil does not elicit reflex tachycardia, and this may be related to its weak β1-adrenoceptor antagonist activity, as well as its effect on cardiac vagal drive. Urapidil is currently not approved by the U.S. Food and Drug Administration, but it is available in Europe.

 

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