Prazosin HClLicensed by Pfizer 19237-84-4

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Molecular Weight: 419.86 Prazosin HCl, a quinazoline derivative, is the first of a new chemical class of antihypertensives.

Biological Activity

Prazosin(Minipress,Vasoflex,Pressin and Hypovase), is a sympatholytic drug used to treat high blood pressure (hypertension). It belongs to the class of alpha-adrenergic blockers, which lower blood pressure by relaxing blood vessels. Specifically, prazosin is selective for the alpha-1 receptors on vascular smooth muscle.





Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

Species	Baboon	Dog	Monkey	Rabbit	Guinea pig	Rat	Hamster	Mouse
Weight (kg)	12	10	3	1.8	0.4	0.15	0.08	0.02
Body Surface Area (m2)	0.6	0.5	0.24	0.15	0.05	0.025	0.02	0.007
Km factor	20	20	12	12	8	6	5	3

Animal A (mg/kg) = Animal B (mg/kg) multiplied by	Animal B Km
	Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×	mouse Km(3)	= 11.2 mg/kg
	rat Km(6)

Chemical Information

Download Prazosin HCl SDF

Molecular Weight (MW)	419.86
Formula	C19H21N5O4·HCl
CAS No.	19237-84-4

Storage	3 years -20℃Powder
	6 months-80℃in solvent (DMSO, water, etc.)
Synonyms

Solubility (25°C) *	In vitro	DMSO	1 mg/mL (2.38 mM)
		Water	<1 mg/mL (
		Ethanol	<1 mg/mL (
	In vivo
* <1 mg/ml means slightly soluble or insoluble. * Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Name	(4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)(furan-2-yl)methanone hydrochloride

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