Doxazosin

Modify Date: 2024-01-09 19:42:42

Doxazosin Structure
Doxazosin structure
Common Name Doxazosin
CAS Number 74191-85-8 Molecular Weight 451.48
Density 1.371 g/cm3 Boiling Point 718ºC at 760 mmHg
Molecular Formula C23H25N5O5 Melting Point 289-290°C
MSDS N/A Flash Point 388ºC

 Use of Doxazosin


Doxazosin(UK 33274) is a quinazoline-derivative that selectively antagonizes postsynaptic α1-adrenergic receptors.Target: Adrenergic ReceptorDoxazosin is a long-lasting inhibitor of α1-adrenoceptors that is widely used to treat benign prostatic hyperplasia and lower urinary tract symptoms [1]. doxazosin may have a direct inhibitory effect on cholesterol synthesis independent of the LDL receptor. The inhibition of cholesterol synthesis by doxazosin may cause cells to compensate by upregulating the LDL receptor, thereby increasing the importation of lipoprotein cholesterol and reducing LDL cholesterol in the medium [2]. Doxazosin monotherapy was effective in eight of 12 patients (66.7%), and combined therapy with a beta-blocker was effective in 11 of 12 patients (91.7%). The mean pulse rate remained constant throughout therapy. Adverse reactions were minor and transient and occurred in only three patients. Urinary and plasma catecholamine levels tended to decrease or remained unchanged during doxazosin therapy [3].Clinical indications: Hypertension; Prostate hyperplasiaFDA Approved Date: February 22, 2005Toxicity: Symptoms of overdose include hypotension

 Names

Name doxazosin
Synonym More Synonyms

 Doxazosin Biological Activity

Description Doxazosin(UK 33274) is a quinazoline-derivative that selectively antagonizes postsynaptic α1-adrenergic receptors.Target: Adrenergic ReceptorDoxazosin is a long-lasting inhibitor of α1-adrenoceptors that is widely used to treat benign prostatic hyperplasia and lower urinary tract symptoms [1]. doxazosin may have a direct inhibitory effect on cholesterol synthesis independent of the LDL receptor. The inhibition of cholesterol synthesis by doxazosin may cause cells to compensate by upregulating the LDL receptor, thereby increasing the importation of lipoprotein cholesterol and reducing LDL cholesterol in the medium [2]. Doxazosin monotherapy was effective in eight of 12 patients (66.7%), and combined therapy with a beta-blocker was effective in 11 of 12 patients (91.7%). The mean pulse rate remained constant throughout therapy. Adverse reactions were minor and transient and occurred in only three patients. Urinary and plasma catecholamine levels tended to decrease or remained unchanged during doxazosin therapy [3].Clinical indications: Hypertension; Prostate hyperplasiaFDA Approved Date: February 22, 2005Toxicity: Symptoms of overdose include hypotension
Related Catalog
References

[1]. Sun, J.A., et al., Stereoselective binding of doxazosin enantiomers to plasma proteins from rats, dogs and humans in vitro. Acta Pharmacol Sin, 2013. 34(12): p. 1568-74.

[2]. D'Eletto, R.D. and N.B. Javitt, Effect of doxazosin on cholesterol synthesis in cell culture. J Cardiovasc Pharmacol, 1989. 13 Suppl 2: p. S1-4; discussion S4.

[3]. Miura, Y. and K. Yoshinaga, Doxazosin: a newly developed, selective alpha 1-inhibitor in the management of patients with pheochromocytoma. Am Heart J, 1988. 116(6 Pt 2): p. 1785-9.

 Chemical & Physical Properties

Density 1.371 g/cm3
Boiling Point 718ºC at 760 mmHg
Melting Point 289-290°C
Molecular Formula C23H25N5O5
Molecular Weight 451.48
Flash Point 388ºC
PSA 175.02000
LogP 2.88670
Storage condition -20℃

 Synonyms

Doxazosine [French]
1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(2,3-dihydro-1,4-benzodioxin-2-yl)carbonyl]piperazine
Doxazosinum
Normothen
Cardura
Doxazosina
Doxazosine
Cardura-1
Cardura-2
Cardura-4
MFCD00800482
4-amino-2-[4-(1,4-benzodioxan-2-carbonyl)piperazin-1-yl]-6,7-dimethoxyquinazoline
[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(2,3-dihydro-1,4-benzodioxin-3-yl)methanone
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