DOXAZOSIN; [4- (4-amino-6,7-dimethoxy-quinazolin-2-yl) piperazin-1-yl] - (2,5-dioxabi cyclo [4.4.0] deca-6,8,10-trien -4-yl) methanone; DoxazosinMesylate 77883-43-3 / Base; DOXAZOSIN (SUBJECTTOPATENTFREE); Piperazine, 1- (4-amino-6,7-dimethoxy-2-quinazolinyl) 1,4-benzodioxin-2-yl) carbonyl] -; UK 33,274; UK 33274; DOXAZOSINMESYTL

 

CAS number: 74191-85-8

Molecular formula: C23H25N5O5

Molecular weight: 451.48

 

Chemical properties Doxazosin hydrochloride (Doxazosin Monohydrochloride): C23H25N5O5 HCI. Crystallization, mp 289-290 ° C.

Doxazosin Mesylate: C23H25N5O5® CH403S. [77883-43-3]. White or yellowish white crystalline powder, odorless. Soluble in dimethyl sulfoxide, difficult to dissolve in glacial acetic acid, insoluble in methanol, ethanol or water, extremely difficult to dissolve in chloroform, a few insoluble in ether. Melting point 270 ~ 275 ° C (decomposition).

Henan Tianfu Chemical Co., Ltd is a high-tech enterprise, specializing in pharmaceutical intermediates, located in Zhengzhou High-tech Development Zone. We passed ISO 9001:2008 ub 2009, and won "High-tech Enterprise" by provincial government in 2013. Tianfu specializes in manufacuturing intermediates in areas such as Antitumor, Cardiocascular, central nervous system, diabetes, etc. Tianfu have established an efficient quality control system, owing standardization workshop. Also corportaes with Zhengzhou University, Henan University to establish an innovation practice base to omprove the innovatin ability.

 

Tianfu always adheres to the principle of "Live on High Quality" and puts the customer's interests first. Tianfu products have been exported to Europe and the United States, Japan, Korea, India and Latin America markets. Look forward to the future, Tianfu will keep improving the innovation ability to offer better products and service for more and more customers.