CAS NO. 19237-84-4     Prazosin hydrochloride
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CAS NO. 77883-43-3     Doxazosin mesylate    
CAS NO. 23680-84-4     2-Chloro-4-amino-6,7-dimethoxyquinazoline   
CAS NO. 93479-97-1     Glimepiride       
CAS NO. 32175-00-1     Trans-4-methyl-cyclohexyl isocyanate   
CAS NO. 21575-13-3     4-Amino-6,7-dimethoxyquinazoline  
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CAS NO. 13794-72-4     6,7-Dimethoxy-4(1H)-quinazolinone   
CAS NO. 86-96-4        2,4(1H,3H)-Quinazoine dione    
CAS NO. 607-68-1       2,4-Dichloro quinazoline        
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CAS NO. 60548-09-6     N-(2-Furoyl)piperazineHydrochloride       
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Manufacturer

Chongqing World Haorui Pharm-Chem Co.,Ltd. is the leading manufacturer and developer of Quinazoline & Piperazine type of intermediates and APIs in China. With advanced facilities and experts from the universities, we can provide high quality and low price products.