Doxazosin Impurities

• Doxazosin - EP Impurity A
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• Impurity: Doxazosin - EP Impurity A
• Chemical Name: (2RS)-2,3-dihydro-1,4-benzodioxine-2-carboxylic acid

• Doxazosin - EP Impurity E
• 
• Impurity: Doxazosin - EP Impurity E
• Chemical Name: 2,4-dichloro-6,7-dimethoxyquinazoline

• Doxazosin - EP Impurity B
• 
• Impurity: Doxazosin - EP Impurity B
• Chemical Name: 1-[(2RS)-2,3-dihydro-1,4-benzodioxin-2-ylcarbonyl]piperazine

• Doxazosin - EP Impurity C
• 
• Impurity: Doxazosin - EP Impurity C
• Chemical Name: 1,4-bis(2,3-dihydro-1,4-benzodioxin-2-ylcarbonyl)piperazine

• Doxazosin - EP Impurity G
• 
• Impurity: Doxazosin - EP Impurity G
• Chemical Name: 6,7-dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine

• Doxazosin - EP Impurity H
• 
• Impurity: Doxazosin - EP Impurity H
• Chemical Name: 2,2-(piperazine-1,4-diyl)bis(6,7-dimethoxyquinazolin-4-amine)

• Doxazosin - EP Impurity F
• 
• Impurity: Doxazosin - EP Impurity F
• Chemical Name: 4-amino-2-chloro-6,7-dimethoxy quinazoline