Doxazosin Mesylate EP Impurity H

甲磺酸多沙唑嗪杂质H

Also known as: Impurity H (EP): 2,2'-(Piperazine-1,4-diyl)bis(6,7-dimethoxyquinazolin-4-amine), 2,2'-(1,4-Piperazinediyl)bis(6,7-dimethoxy-4-quinazolinamine), 2,2'-Piperazine-1,4-diylbis(6,7-dimethoxyquinazolin-4-amine), 2,2'-(Piperazin-1,4-diyl)bis(6,7-dimethoxyquinazolin-4-amine), 2-[4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-6,7-dimethoxy-4-quinazolinamine, 4-Quinazolinamine, 2,2'-(1,4-piperazinediyl)bis[6,7-dimethoxy-

Doxazosin Mesylate EP Impurity H (CAS 104965-50-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H28N8O4 and a molecular weight of 492.530 g/mol. It is also known as Impurity H (EP): 2,2'-(Piperazine-1,4-diyl)bis(6,7-dimethoxyquinazolin-4-amine), 2,2'-(1,4-Piperazinediyl)bis(6,7-dimethoxy-4-quinazolinamine) and 2,2'-Piperazine-1,4-diylbis(6,7-dimethoxyquinazolin-4-amine). Key properties include a boiling point of 784.7±70.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 428.4±35.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

104965-50-6

Jingsj CID

J-1527904-8

Molecular Formula

C₂₄H₂₈N₈O₄

Chinese Name

甲磺酸多沙唑嗪杂质H

Molecular Weight

492.530 g/mol

Category

Organic Acids

Last updated

8/21/2026