| Identification | Back Directory | [Name]
2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] | [CAS]
102839-00-9 | [Synonyms]
Terazosin-006
Terazosin EP IMP E
Terazosin Impurity9
Prazosin EP Impurity E
Terazosin EP IMpurity E
Doxazosin Mesilate Impurity H
Doxazosin Mesilate EP Impurity H
Terazosin USP Related Compound C
Prazosin Hydrochloride Impurity E
Terazosin EP Impurity E (USP RC C)
Doxazosin EP Impurity H in salt form
Prazosin Hydrochloride EP Impurity E
Prazosin Impurity 5(Prazosin EP Impurity E)
Terazosin Hydrochloride Dihydrate Impurity E
Terazosin Impurity 5(Terazosin EP Impurity E)
Doxazosin Impurity 8（Doxazosin EP Impurity H）
Terazosin Hydrochloride Dihydrate EP Impurity E
1,4-Bis(4-amino-6,7-dimethoxy-2-quinazolinyl)piperazine
2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine]
2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMi...
4-Quinazolinamine, 2,2'-(1,4-piperazinediyl)bis[6,7-dimethoxy-
2,2''-(Piperazin-1,4-diyl)bis- (6,7-dimethoxyquinazolin-4-amine)
2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine]
(Terazosin IMpurity)
Doxazosin EP Impurity H (Prazosin EP Impurity E/ Terazosin EP Impurity E/ Terazosin Related Compound C) | [Molecular Formula]
C24H28N8O4 | [MDL Number]
MFCD00844357 | [MOL File]
102839-00-9.mol | [Molecular Weight]
492.53 |
| Chemical Properties | Back Directory | [Melting point ]
>254°C (dec.) | [Boiling point ]
784.7±70.0 °C(Predicted) | [density ]
1.373±0.06 g/cm3(Predicted) | [storage temp. ]
Amber Vial, -20°C Freezer, Under inert atmosphere | [solubility ]
DMSO (Vey Slightly, Heated), Methanol (Very Slightly, Heated) | [form ]
neat | [pka]
6.82±0.50(Predicted) | [color ]
White to Light Yellow | [Stability:]
Light Sensitive |
| Hazard Information | Back Directory | [Uses]
2,2''-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine] (Terazosin EP Impurity E) is an impurity of selective alpha 1 antagonists: Terazosin (T105000) and Prazosin (P702325). | [Uses]
An impurity of selective alpha 1 antagonists: Terazosin (T105000) and Prazosin (P702325). |
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