2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] Chemical Properties

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)

pka

6.82±0.50(Predicted)

color 

White to Light Yellow

Stability:

Light Sensitive

2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine] Usage And Synthesis

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).

2,2'-(1,4-Piperazinediyl)bis[6,7-diMethoxy-4-quinazolinaMine](102839-00-9)Related Product Information

• Terazosin EP IMpurity D
• [4-(4-AMino-6-hydroxy-7-Methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)Methanone
• [4-(4-AMino-6,7-diMethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-Methyl-2-furanyl]Methanone
• Terazosin IMpurity J
• [4-(4-AMino-7-hydroxy-6-Methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)Methanone
• Terazosin hydrochloride dihydrate
• NSC 351869
• Prazosin hydrochloride
• 1-(2-Furoyl)piperazine
• Prazosin
• Terazosin EP Impurity O
• Piperazine, 1-[[(2R)-tetrahydro-2-furanyl]carbonyl]- (9CI)
• Terazosin Impurity
• 1-[4-(4-AMino-6,7-diMethoxy-2-quinazolinyl)-1-piperazinyl]-5-hydroxy-1-pentanone
• (R)-Terazosin
• Terazosin impurity
• 2-Chloro-4-amino-6,7-dimethoxyquinazoline
• 6,7-DiMethoxy-2-(4-(tetrahydrofuran-2-carbonyl)piperazin-1-yl)quinazolin-4(1H)-one