Prazosin

Prazosin is a useful α1 and α2B-adrenoceptor antagonist.||Synonyms:|[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-2-furanylmethanone; |4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazinyl 2-furyl ketone; Furazosin; Lentopres||CAS No:|19216-56-9||Molecular Formula:|C₁₉H₂₁N₅O₄||Molecular Weight:|383.4||Appearance:|White to off-white solid||Purity:|≥98% (HPLC)||Solubility:|DMSO (Slightly), Methanol (Slightly, Heated)||Method for Determining Identity:|Proton NMR Spectroscopic and Mass Spectrometric Analysis||TLC Conditions:|SiO2; Dichloromethane: Methanol: 9:1; Visualized with UV, AMCS and KMnO4; Single spot, Rf=0.50||Elemental Analysis:||Calculated:|%C: 59.12; %H: 5.52; %N: 18.27|Water Content:|As Reported||Storage and Stability: |Long-term storage is recommended at 4°C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap.||Important Note: |This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. ||Toxicity and Hazards: |All products should be handled by qualified personnel only, trained in laboratory procedures.