85-5530-77　Desmethyl Fondenafil 25mg　CAS No:147676-79-7　446337

特徴

• Desmethyl Fondenafil is an impurity of the drug Fondenafil/Carbodenafil.
• Synonyms:1-[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzoyl]-4-methylpiperazine; 1H-Pyrazolo[4,3-d]pyrimidine Piperazine Deriv.; 5-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)carbonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one; 5-[2-Ethoxy-5-(4-methylpiperazinylcarbonyl)phenyl]-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; Desmethylcarbodenafil
• Molecular Formula:C₂₃H₃₀N₆O₃
• Molecular Weight:438.52
• Purity:≥98%
• Appearance:White to pale yellow solid
• Melting Point:198-200ºC (lit)
• Solubility:Chloroform (Slightly), Methanol (Slightly)
• Method for Determining Identity:Proton NMR Spectroscopic and Mass Spectrometric analysis
• TLC Conditions:SiO2; Dichloromethane: Methanol=9:1; Visualized with UV and KMnO4; Single Spot, Rf=0.65
• Storage and Stability:Powder is stable for 6 months after receipt at 4°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.