 
            
        This is an Application Brief and does not contain a detailed Experimental section.
This application brief demonstrates analysis of oxybutynin in rat plasma.
The compound analyzed in this study is oxybutynin.
 
            
        | Column: | Xterra MS C18 2.1 x 30 mm, 3.5 μm | 
| Part number: | 186000398 | 
| Mobile phase A: | 100 mM NH4COOH | 
| Mobile phase B: | ACN | 
| Isocratic mobile phase composition: | 45% A; 55% B | 
| Flow rate: | 0.2 mL/min | 
| Injection volume: | 30 μL | 
| Detection: | MS ESI+ | 
| Instrument: | Alliance 2790, Quattro Ultima | 
| Ion source: | Electrospray Positive | 
| Source temperature: | 150 °C | 
| Gas cell: | 1.5e-3 mbar, 25eV | 
| Desolvation temperature: | 350 °C | 
| Cone gas flow: | 150 L/hr | 
| Drying gas flow: | 600 L/hr | 
| Cone voltage: | 30 V | 
 
            
         
            
         
            
        WA31764.115, June 2003