Sildenafil citrate,100 µg base/mL,MeOH,1mL Back Catalog number: 9282.28-100-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 677479 Pyrimethamine, 250mg Price on request 0474.18-200-T 2,3,9,10-Tetramethylantracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 66552-77-0 Price on request 71355 3,4-Dimethylhexane Price on request