Sildenafil citrate,1000 µg base/mL,MeOH,1mL Back Catalog number: 9282.28-K-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 684461 Metazosulfuron, 10mg Price on request 0724.12-K-IO 1,5-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 571-61-9 Price on request X9081 Dieldrin Price on request