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 11023.13-5MG Fluconazole-d4 (bismethylene-d4),neat,neat,5mg, Price on request 53069 Spiking Standard 1 Price on request 8553.26-K-IO Ethyltri-n-octyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request