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 S-4056-250-MXX5 Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5 Price on request 51058 ASTM D-4815 Calibration Mix #1 Price on request 676590 Diazinon, 100 µg/ml, Acetonitrile, 1ml Price on request