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 40025 EPA Method 630/630.1 Stock Solution #2 Price on request 52059 Tuning Solution- Method 200.7 section 7.7 Price on request XA14410000IO Isodrin, 100 µg/ml in Isooctane, 1ml Price on request