Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A15935000WL-100 Availability: In the manufacturer's stock Price on request - + Recommended 0958.9-K-CY 2-Methyloctane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 3221-61-2 Price on request 15900-2291D-100AN Fenthion-d6, 100µg/ml in Acetonitrile, 1ml Price on request 8807.24-10MG Naphtho[1,2-k]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 238-04-0 Price on request