Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A15935000WL-100 Availability: In the manufacturer's stock Price on request - + Recommended 71854 Benzo(c)phenanthrene Price on request 3306.19-K-IO Methyl octadecadienoate (10tr,12c) , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21870-97-3 Price on request 679446 Isodrin, 100 µg/ml, Methanol, 1ml Price on request