Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A15935000WL-100 Availability: In the manufacturer's stock Price on request - + Recommended 681523 D6-Carbofuran-3-hydroxy, 10mg Price on request 9485.20-50-IO 6-Chlorobenzo[a]pyrene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 21248-01-1 Price on request 3752.10-50-IO 1,2,3,4-Tetrachloro-1,2,3,4-tetrahydronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. Price on request