Pyrene, 10µg/ml in Acetonitrile, 10ml Back Catalog number: L20930000AL Availability: In the manufacturer's stock Price on request - + Recommended 679317 Carbophenothion-methyl, 100 µg/ml, Methanol, 1ml Price on request 95081 4-Isobutylbenzoic acid Price on request 64688 Chlorpyrifos, 100µg/mL in MeOH, 1ml Price on request