CWA Color Back Catalog number: 55140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673729 Alachlor, 100 µg/ml, Ethyl acetate, 5ml Price on request 94013 OP Pesticide Standard Price on request 14500-0140-10CY10 Benzo(k)fluoranthene, 10μg/ml in Cyclohexane, 10ml Price on request