Dow FR-250, 100µg/ml in Isooctane, 1ml Back Catalog number: B-250S Availability: In the manufacturer's stock Price on request - + Recommended 0212.18-10MG Chrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 218-01-9 Price on request 681386 Paraoxon-ethyl, 100mg Price on request 1250.5-1ML Cyclopentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 287-92-3 Price on request