Chlorpyrifos, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673526 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2178.12-K-IO 2,4'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863315-03-1 Price on request X9185 Propionitrile Price on request 1761.13-10MG 2-Aminofluorene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 153-78-6 Price on request