Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675397 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2458.7-K-IP 4-Methyl-2-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 119-33-5 Price on request L20030300CY PCB-Mix 3, 10µg/mL in Cyclohexane, 10ml Price on request 2134.21-K-IO Tri-m-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 563-04-2 Price on request