Chlorfenvinphos, 100 µg/ml, Toluene, 1ml Back Catalog number: 677970 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3688.22-K-IO Tetraethylene glycol mono(p-n-octylphenyl) ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 51437-92-4 Price on request 59472 ICP-MS Verification Standard #1 Price on request 680442 alpha-HCH, 100 µg/ml, Methanol, 1ml Price on request