4,4'-DDE, 100 µg/ml, Methanol, 1ml Back Catalog number: 679459 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8537.16-100-IO n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17851-53-5 Price on request 675037 Acetochlor OA, 10mg Price on request B2IPPPP Bis(2-isopropylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene Price on request