4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678380 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677817 Ethoprophos, 100 µg/ml, Acetonitrile, 1ml Price on request 95099 ASTM Benzene Control Amp#6 Price on request 8463.3-K-W Glyphosate,1000 µg/mL,water,1mL Price on request