2,4'-DDE, 100 µg/ml, Methanol, 1ml Back Catalog number: 679458 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 681952 Heptenophos, 10.0 µg/ml, Acetone, 10ml Price on request 12153.3-100-ME 2-Chloropropene,100 µg/mL,MeOH,1mL, Price on request 91704 EPA Method 502.2 Surrogate Standard Price on request