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 9960.30-5UG 5ß(H),17 alpha(H),21ß(H)-Hopane (mix. with 0132.30), neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 1171.20-K-IO 10-Methylnonadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 56862-62-5 Price on request L20425100AL 1-Chloronaphthalene, 10µg/mL in Acetonitrile, 10ml Price on request