4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2530.11-100-ME 2-Methoxynaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 93-04-9 Price on request 678001 Methamidophos, 100 µg/ml, Toluene, 1ml Price on request 1555.26-K-IO n-Hexacosane-d54, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219803-91-4 Price on request