4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678378 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1972.12-100-IO 2,2',4,4',5,6'-Hexabromodiphenyl ether,100 µg/mL,isooctane,1mL, Price on request 71648 Propionic acid isobutyl ester Price on request 9428.12-5MG Endrin aldehyde, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 7421-93-4 Price on request