4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675970 Heptadecafluorooctanesulfonic acid potassium salt, Price on request 40316 Anthracene Price on request 0877.16-500-IO 1,4-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 22349-59-3 Price on request