4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675506 Fentin acetate, 250mg Price on request O0111 Diphenyl Oxalate, >98%, 25g Price on request 0763.16-500-IO 1,8-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7372-87-4 Price on request