4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C17594000 Toluene, certified, 5ml Price on request MBP-206 2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml Price on request 0212.18-200-T Chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 218-01-9 Price on request