4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70477 2,3,4,6-Tetrachlorophenol Price on request 8397.9-100-ME Pinic acid, 100µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 473-73-4 Price on request 8916.14 2-Methyl-3,3',4,4'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request