4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1217.17-200-IO 8-Methyl-7(H)-benzo[c]carbazole, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117044-44-7 Price on request 0025.16-10MG 3-Nitrofluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 892-21-7 Price on request 0794.18-500-IO Retene, 500µg/mL in Isooctane, 1ml Price on request