4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8913.14 5-Methyl-2,3',4,4'-tetrachlorodipehnylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 3516.9-100 2,4,5-T-methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1928-37-6 Price on request 676221 alpha,alpha,alpha-Trifluorotoluene, 250mg Price on request