4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-4150-100AN5 Propazin, 100μg/ml in Acetonitrile, 5ml Price on request 0082.5-1ML 3-Methyl-1-butanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 541-31-1 Price on request HPCHLOR Heptachlor, 1.2mL x 100ug/mL, nonane Price on request