4,4’-DDE Back Catalog number: X9055 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71400 (+/-)-Camphor Price on request 60034 CCME PAH Calibration Standard Price on request 2916.14-100-AN Acetochlor-d11 (2-ethyl-6-methylphenyl-d11) Price on request