4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 681915 4,4'-Dibromobenzophenone, 100 µg/ml, Ethyl acetat Price on request 3434.12-100 MCPB-methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 57153-18-1 Price on request 93126 EPA Method 622/8140 - Analytes Price on request