4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 12698.40-100-ME Bisoprolol hemifumarate, 100µg/ml in MeOH, 1ml Price on request CL-PFHXPA 6-Chloroperfluorohexylphosphonic acid, 50µg/ml in MeOH, 1,2ml Price on request 51039 MA - EPH Fractionation Surrogate Spike Price on request