4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Back Catalog number: S-FC93S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 673525 Chlorpyrifos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 0305.17-200-T 4-Methylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3353-12-6 Price on request 0419.16-150-CYX10 n-Hexadecane, ?13C: - 33.71, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 544-76-3 Price on request