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 0678.27-100-IO Cholest-3,5-diene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 747-90-0 Price on request 82524 EPA Method 8250 Base/Neutrals Spiking Solution Price on request 3646.39-K-IO 1,3-Dioleoylglycerol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 25637-84-7 Price on request