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 2820.7-50-ME Perfluorocyclohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 374-88-9 Price on request L429-RS Method 429 Recovery Standard Solution, 100µg/ml in Isooctane/10% toluene, 1,2ml Price on request 10049.24-50-AN JWH-016 COOH, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request