4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3984.8-K-CY cis-1,2,trans-1,3-1,2,3-Trimethylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 15890-40-1 Price on request 675625 Isoprothiolane, 100 µg/ml, Acetonitrile, 5ml Price on request 10859.18-K-ME Timolol Maleate Price on request