4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673538 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2540.7-25MG Paraxanthine, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 611-59-6 Price on request 679989 Tropine, 100mg Price on request 66203 2,2',3,4,4',5,5',6-Octachlorobiphenyl (203) Price on request