4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678380 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11759.12-100-IO 2,2',3,3',4,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 679971 Tridemorph, 10.0 µg/ml, Isooctane, 10ml Price on request 10900.17-100MG Promethazine hydrochloride,neat,neat,100mg Price on request