Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 59827 Metals Mix #1Low Conc. Price on request B4TBPPP Bis(4-tert-butylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene Price on request 11318.21-10MG Cetirizine dihydrochloride,neat,neat,10mg, Price on request