Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3724.18-100MG Sodium dodecylbenzenesulfonate, mixture of linear C10-C14, neat, 100mg Price on request 675958 1-(3,4-Dichlorophenyl)urea, 100 µg/ml, Acetonitri Price on request 9916.26-K-IO Di-iso-nonyl phthalate in mixture with C8-10-branched alkyl o-phthalate , C9-rich, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 68515-48-0 Price on request