Diflubenzuron, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 673257 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677129 Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane, Price on request 79597 Phenanthrene-d10 Price on request 678654 2-Chloro-5-nitrotoluene, 100mg Price on request