Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 674601 Clodinafop-propargyl, 10.0 µg/ml, Acetonitrile, Price on request 0026.40-10UG Quaterrylene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 188-73-8 Price on request 676221 alpha,alpha,alpha-Trifluorotoluene, 250mg Price on request