Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11035.3-K-ME 2-Methoxyethanol-1,1,2,2-d4,1000 µg/mL,MeOH,1mL, Price on request 677470 Tritosulfuron, 100mg Price on request 0816.14-1-W Phenanthrene, certified to near 1ug/ml, 1000ng/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 85-01-8 Price on request