Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9419.19-K-ME Warfarin, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81-81-2 Price on request 676983 D4-Triclocarban, 5mg Price on request 30087 EPA Method 507/525 Analyte Mix #6 Price on request