Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9479.7-100K-ME Spermidine, 100mg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 124-20-9 Price on request 2765.6-100-AN 4-Chloroaniline,100mg/mL,acetonitrile,1mL, Price on request 50331 Cation Mix #2 Price on request