Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 4M163 2,3,3',4',5,6-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 9282.28-25MG Sildenafil citrate,neat,neat,25mg Price on request M331190 N2-Methyl Trimethoprim (Impurity), 10mg Price on request