Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56074 Tungsten (W) Price on request 1604.12-50-IO 2-Fluorodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 124330-20-7 Price on request P6MHPS Perfluoro-6-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol Price on request