Heptachlor, 10µg/mL in Cyclohexane, 10ml Back Catalog number: L14090000CY Availability: In the manufacturer's stock Price on request - + Recommended 1518.11-100-IO 4-Isopentylphenol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1805-61-4 Price on request CA15986810 Perfluoroethanesulfonic acid, 10mg Price on request 677827 Dimethylsulfoxide, 5ml Price on request