Heptachlor-exo-epoxide (cis-, isomer B), certified, 10mg Back Catalog number: C14101000 Availability: In the manufacturer's stock Price on request - + Recommended 30092 EPA Method 502/524 Volatile Mix E Price on request 675139 Carfentrazone-ethyl, 10.0 µg/ml, Acetonitrile, 1 Price on request 58063 Europium (Eu) Price on request