trans-Heptachlor epoxide, 50mg Back Catalog number: N-13618-50MG Availability: In the manufacturer's stock Price on request - + Recommended 94384 Volatile Hydrocarbon Standard Price on request 59174 QC for Chloride and Sulfate Anions Price on request 676336 Spinosyn D, 100 µg/ml, Acetonitrile, 1ml Price on request