Heptachlor epoxide Back Catalog number: 79168 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51124 Internal Standard ASTM D-5307 Price on request ACQ-AQ05-115 Ethanol standard in water,0.5g/L,water, 1.5mL Price on request 681953 Paraoxon-ethyl, 10.0 µg/ml, Acetone, 10ml Price on request