Heptachlor epoxide Back Catalog number: 79050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675973 D3-Methomyl, 10mg Price on request 25015 Base/Neutral & Acid Surrogate Standard Price on request S-4199-30K-IO Resolution Standard 2 Analytes, each 3,0 Wt.% in isooctane; units: 1x1mL, 5x1mL 1,3,5-Trimethylbenzene 1-Methyl-2-ethylbenzene Price on request