Heptachlor Back Catalog number: 70192 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8872.6-K-IO 2-Acetylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 92971 VOC Standard Price on request 30224 EPA Method 515.1 - Performance Check Solution Price on request