Heptachlor Back Catalog number: 70192 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0461.15-K-IO 9-Methylanthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 779-02-2 Price on request 21001 CLP Volatile BTEX Standard Price on request 68C-CVS EPA Method 1668C Calibration Kit (5x200ul + 500ul CS3), 6 ampoules, nonane Price on request