Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1675.12-100-IO 1,2,11,12-Tetrachlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 210115-98-3 Price on request 1217.17-200-IO 8-Methyl-7(H)-benzo[c]carbazole, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117044-44-7 Price on request 1101.13-K-IO 1-Methyldibenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7320-50-5 Price on request