Heptachlor Back Catalog number: 79300 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended WP-CS1,2,3,4,5,6, Individual Calibration Solutions, 500ul, nonane Price on request 1117.20-200-T Dinaphtho[1,2-b;2',1'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-69-0 Price on request 0188.4-1ML 2-Methyl-2-propanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-66-1 Price on request