Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52314 GFAA Calibration Price on request 79104 Acetaldehyde Price on request 0133.29-100-IO 30-Norhop-17(21)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10379-57-4 Price on request