Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51059 ASTM D-4815 Calibration Mix #2 Price on request 10547.16-K-IO 9-Hydroxy-9-n-methylfluorene Price on request 94590 n-Hydrocarbon Standard (C5-C18), 2000µg/ml in MeOH, 1ml Price on request