Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90665 Isobutanol Price on request 79346 Stirophos Price on request 678093 Flutolanil, 100 µg/ml, Acetonitrile, 1ml Price on request