Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673785 Demeton-S-methyl-sulfoxide, 100 µg/ml, Ethyl acet Price on request 40050 EPA Method 634 Analytes Price on request 58013 Aluminum (Al) Price on request