Heptachlor epoxide Back Catalog number: 72764 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4212-20-4.5PE ISO 9377-2 Extraction Solvent Stock Solution I S-4212-20-100PE Units: 1x5mL, 5x5mL, 10x5mL extraction solvent stock solution 1x100ml and 5x100mL extraction solvent stock solution n-Decane 20 µL n-Tetracontane 20mg Pentane: Add to Price on request 673202 Atrazine, 10.0 µg/ml, Acetonitrile, 10ml Price on request 678964 Pyrene, 10 µg/ml, Cyclohexane, 10ml Price on request