Heptachlor, 10µg/mL in Cyclohexane, 10ml Back Catalog number: L14090000CY Availability: In the manufacturer's stock Price on request - + Recommended S-4565-8K-ETX5 EN 15721 Internal Standard Stock Solution, procedure A 1382.2 Ethanol 8mL Pentanol-3 80µL (Gives a concentration of approx. 8mg/mL) Price on request 70085 4-Chlorophenyl phenyl ether Price on request 90521 Phenyl ether Price on request