Heptachlor-endo-epoxide (trans-, isomer A), 10µg/ml in CY, 10ml Back Catalog number: L14102000CY Availability: In the manufacturer's stock Price on request - + Recommended 94047 Semi-Volatile Standard Price on request 30050 EPA Method 548 Calibration Solution Price on request 0199.9-K-IO 6-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-47-6 Price on request