PCB Calibration Solution, 100µg/ml in Acetone, 1ml Back Catalog number: C-CCSEC-R Availability: In the manufacturer's stock Price on request - + Recommended 8222.11-100 Carbophenothion, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 786-19-6 Price on request 57834 Selenium (Se) Price on request 79363 trans-Chlordane Price on request