TOC Calibration Standard Back Catalog number: 50240 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2777.10-100-CY Heptachlor-endo-epoxide (trans-), 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1024-57-3 Price on request 673093 Acetaminophen, 250mg Price on request 8553.26-K-IO Ethyltri-n-octyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request