Acids Calibration Level 5 Back Catalog number: 94842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1672.8-K-IO 1,2,7,8-Tetrachlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-19-0 Price on request 66168 2,3',4,4',5',6-Hexachlorobiphenyl (168) Price on request 3227.20-K-IO Arachidonic acid (5,8,11,14 all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-32-1 Price on request