Color Back Catalog number: 54255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2661.12-K-IO Arochlor 1232, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11141-16-5 Price on request C11824500 Cyclohexane, 5ml Price on request 95989 Method 8121 - Surrogate Standard Price on request