CLP - Instrument Performance Check Soln Back Catalog number: 19367 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0458.17-K-IO 2,6,9-Trimethylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66271-32-7 Price on request 73246 Phenazopyridine Price on request 11684.12-100-IO 2,2',3,4-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request