Celecoxib,1000 µg/mL,acetonitrile,1mL,

ASTM D-5441MTBE Contaminant Low Conc

3-Methylfluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1706-01-0

Isofenphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 25311-71-1