QC Check Sample Back Catalog number: 59250 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72299 1,3-Diethyl-1,3-diphenyl urea Price on request 10907.12-100-IO 2,2',3,4,5,5'-Hexachlorobiphenyl-3',4',6'-d3,100 µg/mL,isooctane,1mL Price on request 2169.6-200-MEX5 Aniline Price on request