Urea Back Catalog number: 93626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95453 PCB Congeners & Hexachlorobenzene Mix #4 Price on request 11738.12-100-IO 2,2',3,3',6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 8641.12-50-T 1,3-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request