PAH Standard Back Catalog number: 93462 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66198 2,2',3,3',4,5,5',6-Octachlorobiphenyl (198) Price on request 56034 Selenium (Se) Price on request 8439.13-10MG 2-(4-Aminophenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-3, Cas.no. 2963-77-1 Price on request