Group 4 PCB’s - Mix Type / Low Incidence Back Catalog number: 66215 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50646 Cacodylic acid, sodium salt trihydrate (As) Price on request 1455.16-250MG 2,4-Bis(1-methylbutyl)phenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 96-94-6 Price on request 94729 3,3’-Dimethylbenzidine Price on request