p-Xylene, 5ml Back Catalog number: 679930 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0764.16-500-IO 1,9-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20291-73-0 Price on request X9086 3,3’-Dimethylbenzidine Price on request 11768.12-100-IO 2,3,3',4,5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request