1,2,4,5-Tetramethylbenzene Back Catalog number: 71222 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677533 Chrysene, 25mg Price on request 2715.9-50-ME Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-95-1 Price on request 57133 Arsenic (As) Price on request