1,3,5-Trimethylbenzene, 250mg Back Catalog number: 681634 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 98645 California Gas Additive Standard Price on request 2786.14-100-IO 3,3'-Dimethylbenzidine, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 119-93-7 Price on request 52071 Spiking Standard 5 Price on request