2,3,6,7-Tetrachlorobiphenylene, 1.2ml x 50ug/ml, nonane Back Catalog number: CBP-2367 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 58033 Arsenic (As) Price on request 0443.8-K-ME Isooctane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 540-84-1 Price on request 3316.10-K-ME Bentazone,1000 µg/mL,MeOH,1mL Price on request