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 30058 EPA Method 502/524 High Conc VOC Mix #1 Price on request 1602.9-100-IO 5-Fluoro-3-methylbenzo[b]thiophene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17514-63-5 Price on request 680359 Nitrobenzene, 250mg Price on request