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 681995 Phenylglyoxylic acid, 100mg Price on request 0486.20-200-T Dinaphtho[2,1-b;1',2'-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 194-65-0 Price on request X9125 Kepone Price on request