Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 79290 4,4’-DDD Price on request 1847.12-1G 2,3-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2169-87-1 Price on request 43010 4,4'-Dibromooctafluorobiphenyl Price on request