2,4',5-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: MBP-31 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 52316 GFAA Spike Standard Price on request 2125.12-10-IOX5 Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2 Price on request 677528 4,4'-DDD, 250mg Price on request