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 19079 Toxaphene Price on request 10020 Herbicide Calibration Check - WS Price on request 2622.33-50-IO 17 alpha(H),21ß(H)-(22RS)-Trishomohopane , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54340-13-5 Price on request