See Part # 72551 Back Catalog number: 72553 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2007.12-5MG 3,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 70362-50-4 Price on request 32501 1,3,5-Trimethylbenzene Price on request 673569 Ethion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request