Freon Standard Back Catalog number: 95157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1144.24-10MG n-Tetracosane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 646-31-1 Price on request 15900-0162C-100WS AMPA-13C-15N, 100μg/ml in Water, 1ml Price on request MBP-D7 Mass-Labelled PCB Congener Solution/Mixture, 1.2ml, nonane Price on request