AA Standard #1 Back Catalog number: 59227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8923.16-500MG Perfluorokerosene (bp. 70-200) for Mass spectrometry, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. Price on request 11797.20-10MG 9-Carboxynonyl-7-carboxyheptyldimethyl ammonium bromide,neat,neat,10mg, Price on request 673137 2-Chloro-6-methylphenol, 100mg Price on request