Mixed Calibration Standard 5 Back Catalog number: 53057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678217 Isoproturon-desmethyl, 100mg Price on request 0404.25-150-CY n-Pentacosane, ?13C: -28.21, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-99-2 Price on request 8908.14-100-T 3-Methyl-2,2',4,4'-tetrachlorodiphenylmethane Price on request