Mixed Calibration Standard 2 Back Catalog number: 52054 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1900.18-100-T 1-Fluorochrysene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 68127 3,3',4,5,5'-Pentachlorobiphenyl (127) Price on request 677142 Cephapirin benzathine, 100mg Price on request