Calibration Standard Mix 5 Back Catalog number: 52047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8355.13 4-Methoxy-2,2',3,4',5,5',6-heptachlorobiphenyl, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request 2545.14-500MG (+/-)Atenolol, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 29122-68-7 Price on request 13170-50AC5 Methylphenols - Mix 13, 50µg/ml in Acetone, 5ml Price on request