Calibration Standard Mix 7 Back Catalog number: 53015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676674 D7-Metoprolol tartrate, 10mg Price on request 8731.24-K-IO Bis(2-ethylhexyl) terephthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6422-86-2 Price on request 8684.14 Pyrifenox, , Solvent-, Unit , # of units-, Cas.no. 88283-41-4 Price on request