Calibration Std. #1 Back Catalog number: 59964X Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12002.34-K-IO Di-n-ditridecyl phthalate,1000 µg/mL,isooctane,1mL, Price on request 674045 Celiprolol, 10.0 µg/ml, Acetonitrile, 10ml Price on request 676715 Tyramine, 100mg Price on request