CLP Calibration Std. I Back Catalog number: 53149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674053 Propamocarb hydrochloride, 250mg Price on request 66215 Group 4 PCB’s - Mix Type / Low Incidence Price on request R415002 Riboflavin-13C,15N2, 1mg Price on request