Calibration Std. #2 Back Catalog number: 59967X Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4PFHPA Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 673950 Tioconazole, 250mg Price on request H947910 7-Hydroxy Mitragynine, 0,25mg Price on request