ICP-MS Calibration Standard Back Catalog number: 59844 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0643.28-100-IO alphaßß (20R,24S)-24-Methylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 71117-90-3 Price on request 674949 Anhydroerythromycin A, 2,5mg Price on request 681204 (-)-Hyoscyamine, 100mg Price on request