Calibration Mix #1, 200µg/ml in MeOH, 1ml Back Catalog number: 20149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8715.9-100-IO Anilazine-d4 (ring-d4), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219802-20-6 Price on request 50729 Multi-Element Standard Price on request 10982.9-100-ME (±)-Vanillomandelic acid-d3,100 µg/mL,MeOH,1mL, Price on request