Allopurinol, 100µg/ml in Acetonitrile, 5ml Back Catalog number: 18000-0037-100AN5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 59386 Metals Mix Price on request 59558A Metals Mix #2 Price on request S-4259-ASS-IO Aromatics Calibration Standards Kit (4 Internal Standard Version) 24 Analytes + 4 ISTD, each Vol.% as listed in isooctane; units: 5x1mL Set, one of each Std. 1-5 + opt. 1x1mL (Std. 6) To these calibration standards are 4 deuterated Internal Standards Price on request