Allopurinol EP Impurity B, 250mg Back Catalog number: F696750 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 73925 Azithromycin, 1000µg/ml in MeOH, 1ml Price on request A11708000AL-100 (-)-Cotinine, 100µg/mL in Acetonitrile, 1ml Price on request T767570 Allopurinol EP Impurity C, 250mg Price on request