Allopurinol EP Impurity B, 250mg Back Catalog number: F696750 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 684300 Diatrizoate sodium, 100mg Price on request B689902 Busulfan-d8, 2,5mg Price on request 8483.34-100-ME Metoprolol tartrate, 100µg/ml in MeOH, 1ml Price on request