Allopurinol EP Impurity A, 5g Back Catalog number: A603076 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 684735 Sotalol HCl, 100µg/ml in Acetonitrile, 1ml Price on request Y0001481 Metamizole impurity E , 0,01mg Price on request H825225 4’-Hydroxy Diclofenac, 1mg Price on request