Quinidine Sulfate Dihydrate USP size:10 GM Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE GOLDEN-BROWN TO GOLDEN-BROWN TO PARTICLE SIZE 40 - 80 MESH 40 - 80 MESH MOISTURE 10% MICROBIAL LIMITS: TOTAL PLATE COUNT 10000/g YEAST AND MOLD 500/g ESCHERICHIA COLI NEGATIVE SALMONELLA NEGATIVE

10% C22:0 1 5% C22:1 0

Test Specification Min Max PRASEODYMIUM 995 - 1005 ppm 995 - 1005 ppm EXPIRATION DATE

RNase and Protease NONE DETECTED NONE DETECTED

Quinidine Sulfate Dihydrate USP size:10 GM Test Specification Min Max APPEARANCETest Specification Min Max ASSAY (ANHYDROUS BASIS) 99 101. 00% SPECIFIC ROTATION [a][@D@] +275?? to +288?? td> +275?? to +288?? td> WATER DETERMINATION 4 5. 50% RESIDUE AFTER IGNITION 0. 10% ORGANIC IMPURITIES TO PASS TEST TO PASS TEST CHLOROFORM ALCOHOL INSOLUBLE SUBSTANCES 0. 10% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED DIHYDROQUINIDINE SULFATE 20. 00% IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE