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

Test Specification Min Max ASSAY (ANHYDROUS BASIS) as ASCORBIC ACID 73

Test Specification Min Max PARAROSANILINE ACETATE (CAS # 6035-94-5) 3 parts 3 parts PARAROSANILINE CHLORIDE (CAS # 569-61-9) 1 parts 1 parts APPEARANCE Green to very da Green to very da IDENTIFICATION TO PASS TEST TO PASS TEST SOLUBILITY OF 1 MG/ML SOLUTION (COLOR) Red to very dark Red to very dark

Test Specification Min Max ASSAY 97% 97% MELTING POINT 51 - 57 C 51 - 57 C

RNase and Protease NONE DETECTED NONE DETECTED

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