Test Specification Min Max BISMUTH Approx. 50.0 % Approx. 50.0 % LEAD (Pb) Approx. 25.0 % Approx. 25.0 % TIN (Sn) Approx. 25.0 % Approx. 25.0 %

Test Specification Min Max APPEARANCE

Test Specification Min Max ASSAY 97% 97% MELTING POINT 167 - 169 C 167 - 169 C RETEST DATE

Test Specification Min Max ABSORPTION MAX 543 (355) nm 543 (355) nm

Test Specification Min Max MELTING POINT 87?? 94?? SPECIFIC ROTATION [a][@D@]20 + 8??+/- 1??/td> + 8??+/- 1??/td>

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max PURITY (HPLC): QUINIDINE 80% DIHYDROQUINIDINE 20% EXPIRATION DATE

Test Specification Min Max ASSAY 97% RETEST DATE

Test Specification Min Max ASSAY 99% CHLORIDE (Cl) 0.01% WATER 1%

Test Specification Min Max RUTHENIUM 35%

Test Specification Min Max ASSAY 99% EXPIRATION DATE

Test Specification Min Max SPECIFIC GRAVITY @ 25[dC 0.855-0.865 0.855-0.865 REFRACTIVE INDEX @ 20[dC 1.456-1.466 1.456-1.466

Test Specification Min Max IR SPECTRUM MEETS STANDARD MEETS STANDARD SOLUBILITY TO PASS TEST TO PASS TEST PROTEIN CONJUGATION APPROX. 95 % APPROX. 95 % TLC ONE SPOT ONE SPOT...

Test Specification Min Max ASSAY APPROX. 99.9% APPROX. 99.9%

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE YELLOW POWDER YELLOW POWDER MELTING POINT 57 - 65?? 57 - 65?? RETEST DATE

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max APPEARANCE

Test Specification Min Max TOTAL METAL IMPURITIES 600 ppm