Dextran Sulfate Sodium Salt Powder Light Research Chemicals 5 % COLOR AND CLARITY

5 % COLOR AND CLARITY OF SOLUTION TO PASS TEST TO PASS TEST pH OF A SATURATED SOLUTION 3

Test Specification Min Max MELTING POINT 281 - 282 C 281 - 282 C

01% ELEMENTAL IMPURITIES: CADMIUM (Cd) AS REPORTED AS REPORTED VANADIUM (V) AS REPORTED AS REPORTED MOLYBDENUM (Mo) AS REPORTED AS REPORTED CHROMIUM (Cr) AS REPORTED AS REPORTED LEAD (Pb) 2 mg/kg CHLORIDES 330 ppm SULFATES (SO[@4@]) 0

Test Specification Min Max ASSAY 96%

Dextran Sulfate Sodium Salt Powder Light Research Chemicals 5 % COLOR AND CLARITYTest Specification Min Max APPEARANCE WHITE YELLOW PWD WHITE YELLOW PWD APPEARANCE WHITE YELLOW PWD WHITE YELLOW PWD GLUCOSE CONTENT 35 48 % 35 48 % GLUCOSE CONTENT 35 48 % 35 48 % pH OF A 1% SOLUTION 4. 0 7. 5 4. 0 7. 5 pH OF A 1% SOLUTION 4. 0 7. 5 4. 0 7. 5 RESIDUE ON IGNITION 40 50 % 40 50 % RESIDUE ON IGNITION 40 50 % 40 50 % SPECIFIC ROTATION [a][@D@] +75?? to +105?? td> +75?? to +105?? td> SPECIFIC ROTATION [a][@D@] +75?? to +105?? td> +75?? to