3-Benzyloxyphenylboronic Acid (contains varying amounts of Anhydride) size:25 GM 00% ASSAY (HYDROXYPROPOXY GROUPS) 4

00% ASSAY (HYDROXYPROPOXY GROUPS) 4 12

00% SPECIFIC GRAVITY @ 20[d/20[dC 0

05 HALIDES (as Cl) 100 ppm

Test Specification Min Max ASSAY (w/w) 65 - 71% 65 - 71% ALUMINUM 100 ppt ANTIMONY (Sb) 100 ppt ARSENIC (As) 100 ppt BARIUM (Ba) 100 ppt BERYLLIUM (BE) 100 ppt BISMUTH 10 ppt CADMIUM (Cd) 10 ppt CALCIUM (Ca) 100 ppt CERIUM 10 ppt CESIUM 10 ppt COBALT (Co) 100 ppt COPPER (Cu) 100 ppt DYSPROSIUM 10 ppt ERBIUM 10 ppt EUROPIUM 10 ppt GADOLINIUM 10 ppt GALLIUM (Ga) 10 ppt HAFNIUM AS REPORTED AS REPORTED HOLMIUM 10 ppt INDIUM 10 ppt IRON (Fe) 100 ppt LANTHANUM 10 ppt LEAD (Pb) 10 ppt LITHIUM 100 ppt LUTETIUM 10 ppt MAGNESIUM (Mg) 100 ppt MANGANESE (Mn) 100 ppt MOLYBDENUM (Mo) 100 ppt NEODYMIUM 10 ppt NICKEL (Ni) 100 ppt NIOBIUM AS REPORTED AS REPORTED PALLADIUM 10 ppt PLATINUM 100 ppt POTASSIUM (K) 100 ppt PRASEODYMIUM 10 ppt RHODIUM (Rh) 10 ppt RUBIDIUM (Rb) 10 ppt SAMARIUM 10 ppt SCANDIUM 100 ppt SILVER (Ag) 100 ppt SODIUM (Na) 100 ppt STRONTIUM (Sr) 100 ppt TANTALUM AS REPORTED AS REPORTED TELLURIUM 10 ppt TERBIUM 10 ppt THALLIUM (Tl) 100 ppt THORIUM 10 ppt THULIUM 10 ppt TIN (Sn) 100 ppt TITANIUM (Ti) 100 ppt TUNGSTEN AS REPORTED AS REPORTED URANIUM 10 ppt VANADIUM (V) 100 ppt YTTERBIUM 10 ppt YTTRIUM 10 ppt ZINC (Zn) 100 ppt ZIRCONIUM (ZR) 100 ppt EXPIRATION DATE

Test Specification Min Max APPEARANCE WHITE TO CREAM P WHITE TO CREAM P GLUCOSE CONTENT (DRIED BASIS) 36 - 50% 36 - 50% pH OF A 1% SOLUTION 3

3-Benzyloxyphenylboronic Acid (contains varying amounts of Anhydride) size:25 GM 00% ASSAY (HYDROXYPROPOXY GROUPS) 4