23-Dimethoxyphenylboronic Acid (contains varying amounts of Anhydride) Silyl Esters Test Specification Min Max ASSAY

Test Specification Min Max ASSAY (MnSO[@4@][-H[@2@]O) 98

Test Specification Min Max ASSAY (as C[@10@]) 98% APPEARANCE CLEAR

Test Specification Min Max ASSAY 99% 99% RETEST DATE

00% ELEMENTAL IMPURITIES: LEAD (Pb) AS REPORTED AS REPORTED NICKEL (Ni) AS REPORTED AS REPORTED COPPER (Cu) AS REPORTED AS REPORTED CHROMIUM (Cr) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

00% OPTICAL ROTATION +91 to +98 +91 to +98 LOSS ON DRYING 2

23-Dimethoxyphenylboronic Acid (contains varying amounts of Anhydride) Silyl Esters Test Specification Min Max ASSAY