Prednisone, Anhydrous, Micronized, USPTest Specification Min Max ASSAY (ANHYDROUS BASIS) 97. 0 102. 0 % SPECIFIC ROTATION [a][@D@] +167 to +175 +167 to +175 WATER DETERMINATION 1. 0 % RESIDUE ON IGNITION NEGLIGIBLE NEGLIGIBLE ORGANIC IMPURITIES TO PASS TEST ELEMENTAL IMPURITIES: CHROMIUM (Cr) AS REPORTED NICKEL (Ni) AS REPORTED IDENTIFICATION TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST