Levocarnitine, Free Base, USPTest Specification Min Max ASSAY (ANHYDROUS BASIS) 97. 0 103. 0% SPECIFIC ROTATION 29 to 32 29 to 32 pH 5. 5 9. 5 WATER DETERMINATION 4. 0% RESIDUE ON IGNITION 0. 5% CHLORIDE 0. 4% POTASSIUM 0. 2% SODIUM 0. 1% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST