Nimodipine, EPTest Specification Min Max ASSAY (DRIED BASIS) 98. 5 101. 5 % APPEARANCE OF SOLUTION TO PASS TEST TO PASS TEST OPTICAL ROTATION 0. 10 to +0. 10 0. 10 to +0. 10 LOSS ON DRYING 0. 5 % SULFATED ASH 0. 1 % RELATED SUBSTANCES TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST