rIifamycin S Rifampicin S Sodium Rifaximin COS, GMP Certificate DMF Open Part Indian Registration Russian Registration CHARACTERISTICS A BROWNISH-REDCRYSTALLINE POWDERCONFORMSIDENTIFICATION TESTS: CONFORMSCONFORMSACIDITY PH 4.5 6.54.8RELATED SUBSTANCES RIFAMPICIN QUINONE MAX. 1.5%<1.5% ONE PEAK MAX. 1.0%<1.0% SUM OF PEAKS MAX. 3.5%<3.5%HEAVY METALS MAX.20PPM<20PPMLOSS ON DRYING MAX. 1.0%0.4%SULPHATED ASH MAX. 0.1%0.05%ASSAY 95.0 103%100.8%