Tilmicosin Phosphate

Tilmicosin Phosphate Appearance White or faint yellow powder Identification 1、 should comply with the phosphate identification test 2、 HPLC: the retention time obtain from the test solution corresponds to that obtained from the standard solution 3、 Infra-red spectrum: infra-red spectrum of the sample corresponds to that of the reference standard pH 5.5--7.5 Water ≤5.0% Individual related substance ≤3.0% Total related substance ≤10%MAX Cis-isomer 82.0%--88.0% Tran-isomer 12.0%--18.0% Assay (on dried basis) ≥75.0% Optional Information - Origin : China