Tilmicosin Phosphate
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Molecular Structure
Detailed Description
Tilmicosin Phosphate
English name:Tilmicosin phosphate
The Chorus:20-Deoxo-20-(3,5-dimethyl-1-piperidinyl)desmycosin phosphate
CAS No.: 137330-13-3
Molecular formula:C46H80N2O13.H3PO4
Molecular weight:967.14
Appearance:almost white crystals ,yellowish powder.
Usage:To gram-positive bacteria and some gram-negative bacteria and mycoplasma.
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%
- Tilmicosin Phosphate