CAS number： 15318-45-3
Molecular formula： C12H14Cl2N2O7S
molecular weight： 401.22
Chemical structure：
| Product name: | Thiamphenicol | |
| Expiry Date: | Four years | |
| Inspection Standard: | BP2012 | |
| Identification | Standards | Results |
| Acidity or alkalinity | Complies | |
| Light absorption | Complies | |
| Melting point | 163℃ to 167℃ | 165℃% |
| Specific optical rotation | -21° to -24° | -21.3° |
| Heavy metals | ≤10ppm | ＜10ppm |
| Loss on drying | ≤1.0% | 0.2% |
| Chloride | ≤0.02% | ＜0.02% |
| Assay | 98.0% to 100.5% | 99.2 |
| Sulphated | ≤0.1% | 0.04% |
| Conclusion : Complies with BP2012 | ||
