CAS number： 1037-50-9
Molecular formula： C12H13N4NaO4S
molecular weight： 332.3108
Chemical structure：
| Product Name | SULPHADI METHOXINE Sodium | |
| Shelf Life | 4 years | |
| Item | Specification | Result |
| Description | A White or creamy- white Crystalline powder | White or creamy- white Crystalline powder |
| Solubility | Freely soluble in water | Conforms |
| Identification | A yellow color is produced | Conforms |
| HPLC Method | Conforms | |
| The solution turns yellow | Conforms | |
| A red-orange precipitate is formed | Conforms | |
| pH | 8.0-9.5 | 9.23 |
| Loss on drying | ≤5.0% | 2.96% |
| Heavy Metals | ≤20ppm | ＜20ppm |
| Assay | 98. 0%- 102. 0% | 99. 38% |
| Conclusion | The above product conforms to USP32. | |
