SPECIFICATION
Appearance | A white or almost white, crystalline powder or colorless crystals |
Appearance of solution | Clear and not more intensely colored than reference solution Y7 |
Specific rotation | -11.0°~ -12.3° |
Ninhydrin-positive substances | ≤ 0.5% |
Chloride | ≤ 0.02% |
Sulfates | ≤ 0.03% |
Ammonium | ≤ 0.02% |
Iron | ≤10ppm |
Heavy metals | ≤10ppm |
Lead | ≤5ppm |
Loss on drying | ≤ 0.5% |
Residue on ignition | ≤ 0.1% |
Assay | 99.0-101.0% |
MOLECULAR STRUCTURE:
![图片1.png](https://ljcloudglobal.oss-cn-hongkong.aliyuncs.com/wp-content/uploads/ahapnf/2023/05/20220427114649953.webp)
Molecular Formula:C9H11NO3