SPECIFICATION
Appearance | White or almost white crystalline powder or colorless crystals |
Appearance of solution | Clear and not more intensely colored than reference solution BY6 |
Assay | 98.5-101.0% |
Specific optical rotation | +26.5°- +29.0° |
Ninhydrin-positive substances | Any impurity ≤ 0.5% |
Chloride | ≤0.02% |
Sulfate | ≤0.03% |
Ammonium | ≤0.02% |
Iron | ≤ 10ppm |
Heavy metals | ≤ 10ppm |
Lead | ≤ 5ppm |
Loss on drying | ≤0.5% |
Residue on ignition | ≤0.1% |
MOLECULAR STRUCTURE:
![图片1.jpg](https://ljcloudglobal.oss-cn-hongkong.aliyuncs.com/wp-content/uploads/ahapnf/2023/05/20220427114952553.webp)
Molecular Formula:C5H11NO2