CAS number： 63-91-2
Molecular formula： C9H11NO2
molecular weight： 165.19
Chemical structure：
| Product Name | L-Phenylalanine | |
| Shelf Life | 2 years | |
| Item | Specifications | Test Results |
| items of analysis | white crystalline powder | Complies |
| Identifiction test | Infrared absorption | Complies |
| Specific rotation | -32.7° ~ -34.7° | - 34.5° |
| Chloride(cl) | ≤0.05 | ＜0.02 |
| Sulfate(SO4) | ≤0.03 | ＜0.02 |
| PH | 5.4-6.0 | 5.87 |
| content | 98.5 － 101.5 | 99.0 |
| Loss on drying | ≤0.30 | 0.10 |
| Heavy metals(pb) | ≤15ppm | ＜10ppm |
| Residue on ignition | ≤0.4 | 0.07 |
| Iron(Fe) | ≤30ppm | ＜30ppm |
| Transmittance | ＞90 | 96 |
| Conclusion | This product conforms to the USP26 standard | |
