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 |