CERTIFICATE OF ANALYSIS
L-PHENYLALANINE
BATCH NO: 050802
MANUFACTURING DATE: AUG.23.2005
EXPIRY DATE: AUG.22.2007
| ITEM | SPECIFICATION | RESULT |
| 1. Identification: | Meet the requirements | Conforms |
| 2. PH: | 5.4 to 6.0 | 5.85 |
| 3. Chloride: | Not more than 0.05% | Less than 0.02% |
| 4. Sulfate: | Not more than 0.03% | Less than 0.02% |
| 5. Iron: | Not more than 0.003% | Less than 0.003% |
| 6. Specific rotation: | -32.7 to -34.7 | -34 |
| 7. Loss on drying: | Not more than 0.03% | Less than 0.02% |
| 8. Residue on ignition: | Not more than 0.4% | Less than 0.01% |
| 9. Heavy metals | Not more than 0.0015% | Less than 0.0015% |
| 10. Chromatographic purity: | Meet the requirements | Conforms |
| 11. Organic volatile impurities: | Meet the requirements | Conforms |
| 12. Assay: | 98.5% to 101.5% | 99.1% |
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