CAS number： 22839-47-0 7421-84-3
Molecular formula： C14H18N2O5
molecular weight： 294.3031
Chemical structure：
COA
| ITEMS | STANDARD |
| APPEARANCE | WHITE GRANULAR OR POWDER |
| ASSAY (ON DRY BASIS) | 98.00%-102.00% |
| TASTE | PURE |
| SPECIFIC ROTATION | +14.50°~+16.50° |
| TRANSMITTANCE | 95.0% MIN |
| ARSENIC( AS) | 3PPM MAX |
| LOSS ON DRYING | 4.50% MAX |
| RESIDUE ON IGNITION | 0.20% MAX |
| L-a-ASPARTY-L-PHENYLALAINE | 0.25% MAX |
| PH | 4.50-6.00 |
| L-PHENYLALANINE | 0.50% MAX |
| HEAVY METAL( PB) | 10PPM MAX |
| CONDUCTIVITY | 30 MAX |
| 5-BENZYL-3,6-DIOXO-2-PIPERAZINEACETIC ACID | 1.5% MAX |
| OTHER RELATED SUBSTANCES | 2.0% MAX |
| FLUORID( PPM) | 10 MAX |
| PH VALUE | 3.5-4.5 |
