CAS number： 72-19-5
Molecular formula： C4H9NO3
molecular weight： 119.1192
Chemical structure：
| PRODUCT | L-TRYPTOPHAN (FEED GRADE) | ||
| SHELF LIFE | 2 YEARS | ||
| ANALYSIS ITEM | STANDARD | RESULTS | CONCLUSION |
| APPEARANCE | WHITE OR SLIGHTLY YELLOW CRYSTALLINE POWDER WITH SLIGHT ODOR | WHITE OR SLIGHTLY YELLOW CRYSTALLINE POWDER WITH SLIGHT ODOR | QUALIFIED |
| ASSAY(TEST BY TITRATION, ON DRY MATERIAL) | ≥98.0% | 98.4% | QUALIFIED |
| LOSS ON DRYING | ≤0.5% | 0.30% | QUALIFIED |
| CRUDE ASH | ≤0.5% | 0.27% | QUALIFIED |
| ROTATION | -29.0~32.8 | -30.5% | QUALIFIED |
| PH | 5.0~7.0 | 5.78 | QUALIFIED |
| CONCLUSION | CONFORM WITH GM/T25735-2010 | ||
