| Product Name |
L-Tryptophan | Molecular Formula | C11H12N2O2 |
| CAS Number |
73-22-3 | Molecular Weight | 204.2 |
| Appearance | White fine crystals | Assay |
99%(min) |
| ph | 5.5~7.0 | Chloride(Cl) | ≤0.020% |
| Sulfate(SO4) | ≤0.020% | Ammonium(NH4) | ≤0.020% |
| Iron (Fe) | ≤10ppm | Heavy metals(pb) | ≤10ppm |
| Arsenic(AS2O3) | ≤1ppm | Other amino acids | ≤0.020% |
| ≤0.2% | Residue on ignition | ≤0.1% | |
| ≥98.0% | Specific Rotation | -29.4~ -32.8°(C=1 in H2O) |