L-Tryptophan
Product Description
| Product | L-Tryptophan |
| CAS | 73-22-3 |
| Formula | C11H12N2O2 |
| Synonym | L-alpha-Amino-3-indolepropionic Acid, L-Tryptophan, L-Tryptophan |
Typical Product Specifications
| Appearance | White or yellow slightly crystalline powder |
| Chlorides | <0.05% |
| Loss on Drying | <0.30% |
| pH | 5.5~7.0 |
| Specific Rotation | -29.4~-32.8° |
| Sulfates | <0.03% |
| Iron | <0.003% |
| Residue on Ignition | <0.10% |
| Heavy Metals | <15ppm |
| Assay; CF, USP 26 | 98.5~101.5% |
| Insolubility | in chloroform |
| Melting Point | 289 c (dec.) |
| Odor | wh. cryst. or cryst. odorless powd., sl. bitter taste |
| Molecular weight | 204.23 |
| Solubility | 4 gl in water |
| Chemical Structure |  |
| Class | Vitamins - Nutritional Ingredients - Amino Acids |
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