L-Tryptophan
L-Trp
- CAS
- 73-22-3
- EC
- 200-795-6
- Sectors
- Nutraceuticals & Supplements, Animal Nutrition, Pharma & Healthcare
L-Tryptophan (CAS 73-22-3) is an essential aromatic amino acid and a precursor to serotonin and melatonin, supplied as a white to off-white crystalline powder with a mild odor, and used in dietary supplements, pharmaceuticals and animal feed.
Typical Properties
| Molecular formula | C11H12N2O2 |
|---|---|
| Molecular weight | 204.23 g/mol |
| Appearance | White to off-white crystalline powder |
| Form | powder |
| Color | White to yellow-white |
| Odor | wh. cryst. or cryst. odorless powd., sl. bitter taste |
| Melting point | 282 °C |
| Density | 1.34 |
| Water solubility | 11.4 g/L (25 °C) |
| pH | 5.5-7.0 (10g/l, H2O, 20°C) |
| HS code | 29339990 |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
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L-Tryptophan
Applications
Used in pharmaceuticals and dietary supplements for mood regulation, sleep enhancement, and protein enrichment. Also utilized in feed and functional foods.
Safety & Risks
Non-toxic; protect from light and moisture to prevent degradation.
Packaging
Delivered in 25 kg PE-lined drums or aluminum bags. Store cool, dry, and sealed.