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. It appears as a white crystalline powder with mild odor.
L-Tryptophan is stocked by SoleChem for customers in nutraceuticals and supplements, animal nutrition, and pharma and healthcare, and is available for bulk orders. The material is delivered in 25 kg PE-lined drums or aluminum bags.
Orders are handled under ISO 9001:2015, ISO 22000:2018 for food and nutraceutical products, and GMP+ FSA for feed products. A certificate of analysis (COA) and safety data sheet (SDS) accompany every delivery, and SoleChem delivers to more than 40 countries. Buyers can request a bulk quote for the quantities and packaging format they need.
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.
Applications by Industry
- Nutraceuticals & Supplements
L-Tryptophan serves supplement formulators as a precursor to serotonin and melatonin, supporting mood regulation, sleep enhancement and protein enrichment in dietary supplement blends.
- Animal Nutrition
L-Tryptophan is utilized in feed and functional food applications, extending its use beyond pharmaceutical and dietary supplement formulations.
- Pharma & Healthcare
L-Tryptophan is used in pharmaceutical applications, where its role as a precursor to serotonin and melatonin supports mood regulation and sleep enhancement.
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.