1. Materials information
Names
| Name | L-tryptophan |
|---|
| Synonym | More Synonyms |
|---|
L(-)-Tryptophan Biological Activity
| Description | L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1]. |
|---|
| Related Catalog | Research Areas >> Metabolic Disease |
|---|
| Target | Human Endogenous Metabolite |
|---|
| References | [1]. Slominski A, et al. Conversion of L-tryptophan to serotonin and melatonin in human melanoma cells. FEBS Lett. 2002 Jan 30;511(1-3):102-6. |
|---|
Chemical & Physical Properties
| Density | 1.4±0.1 g/cm3 |
|---|
| Boiling Point | 447.9±35.0 °C at 760 mmHg |
|---|
| Melting Point | 289-290 °C (dec.)(lit.) |
|---|
| Molecular Formula | C11H12N2O2 |
|---|
| Molecular Weight | 204.23 |
|---|
| Flash Point | 224.7±25.9 °C |
|---|
| Exact Mass | 204.089874 |
|---|
| PSA | 79.11000 |
|---|
| LogP | 1.04 |
|---|
| Vapour Pressure | 0.0±1.1 mmHg at 25°C |
|---|
| Index of Refraction | 1.698 |
|---|
2. Packaging of materials
For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.
For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product.
Or smaller package 1kg/bottle, 10kgs/bottle as request.


3. Shipping & Delivery
Provide door to door service
Suitable for goods under 50kg
Delivery: 3-7 days
Cost: low cost

Provide airport to airport service
Suitable for goods over 50kg
Delivery: 3-14 days
Cost: high cost

Provide seaport to seaport service
Suitable for goods over 100kg
Delivery: 2-45 days
Cost: low cost

4. Contact information
For more details, pls contact us freely.
Email address: mia@fdachem.com
Mob: 86 18336764634
WhatsApp/Skype/Wechat/LINE: 86 18336764634