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L-5-Hydroxytryptophan (L-5-HTP) is a naturally occurring amino acid and dietary supplement that serves as a precursor to the neurotransmitter serotonin. It can be used as an antidepressant, appetite suppressant, and sleep aid, and acts as an antagonist to reserpine. L-5-HTP is widely used in research on myoclonus, fibromyalgia, migraine, and cerebellar ataxia, and is also commonly used to induce epilepsy models.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 500 mg | $31 | In Stock | |
| 1 g | $40 | In Stock | |
| 1 mL x 10 mM (in DMSO) | $29 | In Stock |
| Description | L-5-Hydroxytryptophan (L-5-HTP) is a naturally occurring amino acid and dietary supplement that serves as a precursor to the neurotransmitter serotonin. It can be used as an antidepressant, appetite suppressant, and sleep aid, and acts as an antagonist to reserpine. L-5-HTP is widely used in research on myoclonus, fibromyalgia, migraine, and cerebellar ataxia, and is also commonly used to induce epilepsy models. |
| Synonyms | Oxitriptan, L-oxitriptan, L-5-HTP |
| Molecular Weight | 220.22 |
| Formula | C11H12N2O3 |
| Cas No. | 4350-09-8 |
| Smiles | C([C@@H](C(O)=O)N)C=1C=2C(NC1)=CC=C(O)C2 |
| Relative Density. | 0.902g/mLat 25°C(lit.) |
| Color | White |
| Appearance | Solid |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||||||||||||
| Solubility Information | H2O: 2 mg/mL (9.08 mM) DMSO: 130 mg/mL (590.32 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 3.3 mg/mL (14.99 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | ||||||||||||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||||||||||||
H2O/DMSO
DMSO
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