L-Tryptophanamide
L-Tryptophanamide (H-Trp-NH2) is tryptophanamide hydrochloride, a primary UV standard. L-Tryptophanamide is a metabolite downregulated after fermentation of sea buckthorn juice by Lactobacillus plantarum or Lactiplantibacillus plantarum, and is positively correlated with bitterness and astringency in taste sensory evaluation. L-Tryptophanamide can be used for metabolite analysis and flavor research.
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- No. CAS: 20696-57-5
- Fòrmula: C11H13N3O
- Peso molecular:203.24
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Almacenamiento:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Other In-stock Forms of L-Tryptophanamide
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Actividad biológica
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Chemical Information
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Solvente y solubilidad
- Pureza y Documentación
- Referencias
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Help & FAQs
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Actividad biológica
Descripciòn
In Vitro
L-Tryptophanamide (72 h) is a metabolite downregulated in Lactobacillus plantarum-fermented sea buckthorn pulp (LPF) compared with unfermented SBP, and is positively correlated with bitterness and astringency[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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No. CAS 20696-57-5
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Appearance Solid
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Peso molecular 203.24
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Fòrmula C11H13N3O
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Color White to off-white
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SMILES
NC([C@@H](N)CC1=CNC2=CC=CC=C12)=O
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Synonyms
H-Trp-NH2
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Envío
Room temperature in continental US; may vary elsewhere.
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Almacenamiento
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvente y solubilidad
In Vitro:
DMSO : 60 mg/mL (295.22 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
In Vivo:
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 3 mg/mL (14.76 mM); Clear solution
This protocol yields a clear solution of ≥ 3 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (30.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 3 mg/mL (14.76 mM); Clear solution
This protocol yields a clear solution of ≥ 3 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (30.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Pureza y Documentación
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Ficha de datos (287 KB)
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SDS (394 KB)
- English - EN (394 KB)
- Français - FR (394 KB)
- Deutsch - DE (394 KB)
- Norwegian - NO (394 KB)
- Español - ES (394 KB)
- Swedish - SV (394 KB)
- Italian - IT (394 KB)
- Korean - KR (394 KB)
- Portuguese - PT (394 KB)
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Instrucciones de manejo (2659 KB)
Referencias
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 4.9203 mL | 24.6015 mL | 49.2029 mL | 123.0073 mL |
| 5 mM | 0.9841 mL | 4.9203 mL | 9.8406 mL | 24.6015 mL | |
| 10 mM | 0.4920 mL | 2.4601 mL | 4.9203 mL | 12.3007 mL | |
| 15 mM | 0.3280 mL | 1.6401 mL | 3.2802 mL | 8.2005 mL | |
| 20 mM | 0.2460 mL | 1.2301 mL | 2.4601 mL | 6.1504 mL | |
| 25 mM | 0.1968 mL | 0.9841 mL | 1.9681 mL | 4.9203 mL | |
| 30 mM | 0.1640 mL | 0.8200 mL | 1.6401 mL | 4.1002 mL | |
| 40 mM | 0.1230 mL | 0.6150 mL | 1.2301 mL | 3.0752 mL | |
| 50 mM | 0.0984 mL | 0.4920 mL | 0.9841 mL | 2.4601 mL | |
| 60 mM | 0.0820 mL | 0.4100 mL | 0.8200 mL | 2.0501 mL | |
| 80 mM | 0.0615 mL | 0.3075 mL | 0.6150 mL | 1.5376 mL | |
| 100 mM | 0.0492 mL | 0.2460 mL | 0.4920 mL | 1.2301 mL |
L-Tryptophanamide Related Classifications
HY-113127 Related Classifications
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