Crenulatin
Based on 1 Customer Validation
Crenulatin is a gallotannin that can be isolated from Rhodiola rosea. Crenulatin can be used as a biomarker to identify potentially adulterated R. rosea products. Crenulatin has dual- direction effects on apoptosis of cerebral microvascular endothelial cells, via regulating Fas/Bcl-2 expression and caspase-3 activity.
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- Pureté: 99.85%
- CAS No.: 63026-02-8
- Formule: C11H20O6
- Masse moléculaire:248.27
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Stockage:
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Pureté et documentation
- Références
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Help & FAQs
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Activité biologique
Crenulatin (25 mg/L, 100 mg/L; 24 h) induces apoptosis at 100 mg/L, and inhibits apoptosis at 25 mg/L, in mouse cerebral microvascular endothelial cells (bEnd. 3 cell line), accompanying with caspase-3 expression increases or decrease, respectivley[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 63026-02-8
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Appearance Solid
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Masse moléculaire 248.27
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Formule C11H20O6
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Color White to off-white
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SMILES
CC(C=C)(C)O[C@@H]([C@@H]([C@H]1O)O)O[C@@H]([C@H]1O)CO
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Structure Classification
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Initial Source
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Solvant et solubilité
DMSO : ≥ 100 mg/mL (402.79 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
* "≥" means soluble, but saturation unknown.
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 (protect from light). 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 (protect from light). 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)
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: ≥ 2.5 mg/mL (10.07 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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: ≥ 2.5 mg/mL (10.07 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.
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. * In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
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.
Pureté et documentation
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Fiche technique (278 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Instruction de manipulation (2659 KB)
Références
[1]. Marchev AS, et al. Authenticity and quality evaluation of different Rhodiola species and commercial products based on NMR-spectroscopy and HPLC. Phytochem Anal. 2020 Nov;31(6):756-769. [Content Brief]
[2]. W S Yu, et al. Polyphenols from Rhodiola crenulata. Planta Med. 1993 Feb;59(1):80-2. [Content Brief]
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 (protect from light). 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 | 4.0279 mL | 20.1394 mL | 40.2787 mL | 100.6968 mL |
| 5 mM | 0.8056 mL | 4.0279 mL | 8.0557 mL | 20.1394 mL | |
| 10 mM | 0.4028 mL | 2.0139 mL | 4.0279 mL | 10.0697 mL | |
| 15 mM | 0.2685 mL | 1.3426 mL | 2.6852 mL | 6.7131 mL | |
| 20 mM | 0.2014 mL | 1.0070 mL | 2.0139 mL | 5.0348 mL | |
| 25 mM | 0.1611 mL | 0.8056 mL | 1.6111 mL | 4.0279 mL | |
| 30 mM | 0.1343 mL | 0.6713 mL | 1.3426 mL | 3.3566 mL | |
| 40 mM | 0.1007 mL | 0.5035 mL | 1.0070 mL | 2.5174 mL | |
| 50 mM | 0.0806 mL | 0.4028 mL | 0.8056 mL | 2.0139 mL | |
| 60 mM | 0.0671 mL | 0.3357 mL | 0.6713 mL | 1.6783 mL | |
| 80 mM | 0.0503 mL | 0.2517 mL | 0.5035 mL | 1.2587 mL | |
| 100 mM | 0.0403 mL | 0.2014 mL | 0.4028 mL | 1.0070 mL |
Crenulatin Related Classifications
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