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Crenulatin
Crenulatin
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Crenulatin
Price: $268 / 5mg
CAS No.: 63026-02-8
Catalog No.: CFN89517
Molecular Formula: C11H20O6
Molecular Weight: 248.27 g/mol
Purity: >=98%
Type of Compound: Miscellaneous
Physical Desc.: Powder
Source: The roots of Rhodiolae Crenulatae Radix et Rhizoma.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Download: COA    MSDS
Similar structural: Comparison
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According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
Size /Price /Stock 10 mM * 1 mL in DMSO / $152.6 / In-stock
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Related Screening Libraries
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Biological Activity
Description: Crenulatin has dual- direction effects on apoptosis of cerebral microvascular endothelial cells, inhibitive effect in 25 mg/L and stimulative effect in 100 mg/L group, respectively; the mechanism is related to the alterations of Fas/Bcl-2 expression and caspase-3 activity.
Targets: Bcl-2/Bax | Caspase
In vitro:
Chinese Journal of Pathophysiology, 2005, 21(11):2086-2090.
Dual- direction effect of crenulatin on apoptosis of cerebral microvascular endothelial cells and it's mechanism[Reference: WebLink]
To study the effect and the mechanism of Crenulatin, an effective constituent of Chinese traditional medicine, on apoptosis of cerebral microvascular endothelial cells.
METHODS AND RESULTS:
The following terminal concentrations of Crenulatin were used in the study: 25 mg/L and 100 mg/L. Apoptosis of mouse cerebral microvascular endothelial cells (bEnd. 3 cell line) was evaluated by flow cytometer, immunocytochemical assay (Fas, Bcl - 2) and Western blotting (caspase - 3) after culture for 24 h. Compared with control group, apoptosis of bEnd. 3 cells in 25 mg/L group was significantly inhibited ( P <0.05), but apoptosis in the 100 mg/L group was significantly increased (P < 0.05). In apoptosis inhibited group, the Fas immunocytochemical staining was weaker, the positive cells were significantly decreased ( P < 0.05) and caspase - 3 expression was decreased compared with control group; however, the Bcl - 2 staining was stronger and the positive cells were significantly increased ( P < 0.05). On the other hand, in apoptosis increased group ( 100 mg/L group), the changes were just opposite.
CONCLUSIONS:
The effect of Crenulatin on apoptosis of mouse cerebral microvascular endothelial cells possesses a dual - direction change, inhibitive effect in 25 mg/L and stimulative effect in 100 mg/L group, respectively. The mechanism is related to the alterations of Fas/Bcl - 2 expression and caspase - 3 activity.
Crenulatin Description
Source: The roots of Rhodiolae Crenulatae Radix et Rhizoma.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
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IF=36.216(2019)

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Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
IF=22.415(2019)

PMID: 32004475

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IF=13.903(2019)

PMID: 29553709

Nature Plants. 2016 Dec 22;3: 16206.
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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 4.0279 mL 20.1394 mL 40.2787 mL 80.5575 mL 100.6968 mL
5 mM 0.8056 mL 4.0279 mL 8.0557 mL 16.1115 mL 20.1394 mL
10 mM 0.4028 mL 2.0139 mL 4.0279 mL 8.0557 mL 10.0697 mL
50 mM 0.0806 mL 0.4028 mL 0.8056 mL 1.6111 mL 2.0139 mL
100 mM 0.0403 mL 0.2014 mL 0.4028 mL 0.8056 mL 1.007 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Structure Identification:
Zhongguo Zhong Yao Za Zhi. 2015 Sep;40(18):3590-3.
Optimization of extraction technology for salidroside, tyrosol, crenulatin and gallic acid in Rhodiolae Crenulatae Radix et Rhizoma with orthogonal test.[Pubmed: 26983205]
The extracting technology of salidroside, tyrosol, Crenulatin and gallic acid from Rhodiolae Crenulatae Radix et Rhizoma was optimized.
METHODS AND RESULTS:
With extraction rate of salidroside, tyrosol, Crenulatin and gallic acid as indexes, orthogonal test was used to evaluate effect of 4 factors on extracting technology, including concentration of solvent, the dosage of solvent, duration of extraction, and frequency of extraction. The results showed that, the best extracting technology was to extract in 70% alcohol with 8 times the weight of herbal medicine for 2 times, with 3 hours once. High extraction rate of salidroside, tyrosol, Crenulatin and gallic acid were obtained with the present technology.
CONCLUSIONS:
The extracting technology was stable and feasible with high extraction rate of four compounds from Rhodiolae Crenulatae Radix et Rhizoma, it was suitable for industrial production.
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