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Phillygenin
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Product Name Phillygenin
Price: $118 / 20mg
CAS No.: 487-39-8
Catalog No.: CFN90511
Molecular Formula: C21H24O6
Molecular Weight: 372.41 g/mol
Purity: >=98%
Type of Compound: Lignans
Physical Desc.: Powder
Source: The herbs of Forsythia suspensa.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF    Manual
Similar structural: Comparison (Web)  (SDF)
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Size /Price /Stock 10 mM * 1 mL in DMSO / $25.1 / In-stock
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Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
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Biological Activity
Description: Phillyrin, (+)-Phillygenin, and (-)-phillygenin exert the strongest inhibitory activities on NO production with IC(50) values.
Targets: NO
In vitro:
Eur J Drug Metab Pharmacokinet . 2013 Sep;38(3):201-7.
Determination of phillygenin in rat plasma by high-performance liquid chromatography and its application to pharmacokinetic studies[Pubmed: 23564502]
Abstract The research group has been dedicated to the study of Fructus Forsythiae which was used widely in traditional Chinese medicines. And some research results have been accepted in Chinese Pharmacopeia. In a recent study, Phillygenin was found to be a potential "metabolite" of phillyrin and the effective material of phillyrin may be changed according to the in vivo pharmacokinetic process. Therefore, a sensitive, specific, accurate, and reproducible reversed phase HPLC method for the determination of Phillygenin in rat plasma was developed. Separation was achieved on a Hypersil ODS C18 column with UV detection at 277 nm. The good linear calibration curves ranged from 0.039 to 20 μg/mL with the limit of quantification estimated as 0.026 μg/mL. The intra- and inter-day precisions were in the range of 98-103 %. The average recoveries of Phillygenin were 90.54, 92.47, and 92.15 % for Phillygenin of 0.156, 1.25, and 10.0 μg/mL. And the Ruggedness of HPLC method was evaluated. The analytical method was also successfully applied to the pharmacokinetic study of Phillygenin in rat for the first time. A rapid distribution was observed from the plasma concentration-time curves, and was followed by a quick elimination for Phillygenin. The mean t 1/2z was 6.02, 5.62, and 5.79 min for 1.4, 2.8, and 5.6 mg/kg, respectively. The AUC (0-t) increased linearly from 166.29 to 332.48 mg/L min. All results indicated that, in the range of the doses examined, the pharmacokinetics of Phillygenin in rat was based on first-order kinetics.
Phillygenin Description
Source: The herbs of Forsythia suspensa.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, 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

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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.6852 mL 13.4261 mL 26.8521 mL 53.7043 mL 67.1303 mL
5 mM 0.537 mL 2.6852 mL 5.3704 mL 10.7409 mL 13.4261 mL
10 mM 0.2685 mL 1.3426 mL 2.6852 mL 5.3704 mL 6.713 mL
50 mM 0.0537 mL 0.2685 mL 0.537 mL 1.0741 mL 1.3426 mL
100 mM 0.0269 mL 0.1343 mL 0.2685 mL 0.537 mL 0.6713 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:
Spectrochim Acta A Mol Biomol Spectrosc. 2012 Jan;85(1):120-6.
Interaction between phillygenin and human serum albumin based on spectroscopic and molecular docking.[Pubmed: 22000638]

METHODS AND RESULTS:
In this paper, the interaction of human serum albumin (HSA) with Phillygenin was investigated by fluorescence, circular dichroism (CD), UV-vis spectroscopic and molecular docking methods under physiological conditions. The Stern-Volmer analysis indicated that the fluorescence quenching of HSA by Phillygenin resulted from static mechanism, and the binding constants were 1.71×10(5), 1.61×10(5) and 1.47×10(4) at 300, 305 and 310K, respectively. The results of UV-vis spectra show that the secondary structure of the protein has been changed in the presence of Phillygenin. The CD spectra showed that HSA conformation was altered by Phillygenin with a major reduction of α-helix and an increase in β-sheet and random coil structures, indicating a partial protein unfolding. The distance between donor (HSA) and acceptor (Phillygenin) was calculated to be 3.52nm and the results of synchronous fluorescence spectra showed that binding of Phillygenin to HSA can induce conformational changes in HSA. Molecular docking experiments found that Phillygenin binds with HSA at IIIA domain of hydrophobic pocket with hydrogen bond interactions. The ionic bonds were formed with the O (4), O (5) and O (6) of Phillygenin with nitrogen of ASN109, ARG186 and LEU115, respectively. The hydrogen bonds are formed between O (2) of Phillygenin and SER419. In the presence of copper (II), iron (III) and alcohol, the apparent association constant K(A) and the number of binding sites of Phillygenin on HSA were both decreased in the range of 88.84-91.97% and 16.09-18.85%, respectively.
CONCLUSIONS:
In view of the evidence presented, it is expected to enrich our knowledge of the interaction dynamics of Phillygenin to the important plasma protein HSA, and it is also expected to provide important information of designs of new inspired drugs.
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