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Torachrysone
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Product Name Torachrysone
Price:
CAS No.: 22649-04-3
Catalog No.: CFN98224
Molecular Formula: C14H14O4
Molecular Weight: 246.3 g/mol
Purity: >=98%
Type of Compound: Phenols
Physical Desc.: Yellow powder
Source: The seeds of Cassia obtusifolia
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
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Similar structural: Comparison (Web)  (SDF)
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Torachrysone shows promising antioxidant activity. Torachrysone, toralactone , aloe-emodin, rhein and emodin show noticeable antibacterial effects on four strains of methicillin-resistant Staphylococcus aureus with a minimum inhibitory concentration of 2-64 micrograms/ml.
Targets: Antifection
In vitro:
Chem. Pharm. Bull.(Tokyo).,1999, 47(8): 1121-7.
Phenolic constituents of Cassia seeds and antibacterial effect of some naphthalenes and anthraquinones on methicillin-resistant Staphylococcus aureus.[Pubmed: 10478467]
Thirteen phenolic glycosides including six new compounds were isolated from seeds of Cassia tora (Leguminosae).
METHODS AND RESULTS:
The structures of the new compounds, rubrofusarin triglucoside (7), nor-rubrofusarin gentiobioside (9), demethylflavasperone gentiobioside (10), Torachrysone gentiobioside (11), Torachrysone tetraglucoside (12) and Torachrysone apioglucoside (13), were elucidated on the basis of spectroscopic and chemical evidence. The effects of the phenolic glycosides, their aglycones and several other compounds structurally related to them on Escherichia coli K12, Pseudomonas aeruginosa PAO1 and some strains of Staphylococcus aureus were then examined.
CONCLUSIONS:
Among them, Torachrysone (15), toralactone (16), aloe-emodin (18), rhein (19) and emodin (20) showed noticeable antibacterial effects on four strains of methicillin-resistant Staphylococcus aureus with a minimum inhibitory concentration of 2-64 micrograms/ml. On the other hand, the phenolic compounds tested did not show strong antibacterial effects on E. coli and P. aeruginosa.
Torachrysone Description
Source: The seeds of Cassia obtusifolia
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 4.0601 mL 20.3004 mL 40.6009 mL 81.2018 mL 101.5022 mL
5 mM 0.812 mL 4.0601 mL 8.1202 mL 16.2404 mL 20.3004 mL
10 mM 0.406 mL 2.03 mL 4.0601 mL 8.1202 mL 10.1502 mL
50 mM 0.0812 mL 0.406 mL 0.812 mL 1.624 mL 2.03 mL
100 mM 0.0406 mL 0.203 mL 0.406 mL 0.812 mL 1.015 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:
Molecules. 2014 Aug 4;19(8):11453-64.
An unusual piceatannol dimer from Rheum austral D. Don with antioxidant activity.[Pubmed: 25093985]

METHODS AND RESULTS:
A novel dimer of piceatannol glycoside, named rheumaustralin (1) was isolated from the underground parts of the ethnomedicinal plant Rheum austral (Polygonaceae) collected from Tibet together with 17 known compounds, including rheumin (2), 2,5-dimethyl-7-hydroxychromone (3), 2,5-dimethylchromone-7-O-β-D-glucopyranoside (4), 7-hydroxy-2-(2'-hydroxypropyl)-5-methylchromone (5), Torachrysone (6) Torachrysone-8-O-β-D-glucopyranoside (7), 4-(4'-hydroxyphenyl)-2-butanone-4'-O-β-D-glucopyranoside (8), amabiloside (9), N-trans-feruloyl tyramine (10), chrysophanol (11), aloe-emodin (12), emodin (13), physcion (14), physcion-1-O-β-D-glucopyranoside (15), emodin-8-O-β-D-glucopyranoside (16), D-catechin (17) and gallic acid (18).
CONCLUSIONS:
Their structures were determined by combined spectroscopic methods and by comparison of their spectral data with those reported in literature. Compounds 1-10 were tested for their ability to scavenge 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical.
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