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Cassiaside B2
Cassiaside B2
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Cassiaside B2
Price: $338 / 5mg
CAS No.: 218155-40-9
Catalog No.: CFN91134
Molecular Formula: C39H52O25
Molecular Weight: 920.8 g/mol
Purity: >98%
Type of Compound: Phenols
Physical Desc.: Powder
Source: The seeds of Cassia obtusifolia L.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Download: COA    MSDS
Similar structural: Comparison (Web)  (SDF)
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* Packaging according to customer requirements(5mg, 10mg, 20mg and more). We shipped via FedEx, DHL, UPS, EMS and others courier.
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 / $521.5 / In-stock
Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
Our products had been exported to the following research institutions and universities, And still growing.
  • University of Lodz (Poland)
  • Celltrion Chemical Research Ins... (Korea)
  • Univerzita Karlova v Praze (Czech Republic)
  • Korea Food Research Institute(K... (Korea)
  • Monash University Malaysia (Malaysia)
  • Cancer Research Initatives Foun... (Malaysia)
  • Universidade Federal de Goias (... (Brazil)
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  • Shanghai University of TCM (China)
  • Chang Gung University (Taiwan)
  • Max-Planck-Insitut (Germany)
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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: Reference standards.
In vitro:
ACS Omega. 2019 Jul 3;4(7):11621-11630.
Rubrofusarin as a Dual Protein Tyrosine Phosphate 1B and Human Monoamine Oxidase-A Inhibitor: An in Vitro and in Silico Study.[Pubmed: 31460269]
A number of nature-derived biologically active compounds comprise glycosides. In some cases, the glycosidic residue is needed for bioactivity; however, in other cases, glycosylation just improves some pharmacokinetic/dynamic parameters. The patterns of protein tyrosine phosphatase 1B (PTP1B) and human monoamine oxidase A (hMAO-A) inhibition by rubrofusarin 6-O-β-d-glucopyranoside (1), rubrofusarin 6-O-β-d-gentiobioside (2), rubrofusarin triglucoside (3), and Cassiaside B2 (4) were compared with the aglycone, rubrofusarin, isolated from Cassia obtusifolia seeds.
METHODS AND RESULTS:
Rubrofusarin showed potent inhibition against the PTP1B enzyme (IC50; 16.95 ± 0.49 μM), and its glycosides reduced activity (IC50; 87.36 ± 1.08 μM for 1 and >100 μM for 2-4) than did the reference drug, ursolic acid (IC50; 2.29 ± 0.04 μM). Similarly, in hMAO-A inhibition, rubrofusarin displayed the most potent activity with an IC50 value of 5.90 ± 0.99 μM, which was twice better than the reference drug, deprenyl HCl (IC50; 10.23 ± 0.82 μM). An enzyme kinetic and molecular docking study revealed rubrofusarin to be a mixed-competitive inhibitor of both these enzymes. In a western blot analysis, rubrofusarin increased glucose uptake significantly and decreased the PTP1B expression in a dose-dependent manner in insulin-resistant HepG2 cells, increased the expression of phosphorylated protein kinase B (p-Akt) and phosphorylated insulin receptor substrate-1 (p-IRS1) (Tyr 895), and decreased the expression of glucose-6-phosphatase (G6Pase) and phosphoenol pyruvate carboxykinase (PEPCK), key enzymes of gluconeogenesis.
CONCLUSIONS:
Our overall results show that glycosylation retards activity; however, it reduces toxicity. Thus, Cassia seed as functional food and rubrofusarin as a base can be used for the development of therapeutic agents against comorbid diabetes and depression.
Cassiaside B2 Description
Source: The seeds of Cassia obtusifolia L.
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.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

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Cell Metab. 2020 Mar 3;31(3):534-548.e5.
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ACS Nano. 2018 Apr 24;12(4): 3385-3396.
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IF=13.903(2019)

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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 1.086 mL 5.4301 mL 10.8601 mL 21.7202 mL 27.1503 mL
5 mM 0.2172 mL 1.086 mL 2.172 mL 4.344 mL 5.4301 mL
10 mM 0.1086 mL 0.543 mL 1.086 mL 2.172 mL 2.715 mL
50 mM 0.0217 mL 0.1086 mL 0.2172 mL 0.4344 mL 0.543 mL
100 mM 0.0109 mL 0.0543 mL 0.1086 mL 0.2172 mL 0.2715 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. 2017 Sep;42(17):3385-3390.
Study on naphthopyrone reference extract and application on assay of Semen Cassiae.[Pubmed: 29192451 ]
A quality control method of Semen Cassiae was established by using naphthopyrone reference extract(NRE). Meanwhile, the feasibility about NRE replacing single component reference in quality control of traditional Chinese medicine was explored.
METHODS AND RESULTS:
After NRE of Semen Cassiae being prepared by chromatographic separation technology, we determined the three main components, Cassiaside B2, rubrofusarin-6-O-β-D-gentiobioside and cassiaside C. In the meantime, an HPLC analytical method, based on the NRE as standard substance, was developed to determinate the contents of three main components in Semen Cassiae. T-test was used for comparison of the determination results of the two methods(single chemical component and NRE as reference substances, respectively), and the T-test result demonstrated that there was no significant difference between the two methods.
CONCLUSIONS:
The results developed scientific basis for the application of NRE of Semen Cassia in the quality control, which could be applied for the quality control of traditional Chinese medicine using reference extract substituting single chemical reference, and provide a new research model for the quality control of Chinese medicine.
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