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Genistein 8-c-glucoside

Cat No.:V29741 Purity: ≥98%
Genistein 8-c-glucoside (G8CG) is a glucoside.
Genistein 8-c-glucoside
Genistein 8-c-glucoside Chemical Structure CAS No.: 66026-80-0
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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1mg
5mg
100mg
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Product Description
Genistein 8-c-glucoside (G8CG) is a glucoside. Genistein 8-c-glucoside induces mitochondrial membrane depolarization and causes apoptosis.
Genistein 8-C-glucoside (CAS 66026-80-0) is a naturally occurring C-glycoside isoflavone found in the flowers of Lupinus luteus L., where the genistein core is substituted at the 8-position by a β-D-glucopyranose residue via a stable C-glycosidic bond. With a molecular formula of C₂₁H₂₀O₁₀ and molecular weight of 432.38 g/mol, this compound is a glucoside derivative of the well-known phytoestrogen genistein. The C-glycosidic linkage confers enhanced metabolic stability compared to O-glycosides, making it a valuable tool for studying isoflavone biology. Genistein 8-C-glucoside is primarily used in research settings to investigate the intrinsic apoptotic pathway and mitochondrial dysfunction in cancer cells. It induces mitochondrial membrane depolarization, a critical initiating event in the intrinsic apoptosis cascade, leading to programmed cell death. The compound is commercially available as a high-purity research reagent (≥99%) and is typically stored as a powder at -20°C for up to three years or at 4°C for up to two years.
Biological Activity I Assay Protocols (From Reference)
Targets
Genistein 8-C-glucoside targets the mitochondrial metabolism and apoptosis pathways. Its primary mechanism of action involves the induction of mitochondrial membrane depolarization, which disrupts the electrochemical gradient across the inner mitochondrial membrane. This depolarization triggers the release of cytochrome c and other pro-apoptotic factors from the mitochondria into the cytosol, activating the caspase cascade and ultimately leading to apoptotic cell death. The compound's action on mitochondria places it within the metabolic enzyme/protease pathway category, specifically affecting mitochondrial function. Unlike its aglycone genistein, which primarily targets tyrosine kinases and estrogen receptors, Genistein 8-C-glucoside appears to exert its cytotoxic effects predominantly through mitochondrial disruption rather than receptor-mediated signaling, although the precise molecular targets within the mitochondrial pathway remain to be fully elucidated.
ln Vitro
In vitro studies have demonstrated that Genistein 8-C-glucoside exhibits significant cytotoxic activity against human cancer cell lines. Research conducted on the human SK-OV-3 ovarian carcinoma cell line showed that the compound induces mitochondrial membrane depolarization and triggers apoptosis. The compound's ability to cause mitochondrial dysfunction is a key feature of its in vitro activity, as it disrupts the normal physiological function of mitochondria in cancer cells. The C-glycoside structure of Genistein 8-C-glucoside distinguishes it from other isoflavone glycosides, and its activity profile suggests that it may have different cellular uptake mechanisms and intracellular targets compared to genistein itself. The compound has been evaluated in various cancer cell models, and its cytotoxicity is attributed to the induction of the intrinsic apoptotic pathway through mitochondrial membrane depolarization.
ln Vivo
In vivo activity data for Genistein 8-C-glucoside are limited, as the compound is predominantly used in in vitro research settings. However, given its structural similarity to genistein and other isoflavones, it may be expected to exhibit systemic bioavailability and biological activity following oral administration in animal models, though the C-glycosidic linkage may affect absorption and metabolism compared to O-glycosides. The compound's primary application remains in cell-based mechanistic studies of apoptosis and mitochondrial function rather than in vivo efficacy studies.
Enzyme Assay
In vitro non-cell enzyme/receptor binding assays for Genistein 8-C-glucoside typically involve mitochondrial membrane potential measurements using isolated mitochondria or mitochondrial preparations. The compound is incubated with isolated mitochondria in the presence of appropriate buffers and substrates, and mitochondrial membrane depolarization is assessed using fluorescent dyes such as JC-1 or tetramethylrhodamine ethyl ester (TMRE). Changes in fluorescence intensity are measured spectrophotometrically or fluorometrically to quantify the extent of membrane depolarization induced by the compound. Dose-response experiments are performed to determine the concentration-dependent effects on mitochondrial function.
Cell Assay
In vitro cell-based assays for Genistein 8-C-glucoside utilize human cancer cell lines such as SK-OV-3 ovarian carcinoma cells cultured in appropriate media supplemented with fetal bovine serum and antibiotics. Cells are seeded in multi-well plates and allowed to attach overnight, then treated with varying concentrations of Genistein 8-C-glucoside for specified incubation periods (typically 24-72 hours). Following treatment, mitochondrial membrane potential is assessed using fluorescent probes such as JC-1 or TMRE, with fluorescence measured by flow cytometry or fluorescence microscopy. Apoptosis is evaluated using Annexin V/PI staining, caspase activity assays, or DNA fragmentation analysis. Cell viability is determined using MTT, CCK-8, or similar colorimetric assays.
Animal Protocol
In vivo animal studies for Genistein 8-C-glucoside are not well documented in the published literature. Based on standard protocols for evaluating isoflavone compounds, potential in vivo studies would involve oral or intraperitoneal administration of the compound to rodent models, followed by assessment of tissue distribution, pharmacokinetic parameters, and biological activity. Xenograft tumor models could be employed to evaluate anticancer efficacy, with tumor volume measurements, histopathological analysis, and assessment of apoptotic markers in tumor tissues. However, specific published in vivo data for this particular compound remain limited.
ADME/Pharmacokinetics
Genistein 8-C-glucoside has a molecular weight of 432.38 g/mol and a molecular formula of C₂₁H₂₀O₁₀. It exhibits a boiling point of 767.7±60.0 °C at 760 mmHg. The compound is soluble in DMSO and other organic solvents, with recommended storage as a powder at -20°C for up to three years or at 4°C for up to two years. As a C-glycoside, it is expected to have greater metabolic stability compared to O-glycosides, potentially leading to improved oral bioavailability. Detailed pharmacokinetic parameters such as half-life, volume of distribution, clearance, and bioavailability have not been extensively characterized in the literature.
Toxicity/Toxicokinetics
The toxicity profile of Genistein 8-C-glucoside has not been comprehensively evaluated in published studies. As a naturally occurring isoflavone glycoside, it is generally considered to have low toxicity, consistent with the safety profile of other isoflavones found in dietary sources such as soy and lupin. The compound is classified as a research reagent and is not intended for human therapeutic use. Standard laboratory safety precautions should be followed when handling the compound, including the use of appropriate personal protective equipment. Comprehensive toxicological studies, including acute, subchronic, and chronic toxicity assessments, have not been reported.
References

[1]. Cytotoxic activity of genistein-8-C-glucoside form Lupinus luteus L. and genistein against human SK-OV-3 ovarian carcinoma cell line. Med Chem Res. 2017;26(1):64-73.

Additional Infomation
Genistein 8-C-glucoside is a C-glycoside compound with a structure in which genistein is replaced at the 8-position by a β-D-glucopyranose residue via a C-glycosidic bond. It is a plant metabolite belonging to the 7-hydroxyisoflavone class and is functionally related to genistein. Genistein 8-C-glucoside has been reported to be found in Dalbergia sissoo, Genista ephedroides, and other organisms with relevant data.
Genistein 8-C-glucoside is a C-glycoside isoflavone naturally occurring in Lupinus luteus L. flowers. It is also known by various synonyms including 8-C-β-Glucosylgenistein, Genistein 8-C-β-D-glucopyranoside, and Genistein 8-C-β-glucoside. The compound is used as a research tool for studying mitochondrial apoptosis pathways and as a reference standard in natural product chemistry. Its C-glycosidic bond provides enhanced stability compared to O-glycosides, making it valuable for mechanistic studies. Not approved for clinical use; intended for research purposes only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C21H20O10
Molecular Weight
432.3775
Exact Mass
432.106
CAS #
66026-80-0
PubChem CID
5281757
Appearance
Off-white to light yellow solid powder
Boiling Point
767.7±60.0 °C at 760 mmHg
LogP
0.091
Hydrogen Bond Donor Count
7
Hydrogen Bond Acceptor Count
10
Rotatable Bond Count
3
Heavy Atom Count
31
Complexity
690
Defined Atom Stereocenter Count
5
SMILES
C1=CC(=CC=C1C2=COC3=C(C2=O)C(=CC(=C3[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O)O
InChi Key
HIWJJOYYZFELEZ-FFYOZGDPSA-N
InChi Code
InChI=1S/C21H20O10/c22-6-13-17(27)18(28)19(29)21(31-13)15-12(25)5-11(24)14-16(26)10(7-30-20(14)15)8-1-3-9(23)4-2-8/h1-5,7,13,17-19,21-25,27-29H,6H2/t13-,17-,18+,19-,21+/m1/s1
Chemical Name
5,7-dihydroxy-3-(4-hydroxyphenyl)-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]chromen-4-one
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.3128 mL 11.5639 mL 23.1278 mL
5 mM 0.4626 mL 2.3128 mL 4.6256 mL
10 mM 0.2313 mL 1.1564 mL 2.3128 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
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  • Enter 5 in the Volume box and choose the correct unit (mL)
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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