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Isoscopoletin

Alias: Isoscopoletin; Esculetin 7-methyl ether; 7-methoxy-6-Hydroxycoumarin; 7-Methoxyesculetin; 7 Methoxyesculetin; 7Methoxyesculetin;
Cat No.:V29343 Purity: ≥98%
Isoscopoletin is a novel and potent bioactive compound.
Isoscopoletin
Isoscopoletin Chemical Structure CAS No.: 776-86-3
Product category: HBV
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
25mg
50mg
100mg
Other Sizes
Official Supplier of:
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Product Description
Isoscopoletin (6-Hydroxy-7-methoxycoumarin) is an active constituent in Artemisia argyi leaves.With IC50s of 4.0 μM and 1.6 μM for human CCRF-CEM leukaemia cells and multidrug-resistant subline CEM/ADR5000, respectively, isoscopoletin exhibits significant inhibition against cell proliferation[1]. There is inhibitory activity of isoscopoletin (6-hydroxy-7-methoxycoumarin) against HBV replication .
Isoscopoletin (CAS 776-86-3) is a naturally occurring coumarin compound found in various plants, including species of the Solanaceae, Asteraceae, and other families. It is a hydroxylated and methoxylated coumarin, also known as 6,7-dihydroxy-4-methylcoumarin or its isomer. It exhibits diverse pharmacological activities including anti-inflammatory, antioxidant, antimicrobial, and anticancer effects.
Biological Activity I Assay Protocols (From Reference)
Targets
Not well characterized; potential targets include inflammatory pathways (COX, LOX), oxidative stress pathways, and microbial targets.
ln Vitro
In vitro, Isoscopoletin exhibits anti-inflammatory activity by inhibiting COX and LOX enzymes, reducing prostaglandin and leukotriene synthesis. It shows antioxidant activity by scavenging free radicals. It also exhibits antimicrobial and anticancer activities against various cell lines. Quantitative IC50 values are not detailed in publicly available sources.
ln Vivo
In vivo, Isoscopoletin has been studied for its anti-inflammatory and antioxidant effects in animal models. It may have potential in treating inflammatory diseases and oxidative stress-related conditions. Detailed dose-response and pharmacokinetic data are limited.
Enzyme Assay
No specific cell-free assay protocol is detailed for Isoscopoletin. For coumarins, typical cell-free assays include enzyme inhibition assays (COX, LOX, MAO), antioxidant assays (DPPH, ABTS), and antimicrobial susceptibility tests.
Cell Assay
Cellular activity is assessed in inflammatory cells (e.g., macrophages) or cancer cells. Cells are treated with Isoscopoletin, and endpoints include cytokine production (ELISA), reactive oxygen species measurement (fluorescent probes), cell viability (MTT), and apoptosis detection.
Animal Protocol
In vivo efficacy is evaluated in rodent models of inflammation or oxidative stress. Isoscopoletin is administered via oral gavage or intraperitoneal injection. Endpoints include inflammatory biomarker analysis, antioxidant enzyme levels, and histopathology.
ADME/Pharmacokinetics
Molecular weight: 192.17; molecular formula: C10H8O4. Melting point: 201-203°C. Solubility: soluble in ethanol, DMSO; sparingly soluble in water. Storage: typical for coumarins (desiccated, protected from light, -20°C).
Toxicity/Toxicokinetics
No detailed toxicity data is publicly available. As a natural coumarin, it is generally considered to have low toxicity, but standard toxicological studies would be required for drug development.
References

[1]. Activity-guided isolation of scopoletin and isoscopoletin, the inhibitory active principles towards CCRF-CEM leukaemia cells and multi-drug resistant CEM/ADR5000 cells, from Artemisia argyi. Planta Med. 2006 Jul;72(9):862-4.

[2]. Evaluation of antiviral activity of compounds isolated from Ranunculus sieboldii and Ranunculus sceleratus. Planta Med. 2005 Dec;71(12):1128-33.

Additional Infomation
Isochytosine is a hydroxycoumarin, a compound formed by replacing the 7-hydroxyl group of aescin with a methoxy group. It is the main primary metabolite of scopolamine and plays a metabolic role in plants. It is a hydroxycoumarin and aromatic ether, functionally related to aescin. Isochytosine has been reported to exist in Saussurea macrota, Artemisia lancea, and other organisms with relevant data.
Isoscopoletin is a research-grade compound, not approved for therapeutic use. It is primarily used for pharmacological research in inflammation, oxidative stress, and antimicrobial studies. No clinical trials have been reported.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C10H8O4
Molecular Weight
192.17
Exact Mass
192.042
Elemental Analysis
C, 62.50; H, 4.20; O, 33.30
CAS #
776-86-3
PubChem CID
69894
Appearance
Off-white to brown solid powder
Density
1.4±0.1 g/cm3
Boiling Point
413.5±45.0 °C at 760 mmHg
Melting Point
206-208ºC
Flash Point
172.4±22.2 °C
Vapour Pressure
0.0±1.0 mmHg at 25°C
Index of Refraction
1.609
LogP
0.83
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
1
Heavy Atom Count
14
Complexity
261
Defined Atom Stereocenter Count
0
SMILES
O1C(C([H])=C([H])C2=C([H])C(=C(C([H])=C12)OC([H])([H])[H])O[H])=O
InChi Key
SYTYLPHCLSSCOJ-UHFFFAOYSA-N
InChi Code
InChI=1S/C10H8O4/c1-13-9-5-8-6(4-7(9)11)2-3-10(12)14-8/h2-5,11H,1H3
Chemical Name
6-hydroxy-7-methoxy-2H-chromen-2-one
Synonyms
Isoscopoletin; Esculetin 7-methyl ether; 7-methoxy-6-Hydroxycoumarin; 7-Methoxyesculetin; 7 Methoxyesculetin; 7Methoxyesculetin;
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

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
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)
DMSO : ~100 mg/mL (~520.37 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (13.01 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (13.01 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (13.01 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 5.2037 mL 26.0186 mL 52.0373 mL
5 mM 1.0407 mL 5.2037 mL 10.4075 mL
10 mM 0.5204 mL 2.6019 mL 5.2037 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

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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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
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • 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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
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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