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Antiarol

Cat No.:V29799 Purity: ≥98%
Antiarol (3,4,5-Trimethoxyphenol) is a natural compound found in Cochlospermum vitifolium.
Antiarol
Antiarol Chemical Structure CAS No.: 642-71-7
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Antiarol (3,4,5-Trimethoxyphenol) is a natural compound found in Cochlospermum vitifolium.
Antiarol (CAS 642-71-7), also known as 3,4,5-trimethoxyphenol, is a member of aromatic phenols naturally occurring in various plants. It is a phenolic compound characterized by three methoxy groups on a phenol ring and exhibits moderate antioxidant activity.
Biological Activity I Assay Protocols (From Reference)
Targets
Antiarol targets reactive oxygen species (ROS) and free radicals, acting as a DPPH free radical scavenger. As a phenolic antioxidant, it neutralizes free radicals through hydrogen atom donation, protecting biological molecules from oxidative damage.
ln Vitro
Antiarol exhibits moderate DPPH free radical scavenging activity, indicating its potential as an antioxidant agent. Its antioxidant capacity is attributed to the phenolic hydroxyl group and the electron-donating methoxy substituents that stabilize the resulting phenoxyl radical.
ln Vivo
In vivo antioxidant activity of Antiarol has not been extensively documented. As a phenolic compound, it may be expected to exhibit systemic antioxidant effects similar to other plant-derived phenols, though specific animal model data are limited.
Enzyme Assay
In vitro enzyme/receptor binding (non-cell) assays for Antiarol typically involve DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging assays. The compound is incubated with DPPH solution and the decrease in absorbance at 517 nm is measured to calculate the scavenging activity and IC₅₀ value.
Cell Assay
In vitro cell-based assays for Antiarol typically use cell culture models of oxidative stress, where cells are treated with Antiarol followed by oxidative challenge (e.g., H₂O₂ or UV exposure). Cellular ROS levels, antioxidant enzyme activities (SOD, CAT, GPx), and cell viability are measured to evaluate cytoprotective effects.
Animal Protocol
In vivo animal studies for Antiarol are limited. Standard protocols for evaluating antioxidant compounds involve administering the compound orally or intraperitoneally to rodents, followed by induction of oxidative stress (e.g., via CCl₄ or LPS), and measurement of serum/ tissue antioxidant markers, lipid peroxidation, and histopathological examination.
ADME/Pharmacokinetics
Antiarol has a molecular weight of 184.19 g/mol and formula C₉H₁₂O₄. It is soluble in DMSO (150 mg/mL) and sparingly soluble in water (2 mg/mL). Melting point is 145-149°C. Its small molecular weight and moderate lipophilicity suggest potential for oral absorption, though detailed PK data are not available.
Toxicity/Toxicokinetics
Antiarol is considered relatively non-toxic based on its classification as a phenolic natural product. The oral LD₅₀ is expected to be moderate to high, as with similar trimethoxyphenol compounds. Skin and eye irritation may occur with direct contact.
References

[1]. Constituents from Salmaliamalabaricum. Canadian Journal of Chemistry, 1980, 58(4): 328-330.

Additional Infomation
3,4,5-Trimethoxyphenol belongs to the phenolic class of compounds, with a structure in which phenolic compounds are substituted with methoxy groups at positions 3, 4, and 5. It is a plant metabolite. It belongs to both the phenolic and methoxybenzene classes. 3,4,5-Trimethoxyphenol has been reported to exist in persimmon (Diospyros eriantha), Tarenna attenuata, and other organisms with relevant data.
Antiarol is primarily used as a research compound for studying antioxidant mechanisms and as a reference standard in natural product chemistry. It is also known as 3,4,5-trimethoxyphenol and is used in organic synthesis and phytochemical research. Not approved for clinical use.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H12O4
Molecular Weight
184.1892
Exact Mass
184.073
CAS #
642-71-7
PubChem CID
69505
Appearance
Off-white to light brown solid powder
Density
1.2±0.1 g/cm3
Boiling Point
313.1±37.0 °C at 760 mmHg
Melting Point
146-149 °C
Flash Point
143.2±26.5 °C
Vapour Pressure
0.0±0.7 mmHg at 25°C
Index of Refraction
1.515
LogP
1.07
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
3
Heavy Atom Count
13
Complexity
137
Defined Atom Stereocenter Count
0
InChi Key
VTCDZPUMZAZMSB-UHFFFAOYSA-N
InChi Code
InChI=1S/C9H12O4/c1-11-7-4-6(10)5-8(12-2)9(7)13-3/h4-5,10H,1-3H3
Chemical Name
3,4,5-trimethoxyphenol
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)
DMSO : ~250 mg/mL (~1357.29 mM)
H2O : ~2 mg/mL (~10.86 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (11.29 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 20.8 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: ≥ 2.08 mg/mL (11.29 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 20.8 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: ≥ 2.08 mg/mL (11.29 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 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


Solubility in Formulation 4: 2 mg/mL (10.86 mM) in PBS (add these co-solvents sequentially from left to right, and one by one), clear solution; with ultrasonication (<60°C).

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 5.4292 mL 27.1459 mL 54.2918 mL
5 mM 1.0858 mL 5.4292 mL 10.8584 mL
10 mM 0.5429 mL 2.7146 mL 5.4292 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:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
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:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
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.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • 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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