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1,2,3,4-Tetramethylbenzene (1,2,3,4-Tetramethylbenzene)

Cat No.:V64617 Purity: ≥98%
The structure of 1,2,3,4-Tetramethylbenzene consists of a benzene ring with four methyl groups (-CH3) as substituents and may be used in biochemical research.
1,2,3,4-Tetramethylbenzene (1,2,3,4-Tetramethylbenzene)
1,2,3,4-Tetramethylbenzene (1,2,3,4-Tetramethylbenzene) Chemical Structure CAS No.: 488-23-3
Product category: Others 12
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
The structure of 1,2,3,4-Tetramethylbenzene consists of a benzene ring with four methyl groups (-CH3) as substituents and may be used in biochemical research.
1,2,3,4-Tetramethylbenzene (CAS 488-23-3) is an aromatic hydrocarbon with the chemical formula C₁₀H₁₄ and a molecular weight of 134.22 g/mol. It is a colorless to light yellow liquid with a melting point of -6.2°C, a boiling point of 203-205°C, and a density of 0.838-0.904 g/cm³. The compound is soluble in alcohol and organic solvents but insoluble in water. 1,2,3,4-Tetramethylbenzene is a specialty product used as a starting material and building block for organic synthesis and biochemistry research.
Biological Activity I Assay Protocols (From Reference)
Targets
1,2,3,4-Tetramethylbenzene does not have a biological target, as it is a chemical reagent and solvent rather than a pharmacologically active compound. Its function is chemical—it serves as a non-polar organic solvent and building block for organic synthesis. The compound is not designed for therapeutic use and has no specific receptor or enzyme targets. Its interactions are based on its hydrophobic nature and ability to dissolve organic compounds. In biological systems, aromatic hydrocarbons can interact with lipid membranes, but this is a non-specific effect.
ln Vitro
As a chemical reagent, 1,2,3,4-tetramethylbenzene exhibits no pharmacological activity in vitro. Its utility is demonstrated in organic synthesis as a non-polar solvent and starting material for the preparation of more complex molecules. The compound is used in the preparation of 1,2,3,4-tetramethylbenzene-5-chlorosulfonyl chloride and other derivatives. In cell-based assays, the compound is not tested for biological activity. Its role is strictly chemical—providing a non-polar solvent and building block for synthetic chemistry.
ln Vivo
1,2,3,4-Tetramethylbenzene does not exhibit in vivo biological activity, as it is not a therapeutic agent. The compound is used as a solvent and chemical intermediate in organic synthesis. Any in vivo effects would be associated with the final products synthesized from this intermediate, not with the compound itself. The compound is not administered to animals in pharmacological studies and has no known physiological effects. Its role is strictly chemical—enabling organic transformations and serving as a non-polar solvent.
Enzyme Assay
In vitro assays for 1,2,3,4-tetramethylbenzene focus on its physicochemical properties and use as a solvent, not receptor binding. Standard characterization includes determination of boiling point (205°C), melting point (-6.2°C), and density. For quality control, purity is assessed by GC (≥90-98%). The compound is used as a starting material in the preparation of sulfonyl chlorides and other derivatives. No biological assays are performed with this compound.
Cell Assay
Cell-based experiments are not performed with 1,2,3,4-tetramethylbenzene, as it is a solvent and chemical reagent rather than a test compound for biological activity. The compound is used exclusively in organic synthesis and as a non-polar solvent in chemical reactions. No cytotoxicity or cell viability studies are conducted with this compound, as it is not intended for biological applications.
Animal Protocol
In vivo animal studies are not conducted with 1,2,3,4-tetramethylbenzene, as it is a chemical reagent rather than a therapeutic test article. The compound is not used in pharmacological or toxicological studies in animals. Its applications are limited to organic synthesis and as a solvent in chemical reactions. No in vivo efficacy or safety studies have been reported.
ADME/Pharmacokinetics
Pharmacokinetic properties of 1,2,3,4-tetramethylbenzene are not characterized, as it is not a drug substance. Based on its physicochemical properties (molecular weight 134.22, high lipophilicity, low water solubility), the compound would be expected to have low oral bioavailability. If absorbed, it would likely distribute to lipid-rich tissues and be metabolized via cytochrome P450-mediated oxidation. However, the compound is not intended for human exposure and has not been evaluated in formal pharmacokinetic studies.
Toxicity/Toxicokinetics
1,2,3,4-Tetramethylbenzene is a combustible liquid and may be harmful if swallowed, inhaled, or in contact with skin. The compound should be handled with appropriate personal protective equipment, including gloves, safety glasses, and working in a fume hood. It should be stored away from sources of ignition and strong oxidizing agents. No acute toxicity data are available. The compound is not intended for drug, household, or other uses.
References
[1]. Ying Duan Lei, et al. Measuring the Octan-1-ol Air Partition Coefficient of Volatile Organic Chemicals with the Variable Phase Ratio Headspace Technique. Cite this: J. Chem. Eng. Data 2019, 64, 11, 4793–4800.
Additional Infomation
Prehnitene is a tetramethylbenzene formed by replacing the benzene ring with methyl groups at positions 1, 2, 3, and 4. 1,2,3,4-Tetramethylbenzene has been reported in Ceratophyllum demersum, and relevant data are available.
1,2,3,4-Tetramethylbenzene is a specialty product used as a non-polar organic solvent and building block in organic synthesis. It is a useful starting material for the preparation of various derivatives, including sulfonyl chlorides. The compound has not undergone clinical trials and is not approved as a pharmaceutical. Its mechanism of action is chemical—serving as a solvent and synthetic intermediate for the preparation of more complex molecules.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C10H14
Molecular Weight
134.22
Exact Mass
134.109
CAS #
488-23-3
PubChem CID
10263
Appearance
Colorless to light yellow liquid(Density:0.838 g/cm3)
Density
0.9±0.1 g/cm3
Boiling Point
204.0±35.0 °C at 760 mmHg
Melting Point
76-80 °C(lit.)
Flash Point
68.3±0.0 °C
Vapour Pressure
0.4±0.2 mmHg at 25°C
Index of Refraction
1.501
LogP
4.06
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
0
Rotatable Bond Count
0
Heavy Atom Count
10
Complexity
92.6
Defined Atom Stereocenter Count
0
SMILES
C1(C([H])([H])[H])=C(C([H])([H])[H])C([H])=C([H])C(C([H])([H])[H])=C1C([H])([H])[H]
InChi Key
UOHMMEJUHBCKEE-UHFFFAOYSA-N
InChi Code
InChI=1S/C10H14/c1-7-5-6-8(2)10(4)9(7)3/h5-6H,1-4H3
Chemical Name
1,2,3,4-tetramethylbenzene
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: 100 mg/mL (745.05 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (18.63 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 (18.63 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 (18.63 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 7.4505 mL 37.2523 mL 74.5045 mL
5 mM 1.4901 mL 7.4505 mL 14.9009 mL
10 mM 0.7450 mL 3.7252 mL 7.4505 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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