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4-Methylanisole (4-Methoxytoluene)

Cat No.:V65306 Purity: ≥98%
4-Methylanisole (4-Methoxytoluene) is a food flavoring agent found in ylang ylang oil.
4-Methylanisole (4-Methoxytoluene)
4-Methylanisole (4-Methoxytoluene) Chemical Structure CAS No.: 104-93-8
Product category: Biochemical Assay Reagents
This product is for research use only, not for human use. We do not sell to patients.
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Other Forms of 4-Methylanisole (4-Methoxytoluene):

  • 4-Methylanisole-d4 (4-Methoxytoluene-d4)
  • 4-Methylanisole-d3 (4-Methoxytoluene-d3)
  • 4-Methylanisole-13C (4-Methoxytoluene-13C)
  • 4-Methylanisole-d7 (4-Methoxytoluene-d7)
  • 4-Methylanisole-d7-1 (4-Methoxytoluene-d7)
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Top Publications Citing lnvivochem Products
Product Description
4-Methylanisole (4-Methoxytoluene) is a food flavoring agent found in ylang ylang oil.
4-Methylanisole (CAS 104-93-8), also known as 4-methoxytoluene or p-methylanisole, is an odorant benzenoid belonging to the group of volatile organic compounds (VOCs). Its molecular formula is C8H10O with a molecular weight of 122.16 g/mol. The compound appears as a colorless to yellow liquid with a boiling point of 174°C, a density of 0.969 g/mL, and a flash point of 53°C. It is soluble in ether and ethanol, slightly soluble in water, and soluble in 3 parts of 80% ethanol. 4-Methylanisole is typically a lignin-derived bio-oil that is also a major ingredient of certain food products. It contributes to the floral scent of plants and is used as a building block in organic synthesis.
Biological Activity I Assay Protocols (From Reference)
Targets
4-Methylanisole does not have a defined primary pharmacological target as it is primarily a chemical reagent and fragrance compound. In medicinal chemistry, the compound serves as a building block for synthesizing various organic molecules. The methoxy and methyl substituents on the benzene ring provide handles for further functionalization through electrophilic aromatic substitution and other reactions. The compound has been used to prepare 5-methoxy-1,8-dimethyltetralin and as a solubilizate molecule to study the site of incorporation of solubilizates in sodium dodecyl sulfate (SDS) micellar systems. Its utility as an electrophilic fluorinating agent precursor suggests applications in radiochemistry and imaging.
ln Vitro
In vitro activity of 4-Methylanisole as a standalone compound is not typically evaluated in pharmacological contexts, as it is primarily a chemical reagent and fragrance compound. In biochemical research, the compound may be used as a model compound for studying odorant-receptor interactions or as a reference standard in analytical chemistry. Its role as a lignin-derived bio-oil and a major ingredient of certain food products suggests that it may be encountered in toxicological and food safety studies. However, specific pharmacological activity data are not available for this compound.
ln Vivo
In vivo activity data for 4-Methylanisole are not well documented in the pharmacological literature. The compound is primarily utilized as a chemical reagent, fragrance compound, and food ingredient. Its presence in food products suggests that it has been evaluated for safety as a food additive or flavoring agent. However, specific in vivo pharmacological studies are not available. The compound's volatility (boiling point 174°C) suggests that inhalation exposure may be relevant for occupational settings. Further toxicological and pharmacokinetic studies would be needed for comprehensive in vivo characterization.
Enzyme Assay
In vitro enzyme or receptor binding assays for 4-Methylanisole are not standard, as the compound is a chemical reagent rather than a drug candidate. If evaluated, the compound might be used in studies of odorant receptors or as a substrate for cytochrome P450 enzymes to study metabolic pathways. Typical assays might involve incubation of the compound with recombinant enzymes or tissue preparations, with metabolite analysis by chromatographic methods. However, such studies are not commonly performed on this compound, as its primary applications are in fragrance and chemical synthesis rather than pharmacology.
Cell Assay
Cell-based in vitro experiments using 4-Methylanisole are not typically performed in pharmacological contexts, as the compound is a chemical reagent and fragrance compound. When used in cell biology research, the compound might be tested for cytotoxic effects or used as a model volatile organic compound for studying cellular responses to VOCs. Standard cell culture protocols would involve seeding cells in appropriate media at 37°C in a 5% CO₂ atmosphere, treating with the compound at various concentrations, and assessing cell viability or other endpoints using standard assays. The compound's volatility and limited water solubility should be considered in experimental design.
Animal Protocol
In vivo animal studies for 4-Methylanisole are not commonly performed in pharmacological contexts, as the compound is primarily a chemical reagent and fragrance compound. For toxicological or safety assessments, animals might be administered the compound via oral gavage, inhalation, or dermal exposure at various dose levels, with assessment of general toxicity, organ histopathology, and clinical chemistry parameters. Its presence in food products suggests that oral toxicity studies may have been conducted for safety evaluation. All animal studies must be conducted in accordance with institutional guidelines.
ADME/Pharmacokinetics
Metabolism / Metabolites
Hepatic microsomes induce the migration of aromatic methyl groups via NIH migration because one of the hydroxylated metabolites of p-methylanisole is m-methylp-hydroxyanisole. p-Methylanisole is metabolized in rabbits to anisic acid and p-cresol. 2-Methoxy-5-methylphenol and 5-methoxy-2-methylphenol are metabolites produced in rats and rabbits. (From table)
Pharmacokinetic properties of 4-Methylanisole have been partially characterized in the context of its use as a food ingredient and fragrance compound. As a small lipophilic molecule with molecular weight 122.16 g/mol and a LogP of 2.7, the compound would be expected to be well absorbed orally and through inhalation. The compound would distribute to lipid-rich tissues and undergo metabolism primarily through O-demethylation and aromatic hydroxylation via cytochrome P450 enzymes. The methyl group may also undergo oxidation to the corresponding carboxylic acid. Metabolites would be excreted in urine and feces as glucuronide and sulfate conjugates. However, detailed pharmacokinetic studies are limited.
Toxicity/Toxicokinetics
Toxicity Data
LC50 (Rat) > 1,205 ppm/4h
Toxicological data for 4-Methylanisole are limited in the pharmacological literature. The compound is used as a food ingredient and fragrance compound, suggesting that it has been evaluated for safety in these contexts. As a volatile organic compound, inhalation exposure may cause respiratory tract irritation. The compound has a flash point of 53°C, indicating flammability. Standard safety precautions should be followed when handling the compound, including the use of appropriate personal protective equipment and adequate ventilation. In case of contact, affected areas should be rinsed with plenty of water. The compound should be stored away from heat, sparks, and oxidizing agents. Comprehensive toxicological studies have not been reported.
References

[1]. Implementation of Toxicokinetics in Toxicity studies--Toxicokinetics of 4-methylanisole and Its Metabolites in Juvenile and Adult Rats. Regul Toxicol Pharmacol. 2015 Oct;73(1):55-64.

Additional Infomation
1-Methoxy-4-methylbenzene is a type of methoxybenzene compound. It has been reported to exist in Antidesma laciniatum, Mimusops elengi, and other organisms with relevant data.
4-Methylanisole is a chemical reagent, fragrance compound, and food ingredient rather than an approved pharmaceutical drug. Its primary applications are in organic synthesis, where it serves as a building block for preparing various compounds including 5-methoxy-1,8-dimethyltetralin and electrophilic fluorinating agents. The compound is also used as a solubilizate molecule to study micellar systems. As a volatile organic compound, it contributes to the floral scent of plants and is a major ingredient of certain food products. No clinical trials or regulatory approvals have been documented for this compound as a therapeutic agent. The compound is commercially available as a research-grade chemical with purity typically 99% or higher, supplied for laboratory synthesis and research applications.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C8H10O
Molecular Weight
122.16
Exact Mass
122.073
CAS #
104-93-8
Related CAS #
4-Methylanisole-d4;350818-57-4;4-Methylanisole-d3;14202-49-4;4-Methylanisole-13C;117923-70-3;4-Methylanisole-d7;1036431-36-3;4-Methylanisole-d7-1;1219798-94-3
PubChem CID
7731
Appearance
Colorless to light yellow liquid
Density
0.96
Boiling Point
174 ºC
Melting Point
-32 °C ; -32 °C
Flash Point
53 ºC
Vapour Pressure
1.7±0.3 mmHg at 25°C
Index of Refraction
1.494
LogP
2.59
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
1
Rotatable Bond Count
1
Heavy Atom Count
9
Complexity
72.6
Defined Atom Stereocenter Count
0
SMILES
O(C([H])([H])[H])C1C([H])=C([H])C(C([H])([H])[H])=C([H])C=1[H]
InChi Key
CHLICZRVGGXEOD-UHFFFAOYSA-N
InChi Code
InChI=1S/C8H10O/c1-7-3-5-8(9-2)6-4-7/h3-6H,1-2H3
Chemical Name
1-methoxy-4-methylbenzene
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 (818.60 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (20.46 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 (20.46 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 (20.46 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 8.1860 mL 40.9299 mL 81.8599 mL
5 mM 1.6372 mL 8.1860 mL 16.3720 mL
10 mM 0.8186 mL 4.0930 mL 8.1860 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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