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4-Methoxyphenethyl alcohol (p-Methoxyphenylethanol)

Alias: p-Methoxyphenylethanol; 4-Methoxyphenethyl alcohol
Cat No.:V53010 Purity: ≥98%
4-Methoxyphenethyl alcohol, an aromatic alcohol, is the main component of the anise-like odor produced by Amorphophallus.
4-Methoxyphenethyl alcohol (p-Methoxyphenylethanol)
4-Methoxyphenethyl alcohol (p-Methoxyphenylethanol) Chemical Structure CAS No.: 702-23-8
Product category: DNA(RNA) Synthesis
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
4-Methoxyphenethyl alcohol, an aromatic alcohol, is the main component of the anise-like odor produced by Amorphophallus. 4-Methoxyphenethyl alcohol can prevent E. coli from synthesizing proteins, RNA, and DNA.
4-Methoxyphenethyl alcohol (CAS# 702-23-8), also known as p-Methoxyphenylethanol or 2-(4-methoxyphenyl)ethanol, is an aromatic alcohol that is the major component in the anise-like odor produced by Amorphophallus. With a molecular formula of C9H12O2 and molecular weight of 152.19, this compound is a primary aromatic alcohol bearing a para-methoxy substituent on a phenethyl scaffold. It can inhibit protein, RNA, and DNA synthesis in Escherichia coli and exhibits a complete bacteriostatic concentration of 4.8 mM against Escherichia coli.
Biological Activity I Assay Protocols (From Reference)
Targets
The primary biological target of 4-Methoxyphenethyl alcohol is Escherichia coli, where it inhibits protein, RNA, and DNA synthesis. The compound prevents E. coli from synthesizing proteins, RNA, and DNA, leading to bacteriostatic effects. The mechanism involves interference with macromolecular synthesis pathways in bacterial cells, though the specific molecular targets have not been fully elucidated. As an aromatic alcohol, it may also interact with cellular membranes and affect membrane integrity.
ln Vitro
4-Methoxyphenethyl alcohol demonstrates in vitro antibacterial activity against Escherichia coli, with a complete bacteriostatic concentration of 4.8 mM. It inhibits the synthesis of DNA, RNA, and protein in E. coli. This compound can prevent E. coli from synthesizing proteins, RNA, and DNA. The compound exhibits properties typical of alcohols, including the ability to participate in hydrogen bonding, which influences its biological activity. It is also used as a building block for beta-blockers and vasodilators.
ln Vivo
In vivo studies for 4-Methoxyphenethyl alcohol have not been extensively documented in the available literature. As an aromatic alcohol with antibacterial activity, it has potential for in vivo applications. The compound is a primary component of the anise-like odor produced by Amorphophallus and is used in fragrance chemistry. It may also exhibit biological activity, making it a subject of interest in medicinal chemistry and pharmacology. However, detailed in vivo efficacy data in animal models are not currently available.
Enzyme Assay
For antibacterial activity testing, 4-Methoxyphenethyl alcohol is evaluated against Escherichia coli cultures. Bacterial cultures are grown in appropriate media and treated with the compound at various concentrations. The bacteriostatic concentration is determined by measuring bacterial growth inhibition. For macromolecular synthesis inhibition studies, E. coli cultures are treated with the compound and the incorporation of radiolabeled precursors (e.g., [3H]-thymidine for DNA, [3H]-uridine for RNA, [3H]-leucine for protein) is measured by scintillation counting.
Cell Assay
For cellular studies, Escherichia coli cultures are grown in appropriate liquid media and treated with 4-Methoxyphenethyl alcohol at various concentrations. Bacterial growth is monitored by measuring optical density at 600 nm. The complete bacteriostatic concentration is determined as the concentration that completely inhibits bacterial growth. For macromolecular synthesis inhibition, radiolabeled precursors are added to cultures and incorporation into DNA, RNA, and protein is measured by scintillation counting after precipitation. Cytotoxicity in mammalian cells can be assessed using MTT assays.
Animal Protocol
For in vivo efficacy studies, appropriate animal models of bacterial infection would be used to evaluate 4-Methoxyphenethyl alcohol. Rodents would be infected with Escherichia coli and administered the compound via oral or parenteral routes at various doses. Endpoints would include survival, bacterial clearance from tissues, and histopathological analysis. However, detailed in vivo protocols for 4-Methoxyphenethyl alcohol have not been extensively reported in the literature.
ADME/Pharmacokinetics
Pharmacokinetic properties of 4-Methoxyphenethyl alcohol have not been fully characterized in the available literature. The compound has a molecular weight of 152.19 and is a small aromatic alcohol with moderate water solubility. It exhibits properties typical of alcohols, including the ability to participate in hydrogen bonding, which influences its boiling point and solubility. The compound is widely used in pharmaceutical synthesis and fragrance chemistry. Comprehensive PK studies are needed to fully understand its ADME properties.
Toxicity/Toxicokinetics
4-Methoxyphenethyl alcohol is a research compound intended for laboratory use only and is not approved for human therapeutic use. As an aromatic alcohol, it exhibits antibacterial activity against Escherichia coli by inhibiting protein, RNA, and DNA synthesis. The compound is widely used in pharmaceutical synthesis and fragrance chemistry. Standard laboratory safety precautions should be followed when handling this compound.
References

[1]. Inhibition of protein, RNA and DNA synthesis in Escherichia coli by p-methoxyphenethyl alcohol. Biochim Biophys Acta. 1966 Sep;123(3):646-8.

[2]. Inflorescence odours of Amorphophallus and Pseudodracontium (Araceae). Phytochemistry. 1997 Sep; 46(1): 71-75.

Additional Infomation
It has been reported that water lilies (Nymphaea rudgeana), white arum (Amorphophallus albispathus), and other organisms with available data contain 4-methoxyphenylethanol.
4-Methoxyphenethyl alcohol is an aromatic alcohol with molecular formula C9H12O2 and molecular weight 152.19. It inhibits protein, RNA, and DNA synthesis in Escherichia coli with a complete bacteriostatic concentration of 4.8 mM. The compound is a major component of the anise-like odor produced by Amorphophallus and is widely used in pharmaceutical synthesis and fragrance chemistry. It is for research use only and has not been approved for clinical applications.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H12O2
Molecular Weight
152.19
Exact Mass
152.083
CAS #
702-23-8
PubChem CID
69705
Appearance
Colorless to off-white <26°C solid; >28°C liquid
Density
1.1±0.1 g/cm3
Boiling Point
257.5±15.0 °C at 760 mmHg
Melting Point
26-28 °C(lit.)
Flash Point
110.2±14.6 °C
Vapour Pressure
0.0±0.6 mmHg at 25°C
Index of Refraction
1.524
LogP
1.27
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
3
Heavy Atom Count
11
Complexity
95.7
Defined Atom Stereocenter Count
0
SMILES
COC1=CC=C(C=C1)CCO
InChi Key
AUWDOZOUJWEPBA-UHFFFAOYSA-N
InChi Code
InChI=1S/C9H12O2/c1-11-9-4-2-8(3-5-9)6-7-10/h2-5,10H,6-7H2,1H3
Chemical Name
2-(4-methoxyphenyl)ethanol
Synonyms
p-Methoxyphenylethanol; 4-Methoxyphenethyl alcohol
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 (~657.1 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (16.43 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 (16.43 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 (16.43 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 6.5707 mL 32.8537 mL 65.7073 mL
5 mM 1.3141 mL 6.5707 mL 13.1415 mL
10 mM 0.6571 mL 3.2854 mL 6.5707 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.

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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?
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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
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)
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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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