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Dihydropinosylvin (5-phenylethyl-1,3-dihydroxybenzene)

Cat No.:V57071 Purity: ≥98%
Dihydropinosylvin is a stilbene compound found in Stemona collinsae.
Dihydropinosylvin (5-phenylethyl-1,3-dihydroxybenzene)
Dihydropinosylvin (5-phenylethyl-1,3-dihydroxybenzene) Chemical Structure CAS No.: 14531-52-3
Product category: Phenols
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
50mg
100mg
Other Sizes
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Product Description
Dihydropinosylvin is a stilbene compound found in Stemona collinsae.
Dihydropinosylvin (5-phenylethyl-1,3-dihydroxybenzene) is a stilbenoid phytoalexin with the molecular formula C14H14O2 and a molecular weight of 214.26. It can be found in Stemona collinsae and Dioscorea species. It is a member of the resorcinols class.
Product Application
Overview
Dihydropinosylvin (5-phenylethyl-1,3-dihydroxybenzene) is a naturally occurring stilbene compound isolated from Stemona collinsae. Supplied at high purity (≥98%), this research-grade molecule is commonly used in studies exploring plant-derived bioactive compounds and their biological properties. Stilbenes are a well-recognized class of natural products known for their diverse pharmacological and biochemical activities.
As a structurally defined stilbene, Dihydropinosylvin offers researchers a valuable tool for investigating the biological effects and molecular interactions associated with this compound class. Its natural origin and clean chemical profile support consistent use across experimental systems.

Research Applications
Dihydropinosylvin is primarily utilized in exploratory research focused on natural product chemistry, bioactivity screening, and molecular mechanism studies. Researchers may use this compound to examine cellular responses to stilbene-based structures, including effects on signaling pathways, oxidative balance, and metabolic regulation.
The compound is suitable for use in cell-based assays, biochemical evaluations, and comparative studies involving other stilbene derivatives. Its structural simplicity allows for clear interpretation of biological outcomes, making it useful for structure–activity relationship analyses and mechanistic investigations.
Dihydropinosylvin may also be incorporated into studies evaluating plant-derived compounds for their potential biological relevance, including antioxidant-related pathways and cellular stress responses. Its versatility supports early-stage research aimed at understanding how stilbene compounds interact with biological systems.
Dihydropinosylvin is provided with essential documentation, including a Safety Data Sheet (SDS) and supporting product information. Each batch undergoes quality verification to ensure purity, stability, and reproducibility across research applications. This product is intended exclusively for laboratory research and is not approved for clinical or therapeutic use.

Built for Consistent Research Outcomes
InvivoChem supplies Dihydropinosylvin as part of its growing portfolio of high-quality natural research compounds. Contact us today for details.
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Biological Activity I Assay Protocols (From Reference)
Targets
Dihydropinosylvin exhibits antifungal and antibacterial activities. It shows antifungal activity against Cladosporium cladosporioides, Botryodiplodia theobromae, Aspergillus niger, and Penicillium schlerotgenum. It also exhibits strong antibacterial activity against Bacillus cereus, Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli. It inhibits seed germination and root elongation.
ln Vitro
In vitro, Dihydropinosylvin shows antifungal activity against multiple fungal strains. It exhibits strong antibacterial activity against various bacteria. It inhibits the germination of seeds and root elongation in young seedlings of Sorghum bicolor. It is a phytoalexin that is induced in response to fungal infection or chemical treatment.
ln Vivo
In vivo, Dihydropinosylvin has potential applications as a natural antifungal and antibacterial agent. Its phytoalexin properties suggest a role in plant defense against pathogens. No specific therapeutic applications in animals have been reported.
Enzyme Assay
Cell-free assays for Dihydropinosylvin involve antifungal and antibacterial activity testing. Antifungal activity is assessed by agar diffusion or broth microdilution assays against fungal strains. Antibacterial activity is assessed similarly against bacterial strains. The compound is incubated with microorganisms, and growth inhibition is measured. IC50 or MIC values are calculated.
Cell Assay
Cellular assays for Dihydropinosylvin are not typical, as it is a phytoalexin studied primarily in plant systems. Plant cells or tissues are treated with the compound, and its effects on seed germination, root elongation, and pathogen defense are assessed.
Animal Protocol
In vivo animal studies for Dihydropinosylvin have not been reported. As a plant phytoalexin, its primary applications are in agricultural and plant biology research. No therapeutic animal studies have been described.
ADME/Pharmacokinetics
Pharmacokinetic properties of Dihydropinosylvin are not extensively characterized. Molecular weight: 214.26. Solubility: DMSO (<2.14 mg/mL, slightly soluble). Storage: powder at -20°C for up to 3 years; in solvent at -80°C for 1 year. Purity: ≥98%.
Toxicity/Toxicokinetics
Comprehensive toxicity data for Dihydropinosylvin are limited. As a natural phytoalexin, it is generally considered safe at moderate doses. It is for research use only and not approved for clinical use.
References

[1]. Inhibition of leukotriene biosynthesis by stilbenoids from Stemona species. J Nat Prod. 2005 Jan;68(1):83-5.

Additional Infomation
Dihydropinosylvin belongs to the resorcinol class of compounds, with an additional 2-phenylethyl substituent at the 5-position. It is an EC 1.14.18.1 (tyrosinase) inhibitor and a plant metabolite. It belongs to the resorcinol and diphenylethane classes. Dihydropinosylvin has been reported to exist in Pinus sylvestris, Stemona pierrei, and several other organisms with relevant data.
Dihydropinosylvin is a research compound with potential applications in antifungal, antibacterial, and agricultural research. It is a phytoalexin found in various plant species. Its mechanism involves antimicrobial activity. No clinical trials or FDA approvals have been reported.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C14H14O2
Molecular Weight
214.26
Exact Mass
214.099
CAS #
14531-52-3
PubChem CID
442700
Appearance
White to off-white solid
Density
1.2±0.1 g/cm3
Boiling Point
366.0±17.0 °C at 760 mmHg
Flash Point
175.7±15.5 °C
Vapour Pressure
0.0±0.9 mmHg at 25°C
Index of Refraction
1.631
LogP
3.24
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
3
Heavy Atom Count
16
Complexity
189
Defined Atom Stereocenter Count
0
SMILES
OC1=CC(O)=CC(CCC2C=CC=CC=2)=C1
InChi Key
LDBYHULIXFIJAZ-UHFFFAOYSA-N
InChi Code
InChI=1S/C14H14O2/c15-13-8-12(9-14(16)10-13)7-6-11-4-2-1-3-5-11/h1-5,8-10,15-16H,6-7H2
Chemical Name
5-(2-phenylethyl)benzene-1,3-diol
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 (466.72 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (11.67 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 (11.67 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 (11.67 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 4.6672 mL 23.3361 mL 46.6723 mL
5 mM 0.9334 mL 4.6672 mL 9.3345 mL
10 mM 0.4667 mL 2.3336 mL 4.6672 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.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
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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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