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Cinnamic acid-d6 (3-Phenylacrylic acid-d6; β-Phenylacrylic acid-d6)

Cat No.:V72345 Purity: ≥98%
Cinnamic acid-d6 is the deuterated form of Cinnamic acid.
Cinnamic acid-d6 (3-Phenylacrylic acid-d6; β-Phenylacrylic acid-d6)
Cinnamic acid-d6 (3-Phenylacrylic acid-d6; β-Phenylacrylic acid-d6) Chemical Structure CAS No.: 91453-04-2
Product category: Endogenous Metabolite
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
Other Sizes

Other Forms of Cinnamic acid-d6 (3-Phenylacrylic acid-d6; β-Phenylacrylic acid-d6):

  • 2-Chlorocinnamic acid (2-chlorocinnamic acid; o-chlorocinnamic acid)
  • 3,4,5-Trihydroxycinnamic acid decyl ester
  • Hydrocinnamic acid-d9 (3-Phenylpropionic acid-d9; 3-Phenylpropanoic acid-d9; 3-Phenyl-n-propionic acid-d9)
  • trans-Caffeic acid (3,4-dihydroxycinnamic acid (caffeic acid))
  • Cinnamic acid
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Top Publications Citing lnvivochem Products
Product Description
Cinnamic acid-d6 is the deuterated form of Cinnamic acid. Cinnamic acid has potential use in cancer intervention, with IC50s of 1-4.5 mM against glioblastoma, melanoma, prostate cancer, and lung cancer cells.
Cinnamic acid-d6 is the deuterium-labeled form of cinnamic acid, a naturally occurring phenolic compound. Cinnamic acid has potential use in cancer intervention. The deuterated compound is used as an internal standard for the quantification of cinnamic acid by mass spectrometry.
Biological Activity I Assay Protocols (From Reference)
Targets
Cinnamic acid targets cancer cells and has been shown to inhibit cell proliferation in various cancer cell lines. It exhibits IC50 values of 1-4.5 mM against glioblastoma, melanoma, prostate cancer, and lung cancer cells. The compound may also interact with metabolic enzymes and signaling pathways involved in cancer progression. The mechanism is thought to involve induction of apoptosis and cell cycle arrest.
ln Vitro
Drug compounds have included stable heavy isotopes of carbon, hydrogen, and other elements, mostly as quantitative tracers while the drugs were being developed. Because deuteration may have an effect on a drug's pharmacokinetics and metabolic properties, it is a cause for concern [1].
In vitro, cinnamic acid exhibits cytotoxic activity against various cancer cell lines with IC50 values of 1-4.5 mM. It inhibits cell proliferation in glioblastoma, melanoma, prostate cancer, and lung carcinoma cells. The compound induces apoptosis and may modulate signaling pathways involved in cell survival. The deuterated form is used as an internal standard to accurately quantify cinnamic acid in biological samples.
ln Vivo
In vivo, cinnamic acid has been studied for its potential anticancer effects. The compound is metabolized and distributed throughout the body. Its deuterated form is used in pharmacokinetic studies to trace the absorption, distribution, metabolism, and excretion of cinnamic acid. The compound has potential use in cancer intervention. Further in vivo studies are needed to fully characterize its pharmacological activity.
Enzyme Assay
In vitro enzyme/receptor binding assays for cinnamic acid typically involve incubating the compound with target enzymes or receptors in buffered solutions. Binding affinity is measured by surface plasmon resonance or fluorescence polarization. For metabolic studies, cinnamic acid-d6 is incubated with liver microsomes or recombinant enzymes, and metabolites are analyzed by LC-MS/MS. The deuterated form serves as an internal standard to correct for matrix effects.
Cell Assay
For in vitro cell assays, cancer cell lines (e.g., glioblastoma, melanoma, prostate cancer, lung cancer) are cultured in appropriate medium supplemented with 10% FBS. Cells are treated with cinnamic acid-d6 at concentrations of 0.1-10 mM for 24-72 hours. Cell viability is assessed by MTT or SRB assays. IC50 values are determined from dose-response curves. Apoptosis is evaluated by flow cytometry using Annexin V/PI staining. Cellular uptake is analyzed by LC-MS/MS.
Animal Protocol
For in vivo animal studies, cinnamic acid-d6 is administered to rodents via oral gavage or intraperitoneal injection at doses of 10-100 mg/kg. Blood and tissue samples are collected at various time points for pharmacokinetic analysis. Plasma cinnamic acid levels are quantified by LC-MS/MS using the deuterated compound as an internal standard. Tissue distribution and metabolite identification are performed to assess the compound's pharmacokinetic profile.
ADME/Pharmacokinetics
Cinnamic acid-d6 has a molecular weight of 154.20. It is soluble in DMSO (250 mg/mL). The compound is stable as a powder at -20°C for 3 years and at 4°C for 2 years, and in solvent at -80°C for 6 months. It has a melting point of 132-135°C and a logP of 1.784. The deuterium labeling provides a mass shift of +6 Da for MS detection.
Toxicity/Toxicokinetics
The compound is for research use only, not for human therapeutic applications. Cinnamic acid is generally considered to have low toxicity, with an oral LD50 in rats of approximately 2.5 g/kg. The deuterated form is not expected to exhibit additional toxicity. No specific toxicity data are available for the deuterated analog. Standard safety precautions should be followed when handling.
References

[1]. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019;53(2):211-216.

[2]. Cinnamic acid: a natural product with potential use in cancer intervention. Int J Cancer. 1995 Jul 28;62(3):345-50.

Additional Infomation
Cinnamic acid-d6 (CAS# 91453-04-2) is a stable isotope-labeled compound used primarily as an analytical internal standard in metabolomics and pharmacokinetic studies. It has not been investigated in clinical trials nor approved as a therapeutic drug. The compound is used in research on cancer, metabolism, and natural product chemistry. The deuterated form enables precise quantification of cinnamic acid in complex biological matrices.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H2D6O2
Molecular Weight
154.20
Exact Mass
154.09
CAS #
91453-04-2
Related CAS #
Cinnamic acid;621-82-9
PubChem CID
16213747
Appearance
White to off-white solid powder
Boiling Point
300ºC(lit.)
Melting Point
132-135ºC(lit.)
LogP
1.784
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
2
Heavy Atom Count
11
Complexity
155
Defined Atom Stereocenter Count
0
SMILES
[2H]C1=C(C(=C(C(=C1[2H])[2H])/C(=C/C(=O)O)/[2H])[2H])[2H]
InChi Key
WBYWAXJHAXSJNI-UMENIHJVSA-N
InChi Code
InChI=1S/C9H8O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-7H,(H,10,11)/b7-6+/i1D,2D,3D,4D,5D,6D
Chemical Name
(E)-3-deuterio-3-(2,3,4,5,6-pentadeuteriophenyl)prop-2-enoic acid
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 (1621.27 mM)
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 6.4851 mL 32.4254 mL 64.8508 mL
5 mM 1.2970 mL 6.4851 mL 12.9702 mL
10 mM 0.6485 mL 3.2425 mL 6.4851 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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