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Pentadecanoic acid

Cat No.:V34179 Purity: ≥98%
Pentadecanoic acid is a saturated fatty acid with a 15-carbon backbone.
Pentadecanoic acid
Pentadecanoic acid Chemical Structure CAS No.: 1002-84-2
Product category: New2
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
10g
Other Sizes
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Product Description
Pentadecanoic acid is a saturated fatty acid with a 15-carbon backbone.
Pentadecanoic acid (CAS# 1002-84-2), also known as C15:0 or pentadecylic acid, is a saturated odd-chain fatty acid found in trace amounts in dairy fat, certain fish, and some plants. It is a 15-carbon saturated fatty acid with the formula C₁₅H₃₀O₂ and a molecular weight of 242.40 g/mol. The compound is used as a biological marker for the intake of dairy fat in the assessment of metabolic risk factors.
Biological Activity I Assay Protocols (From Reference)
Targets
Pentadecanoic acid does not have a specific therapeutic target but is a fatty acid involved in lipid metabolism. It can be incorporated into cell membranes and may influence membrane fluidity and signaling. As a saturated fatty acid, it may activate Toll-like receptors or other fatty acid sensors, but its primary use is as a biomarker for dairy fat intake.
ln Vitro
In vitro, pentadecanoic acid is used as a reference standard and as a fatty acid in cell culture studies. It is a saturated fatty acid that can be used to study the effects of odd-chain fatty acids on cellular metabolism. Its role in lipid metabolism has been characterized in various cell-based assays. The compound is soluble in chloroform, dichloromethane, ethyl acetate, DMSO, and acetone.
ln Vivo
In vivo, pentadecanoic acid is a biomarker for the intake of dairy fat. It is found in esterified form in the lipids of many bacterial species and in the milk fat of ruminants. Higher circulating levels of pentadecanoic acid are associated with lower risks of cardiovascular disease and type 2 diabetes, although it is unclear whether this reflects dairy fat intake or other lifexstyle factors.
Enzyme Assay
For in vitro cell-based assays, pentadecanoic acid is typically tested on adipocytes, hepatocytes, or macrophages. Cells are treated with the fatty acid at various concentrations (typically 10-200 µM) for 24-48 hours. Lipid accumulation is assessed by Oil Red O staining. Inflammatory cytokine production is measured by ELISA. Gene expression of metabolic and inflammatory markers is assessed by qPCR.
Cell Assay
For in vitro enzyme assays, pentadecanoic acid can be used as a substrate for fatty acid-metabolizing enzymes such as acyl-CoA synthetases or fatty acid desaturases. The enzyme is incubated with the fatty acid and cofactors, and activity is measured by monitoring the consumption of cofactors (ATP, CoA) or the production of reaction products using spectrophotometric or chromatographic methods.
Animal Protocol
For in vivo animal experiments, pentadecanoic acid is typically administered orally to rodents. The compound is given at doses ranging from 10-100 mg/kg daily for 2-8 weeks. Blood samples are collected to measure fatty acid levels and metabolic parameters. Tissue fatty acid composition is analyzed by gas chromatography. The compound's effects on metabolic health are evaluated by measuring body weight, glucose tolerance, and inflammatory markers.
ADME/Pharmacokinetics
Pharmacokinetic data for pentadecanoic acid indicate that it is absorbed from the diet and incorporated into lipoproteins and cell membranes. The compound has a molecular weight of 242.40 g/mol and formula C₁₅H₃₀O₂. It is metabolized via beta-oxidation and can be elongated or desaturated to other fatty acids. Its half-life in circulation is determined by its incorporation into lipid pools and its rate of oxidation.
Toxicity/Toxicokinetics
Toxicological data for pentadecanoic acid indicate that it is generally well-tolerated. As a naturally occurring fatty acid, it is considered safe at dietary intake levels. At very high doses, saturated fatty acids may cause metabolic disturbances. The compound is classified as a research-grade reagent and is not for human therapeutic use. Standard laboratory safety practices should be followed when handling.
Additional Infomation
Pentadecanoic acid (PCA) is a straight-chain saturated fatty acid containing fifteen carbon atoms. It is found in plants, food, Daphnia magna, human serum, and algae as a metabolite. It is a long-chain fatty acid and also a straight-chain saturated fatty acid. It is the conjugate acid of pentadecanoic acid. PCA has been reported in Hoya crassipes, Hoya pseudolanceolata, and other organisms with relevant data. Pentadecanoic acid is a saturated fatty acid with a 15-carbon backbone. Animals typically do not synthesize PCA, but it is present in very low amounts in dairy products.
Pentadecanoic acid is a research-use only compound and has not been approved for clinical applications. It is also known as n-pentadecanoic acid and pentadecylic acid. Its molecular weight is 242.40, and its formula is C₁₅H₃₀O₂. The compound has a melting point of 52.3°C and a boiling point of 339.1°C. It is used as a biological marker for dairy fat intake in the assessment of metabolic risk factors. It is available from various research chemical suppliers.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C15H30O2
Exact Mass
242.224
CAS #
1002-84-2
PubChem CID
13849
Appearance
White to off-white solid powder
Density
0.9±0.1 g/cm3
Boiling Point
330.4±5.0 °C at 760 mmHg
Melting Point
51-53 °C(lit.)
Flash Point
149.6±12.5 °C
Vapour Pressure
0.0±0.8 mmHg at 25°C
Index of Refraction
1.452
LogP
6.62
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
13
Heavy Atom Count
17
Complexity
166
Defined Atom Stereocenter Count
0
SMILES
O([H])C(C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H])=O
InChi Key
WQEPLUUGTLDZJY-UHFFFAOYSA-N
InChi Code
InChI=1S/C15H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15(16)17/h2-14H2,1H3,(H,16,17)
Chemical Name
pentadecanoic 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 : ~62.5 mg/mL (~257.84 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (8.58 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 20.8 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: ≥ 2.08 mg/mL (8.58 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 20.8 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.)
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
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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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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