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Squalene-d6 (Super Squalene-d6; trans-Squalene-d6; AddaVax-d6)

Cat No.:V85576 Purity: ≥98%
Squalene-d6 (Super Squalene-d6; trans-Squalene-d6; AddaVax-d6)
Squalene-d6 (Super Squalene-d6; trans-Squalene-d6; AddaVax-d6) Chemical Structure CAS No.: 1875101-86-2
Product category: Isotope-Labeled Compounds
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
10mg
Other Sizes
Official Supplier of:
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Product Description
Squalene-d6 is an isotope-labeled squalene. Squalene (Super Squalene) is an intermediate product in cholesterol synthesis and has multiple pharmacological properties such as hypolipidemic, liver protection, anti-atherosclerosis, cardioprotection, antioxidant and anti-tumor.
Squalene-d6 is a stable isotope-labeled analog of the natural triterpene squalene, in which six hydrogen atoms are replaced by deuterium. With a molecular formula of C₃₀H₄₄D₆ and a molecular weight of 416.75 g/mol, this compound is primarily employed as an internal standard in mass spectrometry (MS) and nuclear magnetic resonance (NMR) spectroscopy for the accurate quantification of squalene in complex biological and environmental matrices. Beyond analytical chemistry, deuterium labeling confers distinct physicochemical properties that enable applications in metabolic tracing and material stability studies.
Biological Activity I Assay Protocols (From Reference)
Targets
As a stable isotope-labeled internal standard, Squalene-d6 does not have a pharmacological target. The unlabeled parent compound squalene is an intermediate product in cholesterol biosynthesis and has various pharmacological properties including lipid-lowering, hepatoprotective, anti-atherosclerotic, cardioprotective, antioxidant, and antitumor activities.
ln Vitro
As an isotope-labeled analytical standard, Squalene-d6 itself does not exhibit biological activity in vitro. The unlabeled parent compound squalene has been studied for various bioactivities including antioxidant properties and immunomodulatory effects. In cell-free systems, squalene demonstrates free radical scavenging activity and acts as a quencher of singlet oxygen.
ln Vivo
As an isotope-labeled analytical standard, Squalene-d6 itself does not exhibit biological activity in vivo. The unlabeled parent compound squalene is a natural triterpene found in high concentrations in shark liver oil and olive oil, and is used as an immunologic adjuvant in vaccine formulations (e.g., AddaVax, MF59). It enhances immune responses through stimulation of antigen-presenting cells.
Enzyme Assay
Non-cell-based assay protocols for Squalene-d6 typically involve LC-MS/MS or GC-MS analysis. A representative workflow includes: sample extraction with organic solvents (e.g., hexane or chloroform:methanol), saponification if necessary, solid-phase extraction cleanup, chromatographic separation on a C18 or DB-5 column, and MS detection in selected ion monitoring (SIM) or MRM mode. The deuterated compound serves as an internal standard for quantification of endogenous squalene.
Cell Assay
Cell-based assays are not applicable to Squalene-d6 as it is an isotope-labeled analytical standard. However, the unlabeled parent compound squalene may be evaluated in cell culture models for its effects on cell viability, lipid metabolism, and oxidative stress using standard cytotoxicity assays (MTT, LDH release) and biochemical marker measurements.
Animal Protocol
In vivo studies are not conducted with Squalene-d6 as it is an analytical standard rather than a therapeutic agent. The unlabeled parent compound squalene has been studied in animal models for its immunoadjuvant properties, typically administered as an emulsion component in vaccine formulations via intramuscular or subcutaneous injection.
ADME/Pharmacokinetics
Dosing and pharmacokinetic studies are not applicable to Squalene-d6 as it is an analytical standard. The unlabeled parent compound squalene, when administered in vaccine adjuvants, exhibits prolonged retention at the injection site with slow absorption into systemic circulation, and is primarily metabolized through the cholesterol biosynthesis pathway.
Toxicity/Toxicokinetics
Squalene-d6 is a research-use stable isotope-labeled compound and is not intended for human therapeutic use. Toxicological data are not applicable to this analytical standard. The unlabeled parent compound squalene is generally recognized as safe (GRAS) when used in food and cosmetic products, and is approved as an adjuvant component in certain human vaccines (e.g., MF59-adjuvanted influenza vaccines).
References

[1].SQUALENE: PHYSIOLOGICAL AND PHARMACOLOGICAL PROPERTIES. Eksp Klin Farmakol. 2015;78(6):30-6.

[2].Squalene protects against oxidative DNA damage in MCF10A human mammary epithelial cells but not in MCF7 and MDA-MB-231 human breast cancer cells. Food Chem Toxicol. 2010 Apr;48(4):1092-100.

Additional Infomation
Squalene-d6 (CAS 1875101-86-2) is a valuable tool for quantitative bioanalysis, metabolic tracing, and stable isotope dilution assays. The deuterium labeling has been shown to enhance the oxidative stability of squalene compared to its unlabeled counterpart. This compound is also referred to as Super Squalene-d6, trans-Squalene-d6, and AddaVax-d6. It is typically stored at -20°C, protected from light, and under nitrogen atmosphere.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C30H50
Molecular Weight
416.754979610443
Exact Mass
416.428
CAS #
1875101-86-2
PubChem CID
71752234
Appearance
Colorless to light yellow liquid
LogP
11.6
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
0
Rotatable Bond Count
15
Heavy Atom Count
30
Complexity
578
Defined Atom Stereocenter Count
0
SMILES
C(/C(/C)=C/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/C)C/C=C(\C)/CC/C=C(\C([2H])([2H])[2H])/C([2H])([2H])[2H]
InChi Key
YYGNTYWPHWGJRM-FSAUMQCISA-N
InChi Code
InChI=1S/C30H50/c1-25(2)15-11-19-29(7)23-13-21-27(5)17-9-10-18-28(6)22-14-24-30(8)20-12-16-26(3)4/h15-18,23-24H,9-14,19-22H2,1-8H3/b27-17+,28-18+,29-23+,30-24+/i1D3,2D3
Chemical Name
(6E,10E,14E,18E)-1,1,1-trideuterio-6,10,15,19,23-pentamethyl-2-(trideuteriomethyl)tetracosa-2,6,10,14,18,22-hexaene
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

Note: (1). This product requires protection from light (avoid light exposure) during transportation and storage.  (2). Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture.
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)
Typically soluble in DMSO (e.g. 10 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 2.3995 mL 11.9973 mL 23.9946 mL
5 mM 0.4799 mL 2.3995 mL 4.7989 mL
10 mM 0.2399 mL 1.1997 mL 2.3995 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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