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  5. rel-α-Vitamin E

rel-α-Vitamin E  (Synonyms: rel-D-α-Tocopherol)

Cat. No.: HY-N0683A Purity: ≥70.0%
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rel-α-Vitamin E (rel-D-α-Tocopherol) is a vitamin with antioxidant properties and also a mixture.

For research use only. We do not sell to patients.

rel-α-Vitamin E Chemical Structure

rel-α-Vitamin E Chemical Structure

CAS No. : 2074-53-5

Size Price Stock Quantity
Oil + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 66 In-stock
Solution
10 mM * 1 mL in DMSO USD 66 In-stock
Oil
5 mg USD 38 In-stock
10 mg USD 60 In-stock
50 mg   Get quote  
100 mg   Get quote  

* Please select Quantity before adding items.

This product is a controlled substance and not for sale in your territory.

Customer Review

Based on 1 publication(s) in Google Scholar

Other Forms of rel-α-Vitamin E:

rel-α-Vitamin E Related Antibodies

Top Publications Citing Use of Products

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

rel-α-Vitamin E (rel-D-α-Tocopherol) is a vitamin with antioxidant properties and also a mixture[1].

In Vitro

Vitamin E is a lipid-soluble, chain-breaking type of antioxidant present in human blood. Vitamin E works as a free radical scavenger and has the primary function of destroying peroxyl radicals. Thus, it protects long-chain polyunsaturated fatty acids (e.g., cell membranes or low-density lipoprotein cholesterol) from oxidation or destruction. Its association with vitamin C is of great pathophysiological importance, because inhibition of lipid peroxidation by α-tocopherol occurs through its conversion into an oxidized α-tocopheroxyl radical, which in turn is regenerated to α-tocopherol through reduction by redox-active reagents[1].
α-Tocopherol can inhibit the recruitment of lymphocytes and eosinophils[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

rel-α-Vitamin E Related Antibodies
In Vivo

In order to longitudinally relate vitamin E status, evaluated by means of α- and γ-tocopherol measured in erythrocytes membranes, to inflammatory state and oxidative stress by means of total antioxidant capacity of plasma and lipid peroxidation biomarkers, and to assess its association to hard long-term outcomes (e.g., overall and cause-specific graft and recipient loss), and to be able to likewise account for liver, lung, and heart transplant recipients[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Molecular Weight

430.72

Formula

C29H50O2
CAS No.
Appearance

Oil

Color

Light yellow to yellow

SMILES

OC1=C(C)C(C)=C2C(CC[C@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)O2)=C1C.[Relative stereochemistry]
Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Pure form -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

Ethanol : 50 mg/mL (116.08 mM; Need ultrasonic)

DMSO : 16.11 mg/mL (37.40 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : < 0.1 mg/mL (insoluble)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.3217 mL 11.6085 mL 23.2169 mL
5 mM 0.4643 mL 2.3217 mL 4.6434 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 1.61 mg/mL (3.74 mM); Clear solution

    This protocol yields a clear solution of ≥ 1.61 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (16.1 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 1.61 mg/mL (3.74 mM); Clear solution

    This protocol yields a clear solution of ≥ 1.61 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (16.1 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO / Ethanol 1 mM 2.3217 mL 11.6085 mL 23.2169 mL 58.0423 mL
5 mM 0.4643 mL 2.3217 mL 4.6434 mL 11.6085 mL
10 mM 0.2322 mL 1.1608 mL 2.3217 mL 5.8042 mL
15 mM 0.1548 mL 0.7739 mL 1.5478 mL 3.8695 mL
20 mM 0.1161 mL 0.5804 mL 1.1608 mL 2.9021 mL
25 mM 0.0929 mL 0.4643 mL 0.9287 mL 2.3217 mL
30 mM 0.0774 mL 0.3869 mL 0.7739 mL 1.9347 mL
Ethanol 40 mM 0.0580 mL 0.2902 mL 0.5804 mL 1.4511 mL
50 mM 0.0464 mL 0.2322 mL 0.4643 mL 1.1608 mL
60 mM 0.0387 mL 0.1935 mL 0.3869 mL 0.9674 mL
80 mM 0.0290 mL 0.1451 mL 0.2902 mL 0.7255 mL
100 mM 0.0232 mL 0.1161 mL 0.2322 mL 0.5804 mL
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

rel-α-Vitamin E2074-53-5rel-D-α-TocopherolOthersMixtureantioxidantα-tocopheroloxidativestressinflammationbiomarkerInhibitorinhibitorinhibit

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