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(+)-Delta-Tocopherol
(+)-Delta-Tocopherol
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name (+)-Delta-Tocopherol
Price:
CAS No.: 119-13-1
Catalog No.: CFN91145
Molecular Formula: C27H46O2
Molecular Weight: 402.7 g/mol
Purity: >95%
Type of Compound: Phenols
Physical Desc.: Oil
Source: The roots of Stemona sessilifolia
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS
Similar structural: Comparison (Web)  (SDF)
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: (+)-Delta-Tocopherol has antioxidant activity.
(+)-Delta-Tocopherol Description
Source: The roots of Stemona sessilifolia
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

PMID: 29328914

Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
IF=22.415(2019)

PMID: 32004475

Mol Cell. 2017 Nov 16;68(4):673-685.e6.
doi: 10.1016/j.molcel.2017.10.022.
IF=14.548(2019)

PMID: 29149595

ACS Nano. 2018 Apr 24;12(4): 3385-3396.
doi: 10.1021/acsnano.7b08969.
IF=13.903(2019)

PMID: 29553709

Nature Plants. 2016 Dec 22;3: 16206.
doi: 10.1038/nplants.2016.205.
IF=13.297(2019)

PMID: 28005066

Sci Adv. 2018 Oct 24;4(10): eaat6994.
doi: 10.1126/sciadv.aat6994.
IF=12.804(2019)

PMID: 30417089
Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.4832 mL 12.4162 mL 24.8324 mL 49.6648 mL 62.081 mL
5 mM 0.4966 mL 2.4832 mL 4.9665 mL 9.933 mL 12.4162 mL
10 mM 0.2483 mL 1.2416 mL 2.4832 mL 4.9665 mL 6.2081 mL
50 mM 0.0497 mL 0.2483 mL 0.4966 mL 0.9933 mL 1.2416 mL
100 mM 0.0248 mL 0.1242 mL 0.2483 mL 0.4966 mL 0.6208 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Structure Identification:
J Agric Food Chem. 2002 Mar 27;50(7):1815-21.
Development and validation of oxygen radical absorbance capacity assay for lipophilic antioxidants using randomly methylated beta-cyclodextrin as the solubility enhancer.[Pubmed: 11902917 ]
We recently reported the improved oxygen radical absorbance capacity (ORAC) assay using fluorescein (FL) as the fluorescent probe. The current ORAC(FL) assay is limited in hydrophilic antioxidant due to the aqueous environment of the assay. Lipophilic antioxidants mainly include the vitamin E family and carotenoids, which play a critical role in biological defense systems.
METHODS AND RESULTS:
In this paper, we expanded the current ORAC(FL) assay to lipophilic antioxidants. Randomly methylated beta-cyclodextrin (RMCD) was introduced as the water solubility enhancer for lipophilic antioxidants. Seven percent RMCD (w/v) in a 50% acetone-H(2)O mixture was found to sufficiently solubilize vitamin E compounds and other lipophilic phenolic antioxidants in 75 mM phosphate buffer (pH 7.4). This newly developed ORAC assay (abbbreviated ORAC(FL-LIPO)) was validated through linearity, precision, accuracy, and ruggedness. The validation results demonstrate that the ORAC(FL-LIPO) assay is reliable and robust. For the first time, by using 6-hydroxy-2,5,7,8-tetramethyl-2-carboxylic acid as a standard (1.0), the ORAC values of alpha-tocopherol, (+)-gamma-tocopherol, (+)-Delta-Tocopherol((+)-δ-Tocopherol), alpha-tocopherol acetate, tocotrienols, 2,6-di-tert-butyl-4-methylphenol, and gamma-oryzanol were determined to be 0.5 +/- 0.02, 0.74 +/- 0.03, 1.36 +/- 0.14, 0.00, 0.91 +/- 0.04, 0.16 +/- 0.01, and 3.00 +/- 0.26, respectively.
CONCLUSIONS:
The structural information of oxidized alpha-tocopherol obtained by liquid chromatography/mass spectrometry reveals that the mechanism for the reaction between the vitamin E and the peroxyl radical follows the hydrogen atom transfer mechanism, which is in agreement with the notion that vitamin E is the chain-breaking antioxidant.
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CAS No: 76296-72-5
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CAS No: 11021-14-0
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