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430676

Sigma-Aldrich

2,2,5,7,8-Pentamethyl-6-chromanol

97%

Sinonimo/i:

α-C-1-Chromanol, 2,2,5,7,8-Pentamethyl-3,4-dihydrochromen-6-ol, 2,2,5,7,8-Pentamethyl-6-hydroxychroman, 3,4-Dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran-6-ol, 6-Hydroxy-2,2,5,7,8-pentamethylchroman

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69,30 €
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Cambia visualizzazione
5 G
69,30 €
25 G
258,00 €

About This Item

Formula empirica (notazione di Hill):
C14H20O2
Numero CAS:
Peso molecolare:
220.31
Numero MDL:
Codice UNSPSC:
12352100
ID PubChem:
NACRES:
NA.22

69,30 €


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Livello qualitativo

Saggio

97%

Stato

solid

Punto di fusione

89-91 °C (lit.)

Stringa SMILE

Cc1c(C)c2OC(C)(C)CCc2c(C)c1O

InChI

1S/C14H20O2/c1-8-9(2)13-11(10(3)12(8)15)6-7-14(4,5)16-13/h15H,6-7H2,1-5H3
SEBPXHSZHLFWRL-UHFFFAOYSA-N

Informazioni sul gene

human ... AR(367)

Descrizione generale

2,2,5,7,8-Pentamethyl-6-chromanol has been reported as an vitamin E model compound.[1] It undergoes oxidation in presence of various alcohols, ranging from methanol to cholesterol, affords 5-alkoxymethyl-2,2,7,8-tetramethyl-6-chromanols.[2] Antioxidant moiety of vitamin E, 2,2,5,7,8-pentamethyl-6-chromanol (PMCol), is reported to have antiandrogen activity in prostate carcinoma cells.[3]

Applicazioni

2,2,5,7,8-Pentamethyl-6-chromanol is the suitable reagent used for the quantitative analysis of α-tocopherol by plasma-based gas chromatography/tandem mass spectrometry (GC/MS/MS) using a tabletop quadrupole ion trap mass spectrometer.[1] It may be employed as α-tocopherol model compound and on oxidation by t-butyl hydroperoxide in chloroform, in the presence of alcohol, affords 5-alkoxymethyl-2,2,7,8-tetramethyl-6-chromanol.[4] It may be used as internal standard for the determination of α- and γ-tocopherol in the rabbit serum and liver by HPLC.[5]

Pittogrammi

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Avvertenze

Warning

Indicazioni di pericolo

Classi di pericolo

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves


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Julien Chapelat et al.
Organic letters, 10(22), 5123-5126 (2008-10-22)
A diastereoselective synthesis of alpha-tocopherol 1 (93% de) was achieved via two key steps, (i) a highly diastereoselective Shi epoxidation of a trisubstituted alkene and (ii) an acid supported, "anti-Baldwin" epoxide ring opening under inversion of configuration leading to the
M H Kang et al.
The Journal of nutrition, 129(10), 1885-1890 (1999-09-28)
Plant glucosides possess antioxidative properties due to their ability to scavenge free radicals. Sesame seeds contain a class of these compounds, the sesaminol glucosides. To evaluate their antioxidative activity in vivo, we fed rabbits diets containing 1% cholesterol (Chol) with
Liang Hong et al.
The Journal of organic chemistry, 74(17), 6881-6884 (2009-08-12)
An enantioselective Friedel-Crafts alkylation/cyclization cascade reaction of 1-naphthols and alpha,beta-unsaturated aldehydes promoted by diphenylprolinol ether has been developed. The method affords one-pot access to chiral and synthetically useful chromanes and dihydrobenzopyranes in high yields and enantioselectivities from readily available compounds.
Jolanta Gruszka et al.
Free radical biology & medicine, 45(6), 920-928 (2008-07-19)
Singlet oxygen quenching rate constants for tocopherol and tocotrienol homologues have been determined in organic solvents of different polarities, as well as for other biological prenyllipids such as plastoquinol, ubiquinol, and alpha-tocopherolquinol. The obtained results showed that the quenching activity
Raymond Hreiche et al.
Journal of molecular and cellular cardiology, 47(2), 210-220 (2009-02-24)
Drug-induced QT interval prolongation is a condition likely to be aggravated by diabetes. The objective of this study was to evaluate how glucose concentration may modulate drug effects on ventricular repolarization and on cardiac repolarizing potassium currents. Guinea pig hearts

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