Accéder au contenu
Merck
Toutes les photos(1)

Documents

03940590

(−)-Épicatéchine

primary reference standard

Synonyme(s) :

(−)-cis-3,3′,4′,5,7-Pentahydroxyflavane, (2R,3R)-2-(3,4-Dihydroxyphényl)-3,4-dihydro-1(2H)-benzopyrane-3,5,7-triol

Se connecterpour consulter vos tarifs contractuels et ceux de votre entreprise/organisme
Toutes les photos(1)

About This Item

Formule empirique (notation de Hill):
C15H14O6
Numéro CAS:
490-46-0
Poids moléculaire :
290.27
Numéro Beilstein :
92760
Numéro CE :
207-710-1
Numéro MDL:
MFCD00075648
Code UNSPSC :
85151701
ID de substance PubChem :
329747844
Nomenclature NACRES :
NA.24

Qualité

primary reference standard

Durée de conservation

limited shelf life, expiry date on the label

Fabricant/nom de marque

HWI

Pf

240 °C (dec.) (lit.)

Application(s)

food and beverages

Température de stockage

−20°C

Chaîne SMILES 

O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3

InChI

1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1

Clé InChI

PFTAWBLQPZVEMU-UKRRQHHQSA-N

Vous recherchez des produits similaires ? Visite Guide de comparaison des produits

Catégories apparentées

Description générale

Epicatechin is a potential antioxidant flavonoid, which belongs to the catechin family. It is commonly found in monomeric or/and oligomeric forms in green teas, red wine, cocoa products, and various fruits like grape seeds.
Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

Application

Reference Standard in the analysis of herbal medicinal products

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H315,H319,H335

Conseils de prudence

P261 - P305 + P351 + P338

Classification des risques

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

Organes cibles

Respiratory system

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Choose from one of the most recent versions:

Certificats d'analyse (COA)

Lot/Batch Number
HWI02311-3
HWI02311-2
HWI02311-1
HWI02311
HWI01708-1

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Déjà en possession de ce produit ?

Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Les clients ont également consulté

Slide 1 of 6

1 of 6

(+)-Catechin Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1963

(+)-Catechin

(+)-Catechin United States Pharmacopeia (USP) Reference Standard

USP

1096790

(+)-Catechin

(−)-Epigallocatechin analytical standard

Supelco

08108

(−)-Epigallocatechin

(+)-Catechin hydrate ≥98% (HPLC), powder

Sigma-Aldrich

C1251

(+)-Catechin hydrate

(−)-Catechin ≥97% (HPLC), from green tea

Sigma-Aldrich

C0567

(−)-Catechin

(+)-Catechin phyproof® Reference Substance

PHL89172

(+)-Catechin

Major flavonoids in grape seeds and skins: antioxidant capacity of catechin, epicatechin, and gallic acid
Yilmaz Y and Toledo.TR
Journal of Agricultural and Food Chemistry, 52, 255-260 (2004)
Structures of (?)-epicatechin glucuronide identified from plasma and urine after oral ingestion of (?)-epicatechin: differences between human and rat
Natsume M, et al.
Free Radical Biology & Medicine, 34, 840-849 (2003)
Uptake and metabolism of epicatechin and its access to the brain after oral ingestion
Mohsen EA.MM, et al.
Free Radical Biology & Medicine, 33, 1693-1702 (2002)
Rosario Jiménez et al.
Journal of agricultural and food chemistry, 60(36), 8823-8830 (2012-03-24)
Epidemiological studies indicate an inverse relationship between flavanol intake and the risk of cardiovascular disease. Potential mechanisms include their effects on endothelial function and hypertension. A number of studies have shown that flavanol-rich cocoa reduces blood pressure and endothelial dysfunction
Min-Hsiung Pan et al.
Food & function, 2(2), 101-110 (2011-07-23)
The consumption of green tea has long been associated with a reduced risk of cancer development. (-)-Epicatechin-3-gallate (ECG) or (-)-epigallocatechin-3-gallate (EGCG) are the major antioxidative polyphenolic compounds of green tea. They have been shown to exert growth-inhibitory potential of various
Afficher tous les articles scientifiques apparentés

Notre équipe de scientifiques dispose d'une expérience dans tous les secteurs de la recherche, notamment en sciences de la vie, science des matériaux, synthèse chimique, chromatographie, analyse et dans de nombreux autres domaines..

Contacter notre Service technique