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74873

(−)-Epicatechin

Name: (−)-Epicatechin
Brand: SUPELCO

certified reference material, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):

C₁₅H₁₄O₆

CAS Number:

490-46-0

Molecular Weight:

290.27

UNSPSC Code:

41116107

Beilstein/REAXYS Number:

92760

MDL number:

MFCD00075648

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Properties

Quality Level

300

product line

TraceCERT^®

grade

certified reference material, TraceCERT^®

shelf life

expiry date on the label, limited shelf life

manufacturer/tradename

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

mp

240 °C (dec.) (lit.)

application(s)

food and beverages

format

neat

storage temp.

2-8°C

SMILES string

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

InChI key

PFTAWBLQPZVEMU-UKRRQHHQSA-N

Description

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com

Legal Information

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

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pictograms

GHS07

signalword

Warning

hcodes

H315,H319,H335

pcodes

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c