74873

(−)-Epicatechin

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
• Empirical Formula (Hill Notation): C₁₅H₁₄O₆
• CAS Number: 490-46-0
• Molecular Weight: 290.27
• Beilstein: 92760
• MDL number: MFCD00075648
• UNSPSC Code: 41116107

Properties

• grade: certified reference material; TraceCERT^®
• Quality Level: 300
• product line: 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
• 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

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: 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 Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable