68097

(−)-Epicatechin

analytical standard

• Synonym(e): (−)-cis-3,3′,4′,5,7-Pentahydroxyflavan, (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
• Empirische Formel (Hill-System): C₁₅H₁₄O₆
• CAS-Nummer: 490-46-0
• Molekulargewicht: 290.27
• UNSPSC Code: 85151701
• NACRES: NA.24
• PubChem Substance ID: 329760739
• EC Number: 207-710-1
• Beilstein/REAXYS Number: 92760
• MDL number: MFCD00075648

Eigenschaften

• grade: analytical standard
• Quality Segment: 100
• assay: ≥97.0% (HPLC)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable, chromatography: suitable, gas chromatography (GC): suitable
• mp: 240 °C (dec.) (lit.)
• application(s): food and beverages
• format: neat
• shipped in: wet ice
• 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

Beschreibung

General description

(−)-Epicatechin is a monomeric catechin and a polyphenolic component, belonging to the class of flavan-3-ols. It is majorly found in apples, apple products and green tea.

Application

(−)-Epicatechin may be used as an analytical reference standard for the quantification of the analyte in green tea using high-performance liquid chromatography technique.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• Gefahrencodes: H315,H319,H335
• Sicherheitshinweise: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklasse: 11 - Combustible Solids
• Was ist los?: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable