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
• Beilstein: 92760
• EG-Nummer: 207-710-1
• MDL-Nummer: MFCD00075648
• UNSPSC-Code: 85151701
• PubChem Substanz-ID: 329760739
• NACRES: NA.24

Eigenschaften

• Qualität: analytical standard
• Qualitätsniveau: 100
• Assay: ≥97.0% (HPLC)
• Haltbarkeit: limited shelf life, expiry date on the label
• Methode(n): HPLC: suitable; gas chromatography (GC): suitable
• mp (Schmelzpunkt): 240 °C (dec.) (lit.)
• Anwendung(en): food and beverages
• Format: neat
• Versandbedingung: wet ice
• Lagertemp.: 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
• InChIKey: PFTAWBLQPZVEMU-UKRRQHHQSA-N

Beschreibung

Allgemeine Beschreibung

(−)-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.

Anwendung

(−)-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.

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable