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(−)-Epicatechin

SIAL/68097 - analytical standard

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

CAS Number: 490-46-0
Empirical Formula (Hill Notation): C15H14O6
Molecular Weight: 290.27
EC Number: 207-710-1
MDL Number: MFCD00075648
Linear Formula: C15H14O6
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-68097-10MG 10 mg
$467.00
1/EA
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application(s) food and beverages
assay ≥97.0% (HPLC)
format neat
grade analytical standard
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
mp 240 °C (dec.) (lit.)
Quality Level 100 
shelf life limited shelf life, expiry date on the label
shipped in wet ice
SMILES string O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3
storage temp. 2-8°C
technique(s) gas chromatography (GC): suitable
  HPLC: suitable
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.
Application: Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
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.
Packaging: Bottomless glass bottle. Contents are inside inserted fused cone.
Purity ≥97.0% (HPLC)
mp 240 °C (dec.) (lit.)
Storage Temp. 2-8°C
UNSPSC 85151701

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