epicatechin CAS No.35323-91-2 / Cat No.EBD2224403
(-)-epicatechin
epicatechin
(+)-epicatechin from green tea
(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
(2S,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
(-)-Epicatechin
Properties
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Appearance:
White Powder
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Density:
1.593 g/cm3
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Melting point:
240 °C (dec.)(lit.)
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Boiling point:
630.4 °C at 760 mmHg
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Flashing point:
335 °C
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Storage temperature:
2-8°C
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Vapour pressure:
9.29E-17mmHg at 25°C
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Solubility:
Clear colorless solution at 50Mg/Ml in water
NMR Spectrum
Prediction： Hi-NMR (D6-DMSO, 300 MHz): delta (ppm) 9.11 (s, 1H), 8.90 (s, 1H), 8.81 (s, 1H), 8.72 (s, 1H), 6.88 (s, 1H), 6.65 (s, 2H), 5.89 (d, 1H, J = 2.1 Hz), 5.70 (d, 1H, J = 2.4 Hz), 4.72 (s, 1H), 4.66 (d, 1H, J = 4.5 Hz), 3.98 (m, 1H), 2.63 -2.71 (dd, 1H, J = 4.2, 16.2) 2.44-2.49 (dd, 1H, J = 3.3,15.6).
1H NMR
13C NMR
