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Caffeic acid

 Last Update: 2022-06-02
 Source: Internet
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Caffeic acid

Caffeicacid

【Structural formula】

[Molecular formula and molecular weight] C ₉ H ₈ O ₄ ; 180.

[Source] Synthesis

[Properties] khaki powder

This product is soluble in hot water, ethanol , and slightly soluble in cold water

Melting point: 216～217℃

[Purity Check] (Operation in the dark)

TLC

Developing solvent butyl acetate - formic acid - water (7:2.

Check under UV light (365nm)

Developing agent 36% acetic acid

Check under UV light (365nm)

High performance liquid chromatography

Chromatographic column C ₁₈ , 5um (4.

The mobile phase methanol - phosphate buffer solution (pH3.

Detection wavelength 323nm

【Structural identification】320,293,234,216

3406, 1637, 1615, 1595, 1445, 1274, 1213, 896, 848, 815, 800

EI-MS m/z: 180[M] ⁺

¹ H-NMR (CD ₃ OD) δ: 7.

¹³ C-NMR (CD ₃ OD) δ: 128.

【Storage】Dry and airtight
.

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Caffeic acid

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