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Isorhamnetin-3-O-Neohesperidin

 Last Update: 2022-06-01
 Source: Internet
 Author: User

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mm 3 8

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Isorhamnetin-3-O-Neohesperidin

Isorhamnefin-3-O-neohesperidoside

【Structural formula】

[Molecular formula and molecular weight] C ₂₈ H ₃₂ O ₁₆ ; 624.

[Source] Pollen of Typha orientalis Presl, a plant of the Typha family

【Properties】Yellow powder

This product is easily soluble in methanol

Melting point: 178～180℃

【Purity Check】

TLC

Developing solvent ethyl acetate - butanone - formic acid - water (5:3:1: 1)

The inspections are respectively inspected under UV 254nm, 365nm, and visible light

Developing solvent ethyl acetate - formic acid - water (8:1: 1)

The inspections are respectively inspected under UV 254nm, 365nm, and visible light

High performance liquid chromatography

Chromatographic column AgilentSB C ₁₈ , 10um (4.

Mobile phase acetonitrile - water (13:87), 1ml / min

Detection wavelength 254nm

【Structural identification】254,354

3416(-OH), 1659(C=O), 1609, 1506

ESI-MS m/z: 625[M ⁺ H] ⁺

¹ H-NMR (CD ₃ OD) δ: 7.

¹³ C-NMR (CD ₃ OD) δ: 158.

【Storage】Dry and airtight

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