Quercetin CAS NO.117-39-5

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【Chemical Name】Quercetin

【Molecular Formula】 C15H10O7

【Formula Weight】302.24

【CAS No】117-39-5

【Detection method】HPLC ≥ 98%

【Specifications】20mg  50mg  100mg  500mg  1g   (According to customer demand for packaging)

【shape】yellow crystalline powder

【Extraction of sources】     

 This product is the dry buds.of leguminous plant Sophora (Sophora flavescens Ait.) .【Pharmacological properties】

The melting point of 314-317 ° C become anhydrous at 95-97 ° C, in the 3140C (decomposition). 1g is dissolved in 290ml boiling ethanol, soluble in glacial acetic acid, alkaline aqueous solution was yellow, almost not in the water, the water soluble <0.1 g/100 mL at 21 ° C. Ethanol solution is bitter to taste.

【Chromatographic conditions】

the mobile phase; methanol: 0.4% phosphoric acid solution (60:40) detection wavelength: 355nm (for reference only)

【Storage method】 2-8 ° C, avoid light preservation

【Attentions】

This product should be stored at low temperature, long time when exposed to air, the content will be reduced.