Cinchotannic acid

Cinchotannic acid
Identifiers
Properties
Chemical formula	C28H19O17 (?)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	(what is ?)
	Infobox references

Cinchotannic acid is a tannin contained in many cinchona barks, which by oxidation rapidly yields a dark-coloured phlobaphene^[1] called red cinchonic,^[2] cinchono-fulvic acid or cinchona red.^[3]

References[]

This article about an aromatic compound is a stub. You can help Wikipedia by .

[1] Cinchona Bark (Cortex Cinchonae). Part 3

[2] Cinchonaceae on chestofbooks.com

[3] Quinine on www.1902encyclopedia.com

[1]

[2]

[3]

Identifiers
Properties
Chemical formula	C₂₈H₁₉O₁₇ (?)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y (what is ^YN ?)
Infobox references