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Vanillin is a phenolic aldehyde, which is an organic compound with the molecular formula C8H8O3. Its functional groups include aldehyde, hydroxyl, and ether. It is the primary component of the extract of the vanilla bean
V 1247 (OTTO) Vaniline, GR 99%+ Cas 121-33-5 - used as a general-purpose stain for developing thin layer chromatography plates to aid in visualizing components of a reaction mixture.