Is 4,4-bis(4-Hydroxyphenyl)valeric acid vegan?

Diphenolic Acid is also known as 4,4-bis(4-Hydroxyphenyl)valeric acid.

Diphenolic acid is a synthetic carboxylic acid prepared by the condensation of phenol with levulinic acid in the presence of hydrochloric acid, used in industrial and polymer applications.

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