Homogentisic acid is a dihydroxyphenylacetic acid with hydroxyls at the 2 and 5 positions of the phenyl ring.. References: Selvakumar D, Sian K, Sugito S, Singh T. Ochronosis of the aortic valve. J Thorac Dis. 2018 May;10(5):E332-E334. doi: 10.21037/jtd.2018.05.16. PubMed PMID: 29997987; PubMed Central PMCID: PMC6006137.

纯度：≥98%

CAS：451-13-8