(+)-Dihydrorobinetin is reported as a chemical marker of vinegars aged in acacia wood and can be used for authenticity purposes.

4382-33-6

C15H12O7

304.25

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years