(±)-Catechin is an antioxidant flavonoid.

(±)-Catechin-[13C3], is the labelled analogue of Catechin. Catechin is a flavan-3-ol, a type of natural phenol and antioxidant.

(±)-Catechin-2,3,4-[13C3] gallate is intended for use as an internal standard for Epicatechin gallate. Epicatechin gallate (Epicatechin gallate) inhibits cyclooxygenase-1 (COX-1).

(±)-Catechin (rel-Cianidanol) is the racemate of Catechin. (±)-Catechin has two steric forms of (+)-Catechin and its enantiomer (-)-Catechin. (+)-Catechin inhibits cyclooxygenase-1 (COX-1) with an IC50 of 1.4 μM. Anticancer, anti-obesity, antidiabetic, anticardiovascular, anti-infectious, hepatoprotective, and neuroprotective effects.