PQQ（ Pyrroloquinoline quinone），is a new cofactor, which is the third cofactor found in membrane bound bacterial dehydrogenase after flavin nucleotide (FMN, FAD) and nicotinamide nucleotide (MAD, NADP). It is called the 14th vitamin in the world medical community.

【Chemical Name】：disodium 9-carboxy-4,5-dioxo1H-pyrrolo[5,4-f]quinoline-2,7-dicarboxylate

【CAS No.】：122-628-50-6
【Name】: Pyrroloquinoline quinone disodium salt
【Molecular Formula】: C₁₄H₄N₂Na₂O₈

【Specification】: 99% HPLC
【Package】: 0.5Kg, 1Kg/bag

【Maximum levels】：Beverages (40mg/kg, solid drinks are converted according to the liquid quality after preparation)

【Function】：1.Improve human immune function.
                         2.Prevention and treatment of liver injury.
                         3.Reduce free radical damage.
                         4.Anticancer.