Product Name: PYRROLOQUINOLINE QUINONE DISODIUM SALT Other Name: PQQ Molecular Formula: C14H4N2Na2O8 Molecular Weight: 374.17 Appearance: Reddish brown powder Purity: 99% CAS Number: 122628-50-6 Standard: USP Standard Supplier: ZhenYiBio Description: Pyrroloquinoline quinone disodium salt is the disodium salt of Pyrroloquinoline quinone, its function is same as Pyrroloquinoline quinone. In a 2009 study published in the medical journal Food Style, Pyrroloquinoline Quinone has been shown to have the ability to help protect. It be used to protect cognitive decline (memory loss, learning difficulty, etc.) due to age, stroke or neurodegenerative disorders, and protection from cardiac and neurological ischemic events. Similar results were reported in a 2011 follow-up study in which Pyrroloquinoline Quinone was also given directly as a dietary supplement, such as milk-based meal replacement beverages.