SHEET /m/pyrroloquinoline-quinone · PubChem CID 1024 · CAS 72909-34-3 · REV 2026.07

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Pyrroloquinoline quinone

from source

C14H6N2O8 · 330.21 g/mol

coenzyme PQQ · methoxatin · Pqq coenzyme · Pqq cofactor

What is Pyrroloquinoline quinone?

PQQ, a bacterial cofactor found in trace amounts in fermented soy and human milk, sold as a mitochondrial supplement. from source

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Fig. 1 · 2D structure RDKit

SMILESC1=C(C2=C(C(=O)C(=O)C3=C2NC(=C3)C(=O)O)N=C1C(=O)O)C(=O)O

WarningIrritantH302, H315, H319, H335from source