| Product Name | Pyrroloquinoline Quinone |
|---|---|
| CAS Number | 72909-34-3 |
| Molecular Formula | C₁₄H₆N₂O₈ |
| Molecular Weight | 330.21 g/mol |
| Appearance | Red to reddish-brown fine powder |
| Assay (HPLC) | ≥ 98.0% |
| Loss on Drying | ≤ 1.0% |
| Residue on Ignition | ≤ 0.5% |
| Heavy Metals | ≤ 10 ppm |
| Storage | Store in a cool, dry place, protected from light, at 2–8°C (long-term) |
| Solubility | Slightly soluble in water; soluble in DMSO, alkaline solutions |
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Synonyms: Pyrroloquinoline Quinone, PQQ, Methoxatin, 4,5-Dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid, PQQ (Free Acid), Coenzyme PQQ
Pyrroloquinoline Quinone (PQQ) is a naturally occurring redox cofactor and potent antioxidant. It is found in a variety of foods, including fermented soybeans (natto), green peppers, kiwi, and human breast milk, and is recognized as a growth factor for certain bacteria and plants.
Pyrroloquinoline quinone disodium salt
The free acid form (CAS 72909-34-3) is the parent compound of the more water-soluble disodium salt (CAS 122628-50-6). It is suitable for research applications and formulations where the free acid form is preferred.
Source: Synthetic production or microbial fermentation
Standardization: ≥98.0% PQQ (HPLC)
Forms: Red to reddish-brown fine powder
Applications: Research applications, dietary supplements, analytical standards
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