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80198 Sigma-Aldrich

Methoxatin disodium salt

≥97.0% (HPLC)

Synonym: PQQ, Pyrrolo-quinoline-quinone disodium salt

  • CAS Number 122628-50-6

  • Empirical Formula (Hill Notation) C14H4N2Na2O8

  • Molecular Weight 374.17

  •  MDL number MFCD00151711

  •  PubChem Substance ID 329768729

  •  NACRES NA.79

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Properties

Related Categories Biochemicals and Reagents, Cofactors, Enzymes, Inhibitors, and Substrates, Oxidation-Reduction
biological source   fermentation/recombinant
InChI Key   UFVBOGYDCJNLPM-UHFFFAOYSA-L
assay   ≥97.0% (HPLC)
form   powder
color   red-brown to deep orange
  red-brown to deep red-brown
storage temp.   2-8°C

Description

General description

Methoxatin/pyrroloquinoline quinone (PQQ) is mostly seen in plants, few bacteria and single cell eukaryotes, like yeast. It is mainly obtained from methylotrophic bacteria. PQQ may also present in the tissues of mammals.

Biochem/physiol Actions

In bacteria, pyrroloquinoline quinone (PQQ) is used as a redox cycling cofactor. It acts as a cofactor (prosthetic group) for enzyme-catalyzed redox reactions of glucose and methanol dehydrogenase(s). PQQ is used in liposomes to establish a simple homogeneous assay for the detection of membrane permeabilization by antimicrobial peptides and synthetic copolymers. In bovine plasma amine oxidase, methoxatin may acts as the cofactor.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
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What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What solvents can be used to reconstitute Product 80198, Methoxatin?
Product 80198, Methoxatin disodium salt is soluble in water up to 3 mg/ml. The following reference by Zimmerman, L.B. et al., Analytical Biochemistry, 411 (2), 194-199 (2011) has solubilized the product in 250 μM in HEPES buffer (20 mM, pH 7.0, 290 mOsmol/kg).
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Protocols & Articles
Peer-Reviewed Papers
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References

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