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Merck

D7783

Sigma-Aldrich

Pyrroloquinoline quinone

≥95.0% (HPLC)

Sinónimos:

4,5-Dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid, Methoxatin, PQQ

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About This Item

Fórmula empírica (notación de Hill):
C14H6N2O8
Número de CAS:
Peso molecular:
330.21
Beilstein/REAXYS Number:
3596812
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.79

biological source

synthetic

Quality Level

assay

≥95.0% (HPLC)

form

powder

technique(s)

HPLC: suitable

color

red to deep red

storage temp.

2-8°C

SMILES string

OC(=O)c1cc(C(O)=O)c-2c(n1)C(=O)C(=O)c3cc([nH]c-23)C(O)=O

InChI

1S/C14H6N2O8/c17-10-4-2-6(14(23)24)15-8(4)7-3(12(19)20)1-5(13(21)22)16-9(7)11(10)18/h1-2,15H,(H,19,20)(H,21,22)(H,23,24)

InChI key

MMXZSJMASHPLLR-UHFFFAOYSA-N

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General description

Pyrroloquinoline Quinone (PQQ), also referred as methoxatin, is a water soluble orthoquinone molecule with redox-cycling ability.
Novel o-quinone coenzyme found in bacterial dehydrogenases and oxidases.

Application

Pyrroloquinoline quinone has been used:
  • as a component of nanocurcumin formulation (NCF), to study its therapeutic effect on ameliorate hypoxia-induced stress in hypertrophied cardiomyocytes
  • as a standard in fluorescence analysis
  • to test its efficiency in suppressing restrained oxidative stress and hepatic fibrogenesis in mouse models

Biochem/physiol Actions

Pyrroloquinoline Quinone (PQQ) plays a vital role in gluconic acid production and biosynthesis by microbes. It acts as an effective microbial growth stimulant and biological control determinant for plant pathogens. PQQ also acts as an anti-melanogenic agent and is used to treat disorders related to hyper pigmentation. It exhibits diverse role in metabolism and cell signaling pathways. PQQ is used as a potential therapeutic to treat liver fibrosis.
PQQ is present in nanomolar quantities in most foods and in most animal tissuse. It promotes growth, mitochondrial function, and development in vivo and stimulates cell proliferation and viability in culture. It is a potent antioxidant that scavenges superoxide and peroxinitrite. It is neuroprotectant against 6-hydroxydopamine-induced and hypoxia/ischemia-induced neurotoxicity. PQQ conjugates to α-synuclein in vitro, inhibiting the formation of amyloid fibrils.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificados de análisis (COA)

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Visite la Librería de documentos

The life history of pyrroloquinoline quinone (PQQ): a versatile molecule with novel impacts on living systems
Naveed M, et al.
Molecular Biology, 1(10), 29-46 (2016)
Crystal structure of PqqB from Pseudomonas putida at 2.2
Metlitzky M, et al.
Journal of biophysical chemistry, 3(02), 206-206 (2012)
Nanocurcumin--pyrroloquinoline formulation prevents hypertrophy--induced pathological damage by relieving mitochondrial stress in cardiomyocytes under hypoxic conditions
Nehra S, et al.
Experimental & Molecular Medicine, 49(12), e404-e404 (2017)
E A Decker
Nutrition reviews, 53(3), 49-58 (1995-03-01)
Oxidative reactions have been implicated in the development of numerous diseases including atherosclerosis and cancer. Oxidation of lipids, proteins, and nucleic acids can result in loss of membrane integrity and function, inactivation of enzymes, modification of lipoproteins, and chemical alteration
C Anthony
Antioxidants & redox signaling, 3(5), 757-774 (2002-01-05)
This review summarises the characteristics, identification, and measurement of pyrroloquinoline quinone, the prosthetic group of bacterial quinoprotein dehydrogenases whose structures, mechanisms, and electron transport functions are described in detail. Type I alcohol dehydrogenase includes the "classic" methanol dehydrogenase; its x-ray

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