Home Cart Sign in  
Chemical Structure| 122628-50-6 Chemical Structure| 122628-50-6

Structure of 122628-50-6

Chemical Structure| 122628-50-6

*Storage: {[sel_prStorage]}

*Shipping: {[sel_prShipping]}

,{[proInfo.pro_purity]}

Methoxatin Disodium is used as a cofactor (prosthetic group) for enzyme-catalyzed redox reactions of glucose and methanol dehydrogenases.

Synonyms: PQQ disodium salt; Methoxatin disodium salt

4.5 *For Research Use Only !

{[proInfo.pro_purity]}
Cat. No.: {[proInfo.prAm]} Purity: {[proInfo.pro_purity]}

Change View

Size Price VIP Price

US Stock

Global Stock

In Stock
{[ item.pr_size ]} Inquiry {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price, item.vip_usd) ]}

US Stock: ship in 0-1 business day
Global Stock: ship in 5-7 days

  • {[ item.pr_size ]}

In Stock

- +

Please Login or Create an Account to: See VIP prices and availability

US Stock: ship in 0-1 business day
Global Stock: ship in 2 weeks

  • 1-2 Day Shipping
  • High Quality
  • Technical Support
Product Citations

Alternative Products

Product Details of Pyrroloquinoline quinone disodium salt

CAS No. :122628-50-6
Formula : C14H4N2Na2O8
M.W : 374.17
SMILES Code : O=C(C1=NC2=C(C(NC(C(O)=O)=C3)=C3C(C2=O)=O)C(C([O-])=O)=C1)[O-].[Na+].[Na+]
Synonyms :
PQQ disodium salt; Methoxatin disodium salt
MDL No. :MFCD00151711
InChI Key :UFVBOGYDCJNLPM-UHFFFAOYSA-L
Pubchem ID :3078772

Safety of Pyrroloquinoline quinone disodium salt

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Isoform Comparison

Biological Activity

In Vitro:

Cell Line
Concentration Treated Time Description References
HEI-OC1 auditory cells 0.1 nM or 1.0 nM 1 day To investigate the protective effects of PQQ on the H2O2-induced premature senescence model in HEI-OC1 auditory cells and elucidate its mechanism of action. Results showed that PQQ pretreatment restored mitochondrial respiratory capacity, reduced mitochondrial potential decline, promoted mitochondrial fusion, and accelerated mitochondrial movement. Additionally, PQQ pretreatment significantly increased the protein expression of SIRT1 and PGC-1α and decreased PGC-1α acetylation. NPJ Aging. 2022 Apr 19;8(1):3
SH-SY5Y cells 5 µM 12 hours To evaluate the protective effect of PQQ against Aβ1-42-induced neurotoxicity. Results showed PQQ effectively reduced ROS production. Adv Sci (Weinh). 2024 May;11(18):e2308970
L6 myotubes 0.5 µM 2 hours To evaluate the effect of PQQ on lipid metabolism in insulin-resistant L6 myotubes, showing that short-term PQQ treatment decreased free fatty acids and triacylglycerols levels. Int J Mol Sci. 2020 Nov 8;21(21):8382
Retinal cells 50 µM 2 hours To assess the effect of PQQ on ATP content, results showed an increase in ATP levels Acta Neuropathol Commun. 2023 Sep 8;11(1):146
Mouse brain cortical cells 0.1, 0.5, 1, 5, 10, 50 µM 2 hours To assess the effect of PQQ on ATP content, results showed a significant increase in ATP levels Acta Neuropathol Commun. 2023 Sep 8;11(1):146
Kupffer cells 10, 50 and 100 nM 2 hours Simulated sepsis-induced acute liver injury, PQQ treatment alleviated inflammation, oxidative stress and apoptosis in LPS-induced Kupffer cells Bioengineered. 2021 Dec;12(1):2459-2468
BV2 microglia cells 0.1, 1, 10 µM 2 hours pretreatment followed by 12 hours incubation PQQ pretreatment significantly decreased rotenone-induced lactate dehydrogenase (LDH) release and suppressed the up-regulation of pro-inflammatory factors (IL-1β, IL-6, TNF-α) and NO release. Additionally, PQQ pretreatment increased the ratio of LC3-II/LC3-I and expression of Atg5, indicating enhanced autophagy. Molecules. 2020 Sep 23;25(19):4359
L6 myotubes 0.5 µM 24 hours To evaluate the effect of PQQ on lipid metabolism in insulin-resistant L6 myotubes, showing that long-term PQQ treatment increased diacylglycerols and triacylglycerols levels. Int J Mol Sci. 2020 Nov 8;21(21):8382
SH-SY5Y cells 0.1, 1, 10 µM 24 hours The conditioned medium (CM) from PQQ-pretreated BV2 cells significantly increased the viability of SH-SY5Y cells, indicating that PQQ protects neuronal cells from damage by inhibiting microglia-mediated inflammatory responses. Molecules. 2020 Sep 23;25(19):4359
TM3 cells 100 nM 24 hours To investigate the effect of PQQ on testosterone synthesis and cholesterol metabolism in PA-treated TM3 cells. Results showed that PQQ significantly increased intracellular cholesterol levels and testosterone synthesis, while reducing LDH release and PI uptake. Cell Death Dis. 2023 Nov 7;14(11):723
KGN cells 20 µM 24 hours To evaluate the effects of PQQ and MSC-Mito on mitochondrial function and oxidative stress in KGN cells. The results showed that the combined treatment significantly restored mitochondrial membrane potential and ATP production, reduced ROS and MDA levels, and increased SOD content. Stem Cell Res Ther. 2024 Apr 5;15(1):97
Primary chicken hepatocytes 50, 100, 200 nM 24 hours Improves lipid metabolism and hepatocyte tolerance to fatty degeneration and oxidative damage by enhancing mitochondrial biogenesis, thereby increasing anti-oxidative activity and anti-apoptosis capacity Int J Mol Sci. 2021 Feb 1;22(3):1458
Human BM-MSCs 1, 5, 10, 20 µM 24 hours To detect the effect of PQQ on the expression of Nrf2 and Keap1 Aging Cell. 2023 Sep;22(9):e13912
Primary cardiomyocytes 100 µM 24 hours Evaluate the effect of PQQ on PE-induced cardiomyocyte hypertrophy, results showed PQQ significantly alleviated PE-induced hypertrophic activity Front Pharmacol. 2022 Sep 27;13:977385
H9C2 cardiomyocytes 1-200 µM 24 hours Evaluate the effect of PQQ on cell viability, results showed no cytotoxicity at 1-200 μM PQQ concentrations Front Pharmacol. 2022 Sep 27;13:977385
HL-1 cardiomyocytes 1-200 µM 24 hours Evaluate the effect of PQQ on cell viability, results showed no cytotoxicity at 1-200 μM PQQ concentrations Front Pharmacol. 2022 Sep 27;13:977385
MLE-12 alveolar type II epithelial cells 40 µM 24 hours To assess the effect of PQQ on PM2.5-induced cell migration capacity. Results showed that PQQ significantly attenuated the enhanced migratory ability induced by PM2.5. J Cell Mol Med. 2024 Apr;28(8):e18299
MLE-12 alveolar type II epithelial cells 40 µM 24 hours To investigate the inhibitory effect of PQQ on PM2.5-induced epithelial-mesenchymal transition (EMT). Results showed that PQQ reversed PM2.5-induced changes in cell morphology and reduced the expression of mesenchymal markers Vimentin and Snail. J Cell Mol Med. 2024 Apr;28(8):e18299
MLE-12 alveolar type II epithelial cells 10, 20, 40 µM 24 hours To evaluate the inhibitory effect of PQQ on PM2.5-induced upregulation of collagen expression. Results showed that PQQ significantly reduced COL1A1 protein expression in a dose- and time-dependent manner. J Cell Mol Med. 2024 Apr;28(8):e18299
AC16 human myocardial cells 1 and 10 nM 24 hours To investigate the protective effects of PQQ on AC16 cells under high glucose conditions. Results showed that 10 nmol/L PQQ significantly reduced high glucose-induced cell damage, inhibited NLRP3 inflammasome activation and NF-κB signaling pathway, decreased ROS production, and improved mitochondrial membrane potential. Eur J Nutr. 2022 Jun;61(4):1823-1836
16-HBE cells 5-80 µM 24 or 48 hours To examine the cytotoxicity of PQQ, results showed that PQQ reduced 16-HBE cell viability in a dose-dependent manner, but cell viability remained above 70% at 5-80 μM. Mediators Inflamm. 2022 Oct 29;2022:1267841
H9c2 cells 1, 2.5, 5 µM 3 hours pretreatment followed by 24 hours exposure to Iso To investigate the protective effects of PQQ against Iso-induced cardiac hypertrophy. Results showed that PQQ pretreatment significantly reduced Iso-induced cardiac hypertrophy, consistent with the results in AC16 cells. Int J Mol Med. 2020 Mar;45(3):873-885
AC16 cells 1, 2.5, 5 µM 3 hours pretreatment followed by 24 hours exposure to Iso To investigate the protective effects of PQQ against Iso-induced cardiac hypertrophy. Results showed that PQQ pretreatment significantly inhibited the expression of cardiac hypertrophy marker proteins, such as atrial natriuretic peptide, brain natriuretic peptide and β-myosin heavy chain, and inhibited the activation of the NF-κB signaling pathway. Int J Mol Med. 2020 Mar;45(3):873-885
SH-SY5Y cells 100 µM 30 minutes To investigate the protective effects of PQQ on rotenone-injured SH-SY5Y cells and its mechanisms. Results showed that PQQ promoted mitochondrial biogenesis via activation of the AMPK signaling pathway and alleviated rotenone-induced cell injury. Acta Pharmacol Sin. 2021 May;42(5):665-678
Mouse brain microvascular endothelial bEND.3 cells 1, 10, 100 µM 48 or 72 hours To investigate the protective effect of PQQ on high glucose-induced damage in bEND.3 cells. Results showed that PQQ significantly reversed high glucose-induced cell viability reduction, suppressed apoptosis and ROS production, and restored mitochondrial membrane potential and number. Acta Pharmacol Sin. 2014 Nov;35(11):1402-10
CD4+ T cells 20-80 µM 5 days To test the effect of PQQ on Th2 cell differentiation, results showed that PQQ significantly inhibited IL-4 and IL-5 production in a dose-dependent manner. Mediators Inflamm. 2022 Oct 29;2022:1267841
IPEC-J2 cells 10 nM 6-hours pretreatment followed by 2-hours co-culture To evaluate the protective effect of PQQ against H2O2-induced oxidative damage. Results showed that PQQ pretreatment significantly improved cell viability, increased the expression of tight junction proteins (ZO-1, ZO-2, Occludin, Claudin-1), reduced ROS and MDA levels, and upregulated nuclear Nrf2 and HO-1 protein expression. J Anim Sci Biotechnol. 2021 Jun 18;12(1):77
Ram sperm 0 nM, 10 nM, 100 nM, 1000 nM, 10,000 nM 96 hours To evaluate the effect of PQQ on chilled ram sperm quality, results showed that PQQ significantly improved sperm motility, membrane integrity, and acrosome integrity. Antioxidants (Basel). 2024 Jan 15;13(1):104
Boar sperm 1000 nM After freezing-thoursawing Improved post-thaw sperm motility, viability, and acrosome integrity, reduced oxidative stress, and protected mitochondrial function. Antioxidants (Basel). 2025 Jan 16;14(1):102

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Laying hens High-energy low-protein diet-induced metabolic dysfunction-associated fatty liver disease model Dietary supplementation 0.08 and 0.16 mg/kg diet Continued for 4 weeks Significantly ameliorated liver biological functions, suppressed the progression of MAFLD mainly through enhanced lipid metabolism and protection of liver from oxidative injury Int J Mol Sci. 2021 Feb 1;22(3):1458
Duroc × Landrace × Yorkshire crossbred pigs Weaned piglet model Oral (dietary supplementation) 0.15%, 0.30%, 0.45% PQQ·Na2 28 days To investigate the effects of PQQ on growth performance, diarrhea incidence, and redox status in weaned pigs. Results showed that 0.45% PQQ significantly improved average daily gain (ADG) and gain-to-feed ratio (G:F), reduced diarrhea incidence and MDA content in liver and jejunum, and increased SOD activity in liver. 0.3% PQQ decreased ileal and liver MDA concentration, and 0.15% PQQ decreased ileal MDA concentration. J Anim Sci Biotechnol. 2021 Jun 18;12(1):77
Laying hens Laying hens performance model Dietary supplementation 0.4 mg/kg 8 weeks Increased the antioxidant ability of layers and eggs which might be in connection with the activation of the Nrf2/HO-1 pathway and optimized gut microflora Food Chem X. 2023 Nov 30;20:101021
ICR mice Rotenone-induced Parkinson’s disease model Intraperitoneal injection 0.8, 4, 20 mg/kg/day Once daily for 3 weeks To investigate the neuroprotective effects of PQQ in a rotenone-induced Parkinson’s disease mouse model. Results showed that PQQ dose-dependently alleviated locomotor deficits and nigral dopaminergic neuron loss, and promoted mitochondrial biogenesis. Acta Pharmacol Sin. 2021 May;42(5):665-678
SD rats Sepsis model Intraperitoneal injection 10 mg/kg Administered 1 hour before surgery and continuously for 2 weeks post-surgery PQQ treatment alleviated acute liver injury, inflammatory and oxidative stress damage and apoptosis of liver tissue cells in sepsis rats Bioengineered. 2021 Dec;12(1):2459-2468
Balb/c mice OVA-induced allergic airway inflammation model Intraperitoneal injection 10 mg/kg or 20 mg/kg Once daily for 11 days To examine the effect of PQQ on allergic airway inflammation, results showed that PQQ significantly attenuated airway inflammation, reduced BALF inflammatory cell counts, altered the percentages of Th1, Th2, Th17, and Treg cells, and regulated the JAK-STAT signaling pathway. Mediators Inflamm. 2022 Oct 29;2022:1267841
C57BL/6J mice High-fat diet-induced obese mouse model Intragastric administration 10 mg/kg/day Once daily for 8 weeks To investigate the effect of PQQ on lipid metabolism and testosterone synthesis in obese mice. Results showed that PQQ significantly improved abnormal lipid metabolism, increased testosterone levels, and improved testicular structure and sperm quality. Cell Death Dis. 2023 Nov 7;14(11):723
C57BL/6 mice Diabetic cardiomyopathy model Oral 10, 20, or 40 mg/kg/day Daily administration for 12 weeks To investigate the protective effects of PQQ on diabetic cardiomyopathy. Results showed that PQQ significantly alleviated myocardial hypertrophy and fibrosis, enhanced antioxidant function, reduced inflammatory cytokine levels, and inhibited the NF-κB/NLRP3 inflammasome-mediated pyroptosis signaling pathway. Eur J Nutr. 2022 Jun;61(4):1823-1836
C57BL/6J mice Chemotherapy-induced premature ovarian insufficiency model Oral 15 mg/kg PQQ Once daily for three weeks To evaluate the therapeutic effects of PQQ and MSC-Mito on ovarian function in POI mice. The results showed that the combined treatment significantly restored body weight, ovarian volume and relative weight, improved the estrous cycle, increased the number of follicles at various stages, reduced atretic follicles, and restored sex hormone secretion and antioxidant capacity. Stem Cell Res Ther. 2024 Apr 5;15(1):97
Mice Retinal axotomy explant model and Rotenone-induced retinal degeneration model Intraperitoneal injection 20 mg/kg Single injection or every 48 hours for 2 weeks To evaluate the neuroprotective effect of PQQ on retinal ganglion cells, results showed PQQ was neuroprotective in both models Acta Neuropathol Commun. 2023 Sep 8;11(1):146
C57/BL6 mice Aβ1-42-induced Alzheimer's disease mouse model Intragastric administration 20 mg/kg Once daily for 14 days To evaluate the effect of PQQ on cognitive dysfunction. Results showed PQQ significantly improved short-term memory and spatial learning in AD mice. Adv Sci (Weinh). 2024 May;11(18):e2308970
Sprague-Dawley rats Oral toxicokinetic study Oral 250 mg/kg, 500 mg/kg, 1000 mg/kg Single dose and 28-day repeated administration Study the toxicokinetic properties and safety evaluation of PQQ disodium salt Molecules. 2022 Nov 17;27(22):7947
Duroc × Landrace × Yorkshire crossbred piglets Enterotoxigenic Escherichia coli K88 infection model Dietary supplementation 3 mg/kg 14 days To evaluate the effect of PQQ on gut inflammation and microbiota dysbiosis induced by ETEC K88. Results showed that PQQ supplementation significantly alleviated ETEC K88-induced jejunal mucosal barrier function damage and regulated colonic microbiota. Front Microbiol. 2020 Jul 24;11:1754
Weaned piglets LPS-induced intestinal inflammation model Oral 3.0 mg/kg 14 days Alleviated intestinal inflammation and cell apoptosis, improved intestinal barrier function via the MKK3/6-P38 pathway Int J Mol Sci. 2024 Sep 8;25(17):9723
Pigs Weaned piglets Dietary supplementation 3.0 mg/kg 28 days To compare the effects of pyrroloquinoline quinone (PQQ) and zinc oxide (ZnO) on growth performance, diarrhea indices, nutrient digestibility, antioxidant capacity, neurotransmitter levels, and metabolism in weaned pigs. Results showed that both PQQ and ZnO improved growth performance, nutrient digestibility, antioxidant capacity, and regulated neurotransmitter levels in weaned pigs. Anim Nutr. 2023 Oct 4;15:409-419
C57BL/6 mice Ovariectomy (OVX)-induced osteoporosis model Dietary supplementation 4 mg/kg Daily for 8 weeks To evaluate the protective effect of PQQ on ovariectomy-induced osteoporosis. Results showed that PQQ supplementation could prevent OVX-induced bone loss and improve bone strength by inhibiting oxidative stress and osteocyte senescence. Int J Biol Sci. 2019 Jan 1;15(1):58-68
Mice Natural aging-induced osteoporosis model Dietary supplementation 4 mg/kg diet Starting from 6 or 12 months of age, lasting for 12 or 6 months To evaluate the preventive effect of PQQ supplementation on natural aging-induced osteoporosis Aging Cell. 2023 Sep;22(9):e13912
C57BL/6 male mice Iso-induced cardiac hypertrophy model Intraperitoneal injection 40 mg/kg Once every 4 days for approximately 5 weeks To investigate the protective effects of PQQ against Iso-induced cardiac hypertrophy. Results showed that PQQ pretreatment significantly reduced the increase in myocardial cell surface area induced by Iso and decreased the heart weight/body weight ratio. Int J Mol Med. 2020 Mar;45(3):873-885
C57BL/6 mice Transverse aortic constriction (TAC)-induced myocardial hypertrophy model Gavage 40 mg/kg Every other day for 6 weeks Evaluate the effect of PQQ on TAC-induced myocardial hypertrophy and fibrosis, results showed PQQ significantly suppressed myocardial hypertrophy and fibrosis, and inhibited ferroptotic death of hypertrophic myocardial cells Front Pharmacol. 2022 Sep 27;13:977385
C57BL/6J mice PM2.5-induced pulmonary fibrosis model Intraperitoneal injection 5 mg/kg Twice a week for 12 weeks To evaluate the protective effect of PQQ against PM2.5-induced pulmonary fibrosis. Results showed that PQQ significantly reduced collagen deposition, improved pulmonary function, and decreased the expression of EMT markers COL1A1, Vimentin, Snail, and TGF-β. J Cell Mol Med. 2024 Apr;28(8):e18299

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

2.67mL

0.53mL

0.27mL

13.36mL

2.67mL

1.34mL

26.73mL

5.35mL

2.67mL

Dissolving Methods
The prepared working fluid is recommended to be prepared now and used up as soon as possible in a short period of time. The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound.
Protocol 1

References

 

Historical Records

Categories