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Pyrroloquinoline quinone disodium salt

Product Name
Pyrroloquinoline quinone disodium salt
CAS No.
122628-50-6
Chemical Name
Pyrroloquinoline quinone disodium salt
Synonyms
PQQ;PQQ Disodium Salt;pyrroloquinoline quineone;METHOXATIN DISODIUM SALT;disodium pyrroloquinolinedione tricarboxylate;PYRROLOQUINOLINE QUINONE DISODIUM SALTPYRROLOQUINOLINE QUINONE DISODIUM SALT;disodium4,5-dihydro-4,5-dioxo-1h-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylat;PQQ-2Na;PQQ disodium;MedChemExpress
CBNumber
CB3728738
Molecular Formula
C14H4N2Na2O8
Formula Weight
374.17
MOL File
122628-50-6.mol
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Pyrroloquinoline quinone disodium salt Property

storage temp. 
2-8°C
form 
Solid
color 
Pink to red
biological source
fermentation/recombinant
Water Solubility 
Water : 6.16 mg/mL (16.46 mM)
Cosmetics Ingredients Functions
ANTIOXIDANT
InChI
InChI=1S/C14H6N2O8.Na.H/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);;
InChIKey
UFVBOGYDCJNLPM-UHFFFAOYSA-L
SMILES
C(C1C=C(C(=O)O)N=C2C(=O)C(=O)C3C=C(C(=O)O)NC=3C=12)(=O)O.[NaH]
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Safety

WGK Germany 
3
RTECS 
UY9454762
10-21
Storage Class
11 - Combustible Solids
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
80198
Product name
Methoxatin disodium salt
Purity
≥97.0% (HPLC)
Packaging
10mg
Price
$314
Updated
2026/03/19
Sigma-Aldrich
Product number
80198
Product name
Methoxatin disodium salt
Purity
≥97.0% (HPLC)
Packaging
50mg
Price
$1290
Updated
2026/03/19
ChemScene
Product number
CS-5599
Product name
Pyrroloquinolinequinonedisodiumsalt
Purity
>98.0%
Packaging
25mg
Price
$310
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0156690
Product name
METHOXATIN DISODIUM SALT
Purity
95.00%
Packaging
50MG
Price
$1250.35
Updated
2021/12/16
ChemScene
Product number
CS-5599
Product name
Pyrroloquinolinequinonedisodiumsalt
Purity
>98.0%
Packaging
5mg
Price
$80
Updated
2021/12/16
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Pyrroloquinoline quinone disodium salt Chemical Properties,Usage,Production

Description

Pyrroloquinoline quinone disodium salt (PQQ-NA2) is a water-soluble quinone compound that has a strong antioxidant capacity. This product is a reddish-brown colored powder. It is isolated from cultures of methylotrophic bacteria and tissues of mammals. This essential nutrient is vital for mammals, playing a crucial role in enhancing immune function.

Uses

Pyrroloquinoline quinone disodium salt (PQQ), as a prototypical oxidoreductase auxiliary group, exhibits superior aqueous solubility and biocompatibility. Beyond its application as a novel food ingredient, PQQ holds promise for use in battery technology. Research has reported an efficient phenanthrazine-expanding strategy based on a diamine-dicarbonyl cyclisation reaction, extending the aromatic fusion ring system of PQQ to yield two water-soluble, redox-active n-heterocyclic compounds: PQQPS and PQQPC. Following the expansion of the π-conjugated structure, their redox potentials exhibited favourable negative shifts exceeding 330 mV. This significantly enhanced the specific capacity (22.63 Ah L−1) and power output (0.205 W cm−2) of aqueous organic redox flow batteries (aORFB), with a capacity retention rate of 97.5% after over 800 cycles (i.e., 99.996% cycle−1 or 99.85% day−1).
[1] GUOCHUN DING. π-Conjugation extended phenazinization of natural prosthetic group pyrroloquinoline quinone disodium salt for long-lifespan biomimetic aqueous redox flow batteries[J]. Nano Energy, 2025, 144: Article 111404. DOI:10.1016/j.nanoen.2025.111404.

Uses

Pyrroloquinoline quinone disodium salt (PQQ-NA2) can act as an antioxidant and there is strong evidence that PQQ may play an important role in important pathways of cell signaling. PQQ plays a variety of physiological roles, such as promoting growth and reproduction and providing neurological and cardiovascular protection.

Application

Pyrroloquinoline quinone disodium salt (PQQ-NA2) protects cells from oxidative damage and increases the mitochondrial membrane potential, which is essential for the production of ATP. It also stimulates enzyme activities, such as glutathione peroxidase and glutathione reductase, and prevents lipid peroxidation of human serum. This compound also inhibits radiation-induced cellular damage by preventing DNA strand breakage. It may be effective in treating diseases related to oxidative stress, such as diabetes and cancer.

benefits

1.Antioxidant. PQQ (pyrroloquinoline quinone) is an antioxidant and based on research, it shows to be more powerful at fighting free radicals than vitamin C. Antioxidants work better together, so it is unclear if taking PQQ alone as a supplement can help stop any diseases.
2.Mitochondrial dysfunction. Mitochondrial disease is a group of disorders caused by mitochondrial dysfunction. One study tested PQQ supplements in men who did aerobic exercise for 6 weeks. It increased mitochondria by affecting certain proteins during exercise. Another study showed that dietary PQQ raised mitochondria activity.
3.Anti-diabetes. Problems with mitochondria are part of what causes diabetes. Animal data shows that PQQ supplements fix mitochondrial problems from diabetes and make diabetic mice respond better to insulin. Yet, there isn’t any evidence that PQQ can help people with diabetes.
4.Inflammation. PQQ might lower inflammation by lowering the C-reactive protein, interleukin-6, and other markers in your blood.
5.Nootropic. Substances that help memory, attention, and learning are sometimes called nootropics. Studies show that PQQ raises blood flow to the cerebral cortex. This supplement also may also memory problems in older people. Sleep and mood. PQQ might help with better and longer sleep. By easing fatigue, it might also help to improve moods.

Source

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.

Biological Functions

In bacteria, pyrroloquinoline quinone disodium salt (PQQ-NA2) 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.

Side effects

From Self-Hacked: Anecdotally, some people have reported mild headaches and insomnia – usually either if too much is taken or if someone is very sensitive to the effects of supplements.
From Dr. Axe: The most commonly reported pyrroloquinoline quinone side effects include headaches, drowsiness and fatigue. Extremely high doses can also be dangerous and have actually been associated with some serious and potentially life-threatening effects on health.
keep.health/pqq-pyrroloquinoline-quinone/

Pyrroloquinoline quinone disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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Pyrroloquinoline quinone disodium salt Suppliers

Shandong Yuanlitai Nutratech Co., Ltd,
Tel
18668987081 18980869808
Email
info@yltnutra.com
Country
China
ProdList
20
Advantage
58
InnovaSyn
Tel
025-83673882 13357828857
Email
vivi.wu@innovagt.com
Country
China
ProdList
14
Advantage
58
Wuxi Cima Science Co.,Ltd
Tel
0510-0510-85188225 18061978815
Fax
0510-85185685
Email
info@cimasci.com
Country
China
ProdList
18
Advantage
58
WeiTai BioPharmaceutical Co.,Ltd(Hangzhou?)
Tel
0571-82358004 13282012786
Email
sales@weitai-pharmaceutical.com
Country
China
ProdList
68
Advantage
58
Shenzhen Hygieia Biotechnology Co., Ltd
Tel
0755-0755-27208059 18898723287
Fax
0755-27208059
Email
chloe@hygieia.com.cn
Country
China
ProdList
56
Advantage
58
Zhejiang Invertin Biotechnology Co.,Ltd.td.
Tel
2165030 17369571355
Fax
QQ:1169435659
Email
dingerleo22@gmail.com
Country
China
ProdList
54
Advantage
58
Shijiazhuang Kunen Trading Co.,Ltd
Tel
0311-89683399 15373948596
Fax
0311-89683399
Email
sales@kunenchem.com
Country
China
ProdList
42
Advantage
58
Anhui Chnbio Technology Co., Ltd.
Tel
18969017660
Email
2424422732@qq.com
Country
China
ProdList
101
Advantage
58
NINGBO SYNTAME BIOTECH CO LTD
Tel
+86-0574-28802872 18668283131
Email
sales@syntame.com
Country
China
ProdList
111
Advantage
58
SHANDONG XINGRUNDA CHEMICAL CO.,LTD
Tel
0534-18615348689 18615348689
Email
hclt1978@163.com
Country
China
ProdList
26
Advantage
58
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View Lastest Price from Pyrroloquinoline quinone disodium salt manufacturers

HANGZHOU INVERTIN BIOPHARMA CO., LTD.
Product
Pyrroloquinoline Quinone Disodium Salt(PQQ) 122628-50-6
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20tons
Release date
2026-04-13
Hangzhou Hyper Chemicals Limited
Product
PQQ 122628-50-6
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
5,000KG
Release date
2026-03-27
HUARONG(GUANGDONG) PHARMACEUTICAL CO.,LTD
Product
Pyrroloquinoline Quinone Disodium Salt(PQQ) 122628-50-7
Price
US $1.00/KG
Min. Order
25KG
Purity
99%
Supply Ability
20T
Release date
2025-10-14

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