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Product Line: Food Industry

Disodium 4,5-dihydro-4,5-dioxo-1H-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylate

CAS 122628-50-6

Molecular structure of Disodium 4,5-dihydro-4,5-dioxo-1H-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylate

CAS · 122628-50-6

01

Product Overview

Disodium 4,5-dihydro-4,5-dioxo-1H-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylate is a high-purity food-additives supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Grade USP Grade
Appearance Red or reddish-brown powder
Purity (HPLC) 99.0% min
Assay (PQQ disodium salt, anhydrous basis) 99.0% min
Identification (HPLC) Conforms to the reference solution
Identification (UV) A233 nm / A259 nm = 0.90 ± 0.09; A322 nm / A259 nm = 0.56 ± 0.03
Water 12.0% max
Heavy metals 10 ppm max
Pb 1 ppm max
As 0.5 ppm max
Cd 0.3 ppm max
Hg 0.2 ppm max
Total Aerobic Microbial Count (TAMC) 1,000 CFU/g max
Total Yeast & Mold Count (TYMC) 100 CFU/g max
Enterobacteria 100 CFU/g max
Escherichia coli Negative / 10 g
Staphylococcus aureus Negative / 10 g
Salmonella Negative / 10 g
03

Applications

Disodium 4,5-dihydro-4,5-dioxo-1H-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylate is a highly water-soluble derivative of a heterocyclic carboxylic acid, commonly used in biochemical research, analytical chemistry, and pharmaceutical studies. The compound is applied as a fluorescent or UV-active reagent in enzymatic assays, molecular biology experiments, and protein labeling techniques due to its stable chromophoric structure. In pharmaceutical development, it serves as a building block or intermediate in the synthesis of bioactive heterocyclic molecules and polycarboxylated drug candidates. Its solubility and ionic nature also make it suitable for use in aqueous buffer systems and as a standard or reference compound in analytical methods, including spectrophotometry and chromatography.

04

Benefits

This compound offers several advantages due to its solubility, chemical stability, and structural versatility. The disodium salt form ensures high water solubility and easy incorporation into aqueous systems, enhancing its applicability in biological assays and pharmaceutical formulations. Its tricarboxylate and heterocyclic moieties provide multiple reactive sites for derivatization, labeling, or conjugation reactions. The compound exhibits excellent thermal and photochemical stability, allowing reliable performance under various experimental and processing conditions. Additionally, it provides reproducible spectroscopic and analytical properties, making it a dependable tool in research and quality control.

05

Conclusion

Disodium 4,5-dihydro-4,5-dioxo-1H-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylate is a versatile heterocyclic derivative with broad applications in biochemical research, analytical chemistry, and pharmaceutical synthesis. Its benefits, including water solubility, chemical stability, and multifunctional reactivity, make it a valuable reagent and intermediate for laboratory and industrial use. Continued utilization of this compound supports advanced research, precise analytical measurements, and the development of novel bioactive molecules.

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