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  • 71484-85-0 , 4-Nitrophenyl a-D-glucuronide
71484-85-0 , 4-Nitrophenyl a-D-glucuronide

71484-85-0 , 4-Nitrophenyl a-D-glucuronide

Cas:71484-85-0 ,
4-Nitrophenyl a-D-glucuronide
C12H13NO9 / 315.23
MFCD15072186

4-Nitrophenyl a-D-glucuronide

4-Nitrophenyl a-D-glucuronide is a chromogenic substrate widely used for detecting and quantifying the activity of a-glucuronidase enzyme. Upon cleavage by the enzyme, it releases the yellow-colored 4-nitrophenol, whose absorbance can be monitored spectrophotometrically. This substrate is routinely employed in biochemistry and molecular biology applications, such as enzyme assays, enzyme kinetics studies, and characterization of recombinant enzymes. As a non-toxic and easy-to-use reagent, 4-Nitrophenyl a-D-glucuronide provides a convenient and sensitive method for studying a-glucuronidase activity in various biological samples, including cell extracts, tissue homogenates, and purified enzyme preparations.

4-Nitrophenyl alpha-D-Glucuronide (4-NPGA) is a synthetic chemical compound that has gained significant attention from the scientific community due to its various properties and potential applications. In this paper, we will provide a comprehensive review of the current state of research on 4-NPGA, including its definition, physical and chemical properties, synthesis, characterization, analytical methods, biological properties, toxicity and safety, applications in scientific experiments, potential future implications in various fields of research, and limitations and future directions.

Definition and Background

4-Nitrophenyl alpha-D-Glucuronide (4-NPGA) is a synthetic substrate used in biochemical experiments that measures the activity of beta-glucuronidases, enzymes that cleave the glycoside bond of glucuronides. It is a white to yellow crystalline powder that has a molecular weight of 337.26 g/mol. 4-NPGA is also known as UDP-glucuronide, which is an abbreviated form of uridine diphospho-glucuronide.

Physical and Chemical Properties

4-NPGA is a crystalline compound that appears white to yellow in color, depending on its purity. It is soluble in water and organic solvents, such as alcohol and acetone. It has a melting point of 180-183 ˚C and a boiling point of 598.99 ˚C at 760 mmHg. The compound is stable under normal conditions and has a long shelf-life.

Synthesis and Characterization

The synthesis of 4-NPGA involves the reaction of glucuronic acid with 4-nitrophenol in the presence of a coupling agent, such as dicyclohexylcarbodiimide (DCC) or N,N'-dicyclohexylcarbodiimide (DCC). The reaction yields a product that is isolated and purified through recrystallization or column chromatography.

The characterization of 4-NPGA is done using various analytical techniques, such as nuclear magnetic resonance (NMR) spectroscopy, infrared (IR) spectroscopy, and mass spectrometry. NMR spectroscopy is used to determine the structure and purity of the compound. IR spectroscopy is used to identify the functional groups present in the compound. Mass spectrometry is used to determine the molecular weight and the presence of impurities in the compound.

Analytical Methods

4-NPGA is used as a substrate in various biochemical assays that measure the activity of beta-glucuronidase enzymes. The assays involve the hydrolysis of 4-NPGA by beta-glucuronidases into 4-nitrophenol and D-glucuronic acid. The production of 4-nitrophenol can be measured using various analytical techniques, such as UV-Visible spectrophotometry, high-performance liquid chromatography (HPLC), and colorimetry.

Biological Properties

4-NPGA is not known to have any biological activity in the human body. It is used primarily as a substrate to measure the activity of beta-glucuronidase enzymes in biochemical assays.

Toxicity and Safety in Scientific Experiments

4-NPGA is generally considered safe for use in scientific experiments with appropriate precautions taken. However, like all chemicals, it should be handled with care and stored properly. The compound has not been found to be mutagenic, carcinogenic, or teratogenic in animal studies. In addition, there is no evidence of acute toxicity or sensitization from exposure to 4-NPGA.

Applications in Scientific Experiments

4-NPGA is used as a substrate in various biochemical assays to measure the activity of beta-glucuronidase enzymes. The assays are used in various fields of research, such as cancer research, drug metabolism, and toxicology. 4-NPGA has also been used to study the metabolism of xenobiotics and to assess the effect of environmental pollutants on organisms.

Current State of Research

The current state of research on 4-NPGA is focused on its potential applications in various fields of research, such as cancer research, drug metabolism, and toxicology. Researchers are also interested in developing more sensitive and specific assays for measuring the activity of beta-glucuronidase enzymes.

Potential Implications in Various Fields of Research and Industry

The potential implications of 4-NPGA in various fields of research and industry are numerous. It can be used to develop new drugs that target beta-glucuronidase enzymes, which are involved in cancer metastasis and drug resistance. It can also be used to develop new biomarkers for diagnosing and monitoring various diseases, such as cancer and liver disease. The compound has potential applications in the biotechnology industry, such as the production of recombinant proteins and monoclonal antibodies.

Limitations and Future Directions

The limitations of 4-NPGA are its low solubility and stability in aqueous solutions. This can limit its use in certain assays that require high solubility and stability in aqueous solutions. In addition, more sensitive and specific assays for measuring the activity of beta-glucuronidase enzymes need to be developed.

Future directions for the research on 4-NPGA include developing new methods for synthesizing the compound with improved properties, such as increased solubility and stability in aqueous solutions. Researchers are also exploring the use of 4-NPGA in developing new imaging probes for diagnosing and monitoring cancer and other diseases. Additionally, there is a need to study the pharmacokinetics and pharmacodynamics of 4-NPGA to assess its potential toxicity and safety in humans.

CAS Number71484-85-0
Product Name4-Nitrophenyl alpha-D-Glucuronide
IUPAC Name(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(4-nitrophenoxy)oxane-2-carboxylic acid
Molecular FormulaC12H13NO9
Molecular Weight315.23 g/mol
InChIInChI=1S/C12H13NO9/c14-7-8(15)10(11(17)18)22-12(9(7)16)21-6-3-1-5(2-4-6)13(19)20/h1-4,7-10,12,14-16H,(H,17,18)/t7-,8-,9-,10+,12-/m0/s1
InChI KeyQSUILVWOWLUOEU-GBVMLCMLSA-N
SMILESC1=CC(=CC=C1[N+](=O)[O-])OC2C(C(C(C(O2)C(=O)O)O)O)O
Canonical SMILESC1=CC(=CC=C1[N+](=O)[O-])OC2C(C(C(C(O2)C(=O)O)O)O)O
Isomeric SMILESC1=CC(=CC=C1[N+](=O)[O-])O[C@@H]2[C@H]([C@H]([C@@H]([C@@H](O2)C(=O)O)O)O)O


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