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80008-69-1 , 5-Bromo-3-indolyl phosphate p-toluidine salt, Lapis phosphate

80008-69-1 ,
5-Bromo-3-indolyl phosphate p-toluidine salt,
Lapis phosphate
C8H6BrNO4P·C7H10N / 399.18
MFCD03427361

5-Bromo-3-indolyl phosphate p-toluidine salt, Lapis phosphate

5-Bromo-3-indolyl phosphate p-toluidine salt is a bioluminescent substrate that is used as a chemiluminescent and fluorogenic substrate in diagnostic assays. It is a conjugate of the enzyme 5-bromo-3-indolyl phosphate and p-toluidine. This compound has been shown to be an excellent substrate for the enzyme alkaline phosphatase, which catalyzes the production of light from 5-bromo-3-indolyl phosphate. In addition, this product has been shown to be a chromogenic substrate for horseradish peroxidase.

5-Bromo-3-indolyl phosphate p-toluidine salt, also known as BCIP, is a widely used reagent in the field of molecular biology, biochemistry, and other related fields. This chemical is used to detect the presence of a variety of enzymes, and its application has become increasingly important in the study of cellular signaling, metabolism, and gene expression. In this paper, we will explore the various aspects of BCIP, including its physical and chemical properties, synthesis and characterization, analytical methods, biological properties, toxicity and safety in scientific experiments, applications in scientific experiments, current state of research, potential implications in various fields of research and industry, limitations, and future directions.

Definition and Background

5-Bromo-3-indolyl phosphate p-toluidine salt, or 5-Bromo-3-indolyl phosphate p-toluidine salt, is a type of chromogenic substrate used in molecular biology experiments to detect the activity of alkaline phosphatase (AP) enzymes. AP enzymes are a common type of enzyme found in eukaryotic cells, and they are involved in various cellular processes, including DNA replication, protein synthesis, and signal transduction. When AP enzymes interact with 5-Bromo-3-indolyl phosphate p-toluidine salt, they hydrolyze the molecule and release a blue-purple product, which can be easily detected and quantified using various analytical methods. 5-Bromo-3-indolyl phosphate p-toluidine salt is often used in combination with another chromogenic substrate, nitro blue tetrazolium (NBT), which gives a dark blue precipitate upon reduction by the AP enzyme. Together, 5-Bromo-3-indolyl phosphate p-toluidine salt and NBT are commonly used to detect the expression of genes in Southern, Western, and Northern blot analysis.

Physical and Chemical Properties

5-Bromo-3-indolyl phosphate p-toluidine salt is a white to off-white powder with a molecular weight of 482.28 g/mol. It has a melting point of 215-220°C, and its solubility in water is 10-25 mg/mL at 20 °C. 5-Bromo-3-indolyl phosphate p-toluidine salt is not soluble in organic solvents such as ethanol, methanol, chloroform, or acetone. It is stable at room temperature and can be stored at -20°C for up to one year without significant degradation. 5-Bromo-3-indolyl phosphate p-toluidine salt is a phosphatase substrate that is hydrolyzed by AP enzymes, releasing 5-bromo-3-indolyl phosphate and p-toluidine. The reaction between 5-Bromo-3-indolyl phosphate p-toluidine salt and AP can be monitored by measuring the absorption of the blue-purple product at 595 nm.

Synthesis and Characterization

The synthesis of 5-Bromo-3-indolyl phosphate p-toluidine salt involves the reaction of 5-bromo-3-indolyl phosphate with p-toluidine hydrochloride in the presence of a base such as triethylamine. The product formed is 5-Bromo-3-indolyl phosphate p-toluidine salt, which can be purified by recrystallization or by column chromatography. The purity of 5-Bromo-3-indolyl phosphate p-toluidine salt can be determined using various analytical techniques, such as high-performance liquid chromatography (HPLC), mass spectrometry (MS), or nuclear magnetic resonance (NMR).

Analytical Methods

The analysis of 5-Bromo-3-indolyl phosphate p-toluidine salt in various samples can be performed using various analytical techniques, such as spectrophotometry, HPLC, MS, or NMR. The most common method of detection involves measuring the absorption of the blue-purple product formed by the reaction between 5-Bromo-3-indolyl phosphate p-toluidine salt and AP enzymes. The absorbance can be measured at 595 nm using a spectrophotometer, and the concentration of 5-Bromo-3-indolyl phosphate p-toluidine salt can be determined using a standard curve.

Biological Properties

5-Bromo-3-indolyl phosphate p-toluidine salt is a commonly used reagent in molecular biology and biochemistry experiments. It is mainly used to detect the activity of AP enzymes, which are involved in various cellular processes, including DNA replication, protein synthesis, and signal transduction. The use of 5-Bromo-3-indolyl phosphate p-toluidine salt has allowed researchers to investigate the regulation of gene expression and signaling pathways in different organisms. In addition, 5-Bromo-3-indolyl phosphate p-toluidine salt has been used to study the subcellular localization of proteins and the dynamics of cellular processes, such as apoptosis and autophagy.

Toxicity and Safety in Scientific Experiments

The toxicity of 5-Bromo-3-indolyl phosphate p-toluidine salt has been studied in various animal models, and it has been found to be relatively safe when used in recommended concentrations. However, 5-Bromo-3-indolyl phosphate p-toluidine salt can cause skin and eye irritation when it comes into contact with these tissues. In addition, inhalation or ingestion of 5-Bromo-3-indolyl phosphate p-toluidine salt can cause respiratory and gastrointestinal distress. Therefore, proper safety measures should be taken when using 5-Bromo-3-indolyl phosphate p-toluidine salt in scientific experiments, including the use of personal protective equipment and proper disposal of waste.

Applications in Scientific Experiments

5-Bromo-3-indolyl phosphate p-toluidine salt has a wide range of applications in various scientific experiments, including molecular biology, biochemistry, and other related fields. The most common use of 5-Bromo-3-indolyl phosphate p-toluidine salt is in the detection of AP enzymes in Western, Southern, and Northern blot analysis. 5-Bromo-3-indolyl phosphate p-toluidine salt has also been used in immunohistochemistry and enzyme-linked immunosorbent assay (ELISA) to study the expression of proteins and antibodies in different tissues and samples. In addition, 5-Bromo-3-indolyl phosphate p-toluidine salt has been used as a substrate for the detection of other enzymes, such as β-galactosidase and peroxidase.

Current State of Research

Currently, research on 5-Bromo-3-indolyl phosphate p-toluidine salt mainly focuses on its applications in various fields, such as molecular diagnostics, drug discovery, and biotechnology. New methods for the synthesis and characterization of 5-Bromo-3-indolyl phosphate p-toluidine salt are being developed, and new applications are being explored to improve the detection of enzymes and proteins in different samples. In addition, the use of 5-Bromo-3-indolyl phosphate p-toluidine salt in combination with other reagents, such as chromogenic or fluorescent substrates, is being investigated to increase the sensitivity and specificity of detection.

Potential Implications in Various Fields of Research and Industry

5-Bromo-3-indolyl phosphate p-toluidine salt has potential implications in various fields of research and industry, including molecular diagnostics, drug discovery, and biotechnology. 5-Bromo-3-indolyl phosphate p-toluidine salt can be used to detect the activity of enzymes and proteins in different samples, which can be useful for the diagnosis and treatment of various diseases. In addition, 5-Bromo-3-indolyl phosphate p-toluidine salt can be used to screen drug candidates and identify new therapeutic targets. In biotechnology, 5-Bromo-3-indolyl phosphate p-toluidine salt can be used to detect the expression of recombinant proteins and optimize the conditions for protein production.

Limitations and Future Directions

Although 5-Bromo-3-indolyl phosphate p-toluidine salt is a widely used reagent in molecular biology and biochemistry, it has some limitations. One of the limitations is the relatively low sensitivity of detection compared to other substrates, such as chromogenic or fluorescent substrates. Another limitation is the interference of endogenous phosphatases, which can produce false-positive results. Future research on 5-Bromo-3-indolyl phosphate p-toluidine salt should aim to improve the sensitivity and specificity of detection, develop new applications, and investigate the potential for use in clinical diagnostics and therapeutics. Some of the future directions in 5-Bromo-3-indolyl phosphate p-toluidine salt research include the development of new analogs with improved properties, the use of 5-Bromo-3-indolyl phosphate p-toluidine salt in combination with other reagents, such as chromogenic or fluorescent substrates, and the investigation of the mechanisms of action of AP enzymes and other enzymes that hydrolyze 5-Bromo-3-indolyl phosphate p-toluidine salt.

CAS Number80008-69-1
Product Name5-Bromo-3-indolyl phosphate p-toluidine salt
IUPAC Name(5-bromo-1H-indol-3-yl) dihydrogen phosphate;4-methylaniline
Molecular FormulaC15H16BrN2O4P
Molecular Weight399.18 g/mol
InChIInChI=1S/C8H7BrNO4P.C7H9N/c9-5-1-2-7-6(3-5)8(4-10-7)14-15(11,12)13;1-6-2-4-7(8)5-3-6/h1-4,10H,(H2,11,12,13);2-5H,8H2,1H3
InChI KeyMTKYSMVJOACNBO-UHFFFAOYSA-N
SMILESCC1=CC=C(C=C1)N.C1=CC2=C(C=C1Br)C(=CN2)OP(=O)(O)O
Canonical SMILESCC1=CC=C(C=C1)N.C1=CC2=C(C=C1Br)C(=CN2)OP(=O)(O)O


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