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4-Nitrophenyl phosphate disodium salt hexahydrate CAS:4264-83-9
4-Nitrophenyl phosphate disodium salt hexahydrate is a chemical compound that is commonly used as a substrate for detecting the activity of phosphatase enzymes. It appears as a white to off-white powder and is highly soluble in water. When acted upon by phosphatase enzymes, it undergoes a reaction that results in the production of a yellow color, which can be measured spectrophotometrically. This compound finds applications in various biochemical assays and diagnostic kits for detecting and quantifying phosphatase activity in samples.
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Potassium iodide CAS:7681-11-0
Potassium iodide (KI) is an inorganic compound that consists of potassium cations (K+) and iodide anions (I-). It is a white, crystalline solid that is highly soluble in water. Potassium iodide has various uses and applications due to its properties.
One of the main uses of potassium iodide is in medicine. It is commonly used as a supplement to treat and prevent iodine deficiency-related conditions, such as goiter, thyroid hormone imbalance, and certain types of thyroid cancer. It can also be used as an emergency treatment for radiation exposure, as it helps to block the uptake of radioactive iodine by the thyroid gland.
Potassium iodide also has applications in laboratory settings. It is used as a reagent in analytical chemistry to detect the presence of certain elements, such as lead and mercury, through the formation of insoluble yellow precipitates. Additionally, it can be used as a source of iodide ions in various chemical reactions.
In the culinary field, potassium iodide is sometimes added to table salt (iodized salt) as a means to prevent iodine deficiency in populations. Iodized salt is consumed by many individuals worldwide as a dietary source of iodine.
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Sodium dodecyl sulfate CAS:151-21-3
Sodium dodecyl sulfate (SDS) is a commonly used anionic surfactant that is used in various industries and research applications. It is a white solid or powder that is soluble in water and forms a strong, stable foam when agitated. SDS is known for its ability to solubilize and denature proteins, making it useful in protein extraction, purification, and electrophoresis techniques. Additionally, SDS is widely used as a detergent in household and personal care products, as well as in industrial cleaning applications. It is also a key ingredient in many biochemical and molecular biology experiments, where it is used for cell lysis, DNA isolation, and as a denaturing agent in gel electrophoresis.
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4-Nitrophenyl-alpha-L-fucopyranoside CAS:10231-84-2
4-Nitrophenyl-alpha-L-fucopyranoside is a chemical compound that belongs to the family of glycosides. It consists of a fucose sugar molecule attached to a 4-nitrophenyl group. This compound is commonly used as a substrate in enzymatic assays to study the activity of fucosidases, which are enzymes involved in the breakdown of fucose-containing molecules. When acted upon by a fucosidase enzyme, 4-nitrophenyl-alpha-L-fucopyranoside is cleaved, resulting in the release of 4-nitrophenol, which can be quantitatively measured using spectrophotometry. This substrate is particularly useful in studies related to enzymatic activity, substrate specificity, inhibitor screening, and kinetics of fucosidase enzymes.
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Sodium dodecylbenzenesulphonate CAS:25155-30-0
Sodium dodecylbenzenesulphonate (SDBS) is an anionic surfactant and detergent commonly used in various industries. It is known for its ability to lower the surface tension of liquids, making them easier to spread and enhancing their cleaning, foaming, and emulsifying properties. SDBS is used in household and industrial detergents, cleaning products, and as an emulsifier in different applications. It is also used in industrial processes, analytical chemistry, and research laboratories.
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Trypan Blue CAS:72-57-1 Manufacturer Price
Trypan Blue is a blue dye commonly used in biological research and medical procedures. It is frequently used to stain and differentiate living cells from non-living cells or debris. Trypan Blue is particularly useful in cell viability assays and cell counting methods. It works by selectively staining dead or non-viable cells, allowing researchers to easily identify and count live cells under a microscope. Trypan Blue can be used with various cell types and is a valuable tool in many areas of cell biology and clinical diagnostics.
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5-Sulfosalicylic acid dihydrate CAS:5965-83-3
5-Sulfosalicylic acid dihydrate is a chemical compound that is commonly used in biochemical and pharmaceutical laboratories. It is a white crystalline substance that is highly soluble in water. 5-Sulfosalicylic acid dihydrate is a derivative of salicylic acid and has a molecular formula of C7H6O6S. It is often employed as a reagent for protein precipitation and can be used to measure proteins in biological samples, such as urine and serum. Additionally, it can be utilized in the determination of various substances, including nucleic acids, enzymes, hormones, and drugs. The dihydrate form of the compound indicates that it contains two molecules of water per molecule of the acid.
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DEPC CAS:1609-47-8 Manufacturer Price
Diethyl pyrocarbonate (DEPC) is a chemical compound commonly used in molecular biology laboratories. It is a clear and colorless liquid that is highly reactive towards nucleophilic compounds such as amines and thiols.DEPC is primarily used to inactivate RNases (ribonucleases), enzymes that can degrade RNA, by modifying their active sites. It achieves this by reacting with histidine residues in the enzyme, which are essential for its activity. This makes DEPC a valuable tool in RNA-related experiments and ensures the preservation of RNA integrity.In addition to its RNase inactivating properties, DEPC can also modify other biomolecules, such as proteins and DNA, due to its reactivity with nucleophilic groups. Care should be taken when handling DEPC, as it is toxic and potentially mutagenic.
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Xylene Cyanole FF CAS:2650-17-1
Xylene Cyanole FF is a synthetic dye that is commonly used in laboratory applications. It is often used in molecular biology and biochemistry experiments for various purposes.
One of the common uses of Xylene Cyanole FF is as a tracking dye in agarose gel electrophoresis. It is added to DNA or RNA samples before loading them onto the gel. The dye migrates at a specific rate during electrophoresis, allowing researchers to visually track the progress of the sample as it moves through the gel.
Additionally, Xylene Cyanole FF can be used as a marker or reference point in nucleic acid analysis. When combined with other dyes, such as bromophenol blue, it helps visualize the migration of nucleic acids during gel electrophoresis.
Xylene Cyanole FF is a dark blue dye that is easily visible and does not inhibit enzymatic reactions or interfere with subsequent analysis of nucleic acids. It is usually supplied as a powder or as a concentrated solution that can be diluted as needed.
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8-Anilino-1-naphthalenesulfonic acid ammonium salt CAS:28836-03-5
8-Anilino-1-naphthalenesulfonic acid ammonium salt is a chemical compound that is commonly used as a fluorescent dye. It has a structure consisting of an aniline group attached to a naphthalenesulfonic acid molecule with an ammonium salt. This compound is soluble in water and exhibits a strong absorption and emission in the visible light range.
Due to its fluorescent properties, 8-Anilino-1-naphthalenesulfonic acid ammonium salt is often used as a probe or indicator in various biochemical and biophysical studies. It can be used to detect changes in pH, conformational changes in proteins, protein-ligand interactions, and the presence of certain ions.
When excited with an appropriate wavelength of light, this compound emits a bright blue fluorescence, allowing for easy detection and measurement. Its fluorescence properties make it a valuable tool in research areas such as molecular biology, biochemistry, and cell biology.
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4-Fluoro-7-nitrobenzofurazan CAS:29270-56-2
4-Fluoro-7-nitrobenzofurazan is a chemical compound with the molecular formula C6H2FN3O3. It is a yellow crystalline solid that is primarily used as a reagent in various chemical reactions. 4-Fluoro-7-nitrobenzofurazan is known for its ability to react with primary amines, forming fluorescent derivatives that can be useful in analytical applications such as protein labeling and amino acid analysis. It is also used in studies related to enzyme kinetics and the determination of nucleic acid sequences.
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5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide cyclohexylammonium salt CAS:18656-96-7
5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide cyclohexylammonium salt, also known as X-glucuronide, is a chemical compound commonly used in molecular biology and enzymology experiments. It is a chromogenic substrate that is often utilized to detect the activity of the enzyme beta-D-glucuronidase.
The compound consists of an indole group coupled to a glucuronic acid moiety through a glycosidic bond. The bromo and chloro substituents provide stability and enhance the solubility of the compound.
When incubated with a sample containing beta-D-glucuronidase, the enzyme cleaves the glycosidic bond, releasing the indole moiety. This reaction results in the formation of a blue precipitate or color change, allowing for easy visual or spectrophotometric detection of the enzyme activity.
Due to its specificity for beta-D-glucuronidase, X-glucuronide is widely used in molecular biology techniques such as bacterial and yeast transformation assays, reporter gene assays, and histochemical staining. It provides a convenient and sensitive means to detect the presence or expression of beta-D-glucuronidase and is often employed in conjunction with other genetic or biochemical assays.
