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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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N-Ethylmaleimide CAS:128-53-0 Manufacturer Price
N-Ethylmaleimide (NEM) is a small organic compound commonly used in biochemistry and molecular biology research. It functions as a specific inhibitor of protein sulfhydryl (thiol) groups by irreversibly modifying and blocking their activity. NEM is highly reactive with sulfhydryl groups, such as those found in the amino acid cysteine, and can react with both free sulfhydryl groups and those within proteins. This makes NEM a useful tool for studying protein function, protein-protein interactions, and enzyme activity. Its inhibitory properties have been utilized in a wide range of applications, including proteomics, enzymology, structural biology, and drug discovery.
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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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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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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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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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BCA-2K CAS:207124-63-8 Manufacturer Price
BCA-2K stands for Beta-Carotene Apocarotenoid-2-Ketolase. It is an enzyme that plays a key role in the biosynthesis of plant pigments called apocarotenoids. These pigments are derived from the precursor molecule beta-carotene and are involved in various biological processes in plants.
BCA-2K specifically catalyzes the conversion of beta-carotene into specific apocarotenoids by adding a ketone group to the molecule. This enzymatic reaction is important for the production of specific apocarotenoids with different biological activities and functions in plants.
Apocarotenoids produced by BCA-2K have been found to play roles in plant development, stress responses, and defense against pathogens and pests. They can also act as signaling molecules involved in various physiological processes.
The study of BCA-2K and its role in apocarotenoid biosynthesis is not only important for understanding plant biology but also has potential applications in areas like crop improvement, plant breeding, and the development of natural products with medicinal or nutritional benefits.
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8-Anilino-1-naphthalenesulfonic acid CAS:82-76-8
8-Anilino-1-naphthalenesulfonic acid, also known as ANS, is a fluorescent dye commonly used in biochemical and biophysical research. It belongs to the class of organic compounds known as aniline-based sulfonic acids. ANS is known for its ability to bind to hydrophobic regions or exposed hydrophobic sites in proteins and other biomolecules.
ANS fluoresces when it is bound to hydrophobic regions, making it a useful probe for studying protein conformational changes, protein-protein interactions, and protein folding/unfolding processes. The binding of ANS to hydrophobic regions leads to a blue shift in the emission spectrum, which can be monitored using fluorescence spectroscopy.
ANS is often used in a variety of research techniques, including fluorescence polarization, fluorescence resonance energy transfer (FRET), and thermal stability assays. It has been utilized to study the structure and stability of proteins, protein-ligand interactions, and protein aggregation processes.
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CHLOROPHENOLRED-BETA-D-GALACTOPYRANOSIDE, SODIUM SALT CAS:99792-50-4
CHLOROPHENOLRED-BETA-D-GALACTOPYRANOSIDE, SODIUM SALT is a chemical compound commonly used in laboratory experiments to detect the presence of enzymes that can break down lactose, such as beta-galactosidase. It is a colorless to pale yellow powder that turns red in the presence of these enzymes, making it a useful indicator for their activity. The sodium salt form of this compound improves its solubility in aqueous solutions, allowing for easy preparation and use in various enzymatic assays.
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4-Dimethylaminobenzaldehyde CAS:100-10-7
4-Dimethylaminobenzaldehyde is an organic compound commonly used as a reagent in organic chemistry. It is a pale yellow liquid with a characteristic aroma. It contains a benzene ring with a dimethylamino group (-N(CH3)2) and an aldehyde group (-CHO) attached in a para position. This compound has diverse applications, including in the synthesis of pharmaceuticals, dyes, and other organic compounds. It is known for its ability to react with various functional groups, such as amines, alcohols, and thiols, making it useful in the formation of chemical bonds and the development of new molecules.
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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.
