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popso disodium CAS:108321-07-9
Piperazine-N,N’-bis(2-hydroxypropanesulphonic acid) disodium salt is a chemical compound composed of piperazine, bis(2-hydroxypropanesulphonic acid) groups, and two sodium ions. It is commonly used as a buffering agent and pH regulator in various industrial and laboratory applications. The compound helps maintain a specific pH in solutions, making it useful in processes such as protein purification, molecular biology, and pharmaceutical research. Additionally, it can also act as a chelating agent for metal ions and stabilize enzyme activity in certain biochemical reactions.
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3-Morpholino-2-hydroxypropanesulfonic acid sodium salt CAS:79803-73-9
3-Morpholino-2-hydroxypropanesulfonic acid sodium salt, also known as MES sodium salt, is a chemical compound commonly used as a buffering agent in biological and biochemical research.
MES is a zwitterionic buffer that acts as a pH regulator, keeping the pH stable in various experimental systems. It is highly soluble in water and has a pKa value of approximately 6.15, making it suitable for buffering in the pH range of 5.5 to 7.1.
MES sodium salt is frequently used in molecular biology techniques such as DNA and RNA isolation, enzyme assays, and protein purification. It is also used in cell culture media to maintain a stable pH environment for cell growth and proliferation.
One notable feature of MES is its stability under physiological conditions and resistance to changes in temperature. This makes it suitable for use in experiments where temperature fluctuations are expected.
Researchers often prefer MES sodium salt as a buffer due to its minimal interference with enzymatic reactions and high buffer capacity within its optimal pH range.
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Phenyl2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside CAS:24404-53-3
Phenyl2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside is a compound that is commonly used in biochemical research. It is a modified form of the sugar molecule galactose, and has several applications in enzyme assays, gene expression analysis, screening systems, and protein purification. Its structure includes acetyl groups and a thio group, which help in the detection and manipulation of specific enzymatic activities. Overall, this compound is important in studying the activity and function of the enzyme β-galactosidase, as well as in various molecular biology and biochemistry experiments.
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DAOS CAS:83777-30-4 Manufacturer Price
N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium salt is a chemical compound that belongs to the class of sulfonated anilines. It is a sodium salt form, meaning it is in the form of a crystalline solid that is soluble in water. This compound has a molecular formula of C13H21NO6SNa.
It possesses both alkyl and sulfo groups, which make it useful in various applications. It is commonly utilized as a dye intermediate in the production of organic dyes, especially those used in the textile industry. This compound imparts color and improves the stability of dyes, enhancing their performance and durability.
Furthermore, it can also serve as a surfactant due to its hydrophilic sulfonate group and hydrophobic alkyl group. This property allows it to reduce the surface tension of liquids, making it valuable in detergent formulations, emulsion stabilizers, and other industrial processes that involve the dispersion of substances.
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![Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS:6976-37-0](https://cdn.globalso.com/xindaobiotech/图片169.png)
Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane CAS:6976-37-0
Bis[2-Hydroxyethyl] imino Tris-(Hydroxymethyl)-methane, commonly known as bicine, is a chemical compound that possesses buffering properties. It is widely used in various scientific and industrial applications. Bicine acts as a pH regulator, helping to maintain a stable pH in solutions and providing optimal conditions for biochemical reactions. It finds applications in enzyme assays, cell culture media, protein purification processes, electrophoresis, and pharmaceutical formulations.
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1,2,3,4,6-Penta-O-acetyl-D-mannopyranose CAS:25941-03-1
1,2,3,4,6-Penta-O-acetyl-D-mannopyranose is a chemical compound derived from D-mannose, a simple sugar. It is a derivative where acetyl groups are attached to five of the six hydroxyl groups present in the mannose molecule. This acetylated form of D-mannose is commonly used in organic synthesis and chemical research as a building block or starting material for the synthesis of more complex molecules. The acetyl groups provide stability and can alter the reactivity and properties of the compound.
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1,2,3,4-Di-O-Isopropylidene-alpha-D-galactopyranose CAS:4064-06-6
1,2:3,4-Di-O-isopropylidene-D-galactopyranose is a chemical compound that belongs to the family of galactopyranose derivatives. It is commonly used in organic chemistry as a protecting agent for the hydroxyl groups present in sugars, specifically galactose. The compound is synthesized by reacting D-galactose with acetone to form a diacetone derivative, which is then treated with acid to form the di-O-isopropylidene derivative. This derivative protects the hydroxyl groups, preventing unwanted reactions during chemical synthesis, and can be selectively removed to regenerate the original compound. Its compact structure and stability make it advantageous in various applications within the field of organic synthesis.
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X-GAL CAS:7240-90-6 Manufacturer Price
5-Bromo-4-chloro-3-indolyl-β-D-galactoside (X-Gal) is a common chromogenic substrate used in molecular biology and biochemistry applications. It is widely used for the detection of the lacZ gene, which encodes the enzyme β-galactosidase.
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PNPG CAS:3150-24-1 Manufacturer Price
PNPG, or p-nitrophenyl β-D-glucopyranoside, is a small molecule substrate often used in biochemical assays to measure the activity of glucosidase enzymes. It is colorless and non-fluorescent, but upon hydrolysis by glucosidase, it is converted into p-nitrophenol, which has a yellow color and is easily detectable spectrophotometrically.
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ONPG CAS:369-07-3 Manufacturer Price
O-nitrophenyl-β-D-galactopyranoside (ONPG) is a synthetic substrate used in biochemical and molecular biology assays to measure the activity of the enzyme β-galactosidase. It is commonly used in assays to detect gene expression in bacterial systems, such as Escherichia coli.ONPG is a colorless compound that is cleaved by β-galactosidase, resulting in the release of a yellow compound, o-nitrophenol. The yellow color produced can be measured spectrophotometrically, providing an indirect measurement of enzyme activity.The assay using ONPG is often referred to as the ONPG assay and is a widely used method in molecular biology research to assess the expression levels of genes controlled by the lac operon in bacterial cells.
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Nitrotetrazolium Blue Chloride CAS:298-83-9
Nitrotetrazolium Blue Chloride (NBT) is a redox indicator commonly used in biological and biochemical assays. It is a pale yellow powder that turns blue when reduced, making it useful for detecting the presence of certain enzymes and metabolic activity.
NBT reacts with electron carriers and enzymes such as dehydrogenases, which are involved in various cellular processes. When NBT is reduced by these enzymes, it forms a blue formazan precipitate, allowing for visual or spectrophotometric detection.
This reagent is commonly used in assays such as the NBT reduction test, where it is used to assess the respiratory burst activity of immune cells. It can also be used to study enzyme activities and metabolic pathways in research pertaining to oxidative stress, cell viability, and cell differentiation.
NBT has found applications in various fields, including microbiology, immunology, and cell biology. It is versatile, relatively stable, and easy to use, making it a popular choice for many experimental protocols.
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Neocuproine CAS:484-11-7 Manufacturer Price
Neocuproine is a chelating agent that is commonly used in various applications, including analytical chemistry and pharmaceuticals. It has a strong affinity for copper ions and forms stable complexes with them. This property makes neocuproine useful for detecting and quantifying copper in solutions or samples. Additionally, neocuproine has been studied for its potential therapeutic applications, particularly in treating cancer and neurodegenerative diseases.
