Chromogenic Substrates

<p>4-Nitrophenyl 2,6-di-O-benzoyl-a-D-galactopyranoside is a specialized chromogenic substrate for the accurate evaluation of α-galactosidase activity. Upon enzymatic hydrolysis, it generates the chromophore 4-nitrophenol, which can be conveniently quantified by absorbance spectroscopy. The substrate features a unique benzoylated galactopyranoside moiety for enhanced selectivity and compound stability. This high-quality substrate is perfect for various research, analytical, and diagnostic applications involving α-galactosidase detection or quantification.</p>

<p>4-Nitrophenyl hepta-O-acetyl-b-lactoside is a high-quality chromogenic pNP enzyme substrate that exhibits excellent sensitivity and specificity in enzyme assays. This synthetic compound is designed to react with β-galactosidase enzymes, generating a yellow product (4-nitrophenol) upon cleavage. The resulting color change allows for quantitative measurement of enzyme activity, providing valuable insights in various research applications including enzyme kinetics, screening of inhibitors, drug discovery, and molecular diagnostics. Our product ensures consistent results with minimal interference, making it a reliable choice for a wide range of biochemical applications.</p>

<p>4-Nitrophenyl 2-acetamido-3-O-[2-O-(2,3,4-tri-O-benzoyl-a-L-fucopyranosyl)-3,4,6-tri-O-acetyl-2 deoxy -D-galactopyranosyl]-b D glucopyranoside is a fluorescent substrate for the enzyme β galactosidase. It can be used to test for β galactosidase activity in food products, environmental samples and diagnostics. 4NPFAPG is a conjugate of 4 nitrophenol and 2 acetamido 3 O-[2 O-(2,3,4 tri O benzoyl a L fucopyranosyl) 3,4 6 tri O acetyl 2 deoxy D galactopyranosyl] b D glucopyranose. 4NPFAPG is water soluble and has</p>

<p>2-Nitrophenyl 6-O-trityl-b-D-galactopyranoside is a chromogenic enzyme substrate used in assays to detect galactosidase activity. It is a derivative of galactose that can be hydrolyzed by galactosidase to release the yellow-colored 2-nitrophenyl group, which can be detected spectrophotometrically. The trityl group helps to stabilize the molecule and prevent undesired hydrolysis during storage. This substrate is commonly used in the study of carbohydrate metabolism and in the detection of galactosidase activity in microorganisms.</p>

<p>4-Nitrophenyl 2-acetamido-3-azido-2,3-dideoxy-b-D-galactopyranoside is a fluorogenic substrate for beta-galactosidase. It has been used in the detection of beta-galactosidase activity in culture media, and for the detection of beta-galactosidase activity in environmental samples. 4NPAG can be conjugated to a variety of molecules, including antibodies, proteins, nucleotides, and oligonucleotides. 4NPAG can be used as an enzyme substrate for both chromogenic and fluoroquinolone substrates.</p>

<p>4-Nitrophenyl 2-O-(α-L-fucopyranosyl)-β-D-galactopyranoside is a chromogenic enzymatic substrate for the detection and quantification of glycosidases, such as fucosidases and galactosidases. Upon enzymatic cleavage, the substrate releases the p-nitrophenol chromophore, which can be quantified via colorimetric analysis. This pNP-conjugated compound enables the rapid, sensitive, and high-throughput detection of enzyme activity in various applications, including enzymatic assays, inhibitor screening, and mechanistic studies. Its precise specificity for α-L-fucopyranosyl and β-D-galactopyranoside moieties makes it an excellent tool for advancing research in glycobiology and related fields.</p>

<p>4-Nitrophenyl 2-acetamido-3,6-di-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-b-D-galactopyranosyl)-2-deoxy-b-D-glucopyranoside is modified acetylated chromogenic substrate designed for the detection and quantification of enzyme activity. This highly specific substrate is cleaved by enzymes, releasing a yellow 4-nitrophenol product that can be easily measured spectrophotometrically. This allows for accurate and sensitive analysis of enzyme kinetics, inhibition studies, and substrate specificity determination.</p>

<p>4-Nitrophenyl 3,4-O-isopropylidene-a-D-galactopyranoside is a chemiluminescent substrate for detecting beta-galactosidase activity in bacteria. This product is a high purity, high quality compound that can be used as a culture media and environmental testing agent. It has been shown to be effective in diagnostics, chromogenic substrate, and enzyme substrate reactions. 4NPPG has been shown to be a fluorogenic substrate for beta-galactosidase assay and can be used as food testing agent with conjugate.</p>

<p>4-Nitrophenyl 4,6-O-benzylidene-3-O-(2,3,4,6-tetra-O-acetyl-b-D-glucopyranosyl)-b-D-glucopyranoside is a high purity fluorescent reagent that can be used as a substrate for many enzymes. It is also used in environmental testing and to detect the presence of nitrophenols in food. This product has CAS number 545414.</p>

<p>4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-a-D-glucopyranoside is a useful substrate for enzymatic assays. This high-sensitivity chromogenic pNP substrate offers enhanced selectivity and increased detection ability, allowing for a broad range of applications in the field of glycosidase research. Featuring rapid colorimetric readouts with easily detectable endpoint determination, this substrate delivers clear and accurate results every time.</p>

<p>4-Nitrophenyl b-D-thiomannopyranoside acts as a substrate for β-mannosidase and thioglycoligase. Upon enzymatic cleavage, these substrates release 4-nitrophenol, a yellow chromophore that can be detected spectrophotometrically at 405 nm, facilitating quantitative measurements of enzymatic activity. Consequently, these substrates are widely used in biochemical research, clinical diagnostics, and drug discovery for evaluating the function of specific enzymes in various biological processes.</p>

<p>4-Nitrophenyl O-(N-acetyl-a-neuraminosyl)-(2-3)-b-D-galactopyranosyl-(1-4)-b-D-glucopyranoside is a fluorescent substrate that can be used for the detection of β-galactosidase. It fluoresces when cleaved by β-galactosidase, which is an enzyme that catalyzes the hydrolysis of terminal galactose residues in the glycosidic linkage of β-galactosides. This product is an excellent substrate for use in chemiluminescence and bioluminescence assays. 4NPBG has been used to detect β-galactosidase activity in diverse environments, such as food testing, staining, fluorogenic substrate, environmental testing, chromogenic substrate, and conjugate. It is also used in diagnostics, ligand binding assays,</p>

<p>4-Nitrophenyl b-D-cellohexaoside is a substrate for many enzymes and can be used to detect the presence of these enzymes in biological samples. It can also be used to detect the presence of bacteria, fungi, parasites, and viruses. 4-Nitrophenyl b-D-cellohexaoside is an excellent substrate for enzyme reactions that produce a chromogenic or fluorogenic product. This product is often conjugated with other compounds such as antibodies or antigens to form an immunoassay. 4-Nitrophenyl b-D-cellohexaoside is made from a high purity chemical by a process called nitration with sodium nitrate and sulfuric acid.</p>

<p>4-Nitrophenyl lacto-N-tetraoside is a chromogenic substrate for enzymes that cleave lactose-specific linkages, such as beta-galactosidases. Upon enzyme cleavage, the pNP group is released, resulting in a yellow-colored solution that can be spectrophotometrically quantified at 405 nm. This substrate is commonly used in detecting lactose hydrolysis activity, such as in dairy industry for production optimization studies, or in microbiology for bacterial lactose fermentation assays. Its tetrasaccharide structure resembles that of lactose and makes it a specific substrate for lactose-utilizing enzymes. The properties of 4-nitrophenyl lacto-N-tetraoside make it a useful tool in enzyme kinetics studies and screening of new lactose-utilizing microorganisms.</p>

5-Bromo-4-chloro-3-indolyl N-acetyl-a-D-neuraminic acid methyl ester is a chromogenic substrate that reacts with enzymes to produce a colored product. It can be used in diagnostic tests for the detection of various bacteria, including Salmonella and Brucella, as well as for the determination of concentration in food testing or environmental testing. 5B4C3INA can also be conjugated to other substances, such as biotin or an antibody, which allows it to be used in immunoassays.

<p>4-Methyl-2-nitrophenyl b-D-galactopyranoside is a fluorogenic substrate for β-galactosidase. It has a high purity and is of high quality. 4-Methyl-2-nitrophenyl b-D-galactopyranoside is used as an enzyme substrate in diagnostics, as a chromogenic substrate in staining, and as a conjugate in chemiluminescence. It can be used for the detection of β-galactosidase in culture media and for the detection of β-galactosidase in environmental testing. This chemical also has bioluminescent properties that make it useful for food testing.</p>

2-Nitrophenyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-a-D-glucopyranoside is a chromogenic substrate commonly used in enzyme assays for the detection and quantification of enzyme activity. It is a colorless substrate that is enzymatically converted into a yellowish product, the intensity of which is directly proportional to the enzyme activity present in the sample.

4-Nitrophenyl 2-acetamido-6-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranosyl)-3-O-(2,3,4,6-tetra -O acetyl -b D galactopyranosyl)-2 deoxy a D galactopyranoside is a high purity fluorogenic substrate for the enzyme β galactosidase. It can be used for the detection of β galactosidase in biological samples. 4NPAG can also be used as a ligand for various types of chromogenic substrates. This product is also commonly used in diagnostics and conjugates to detect β galactosidase activity or as a culture media supplement.

Chromogenic substrate for beta-D-galactosidase yielding a brown precipitate upon cleavage.

4-Nitrophenyl b-D-cellobioside heptacetate is a fluorogenic substrate that is used in food testing and environmental testing. The product is an enzyme substrate that can be used as a conjugate to produce chemiluminescence or bioluminescence. 4-Nitrophenyl b-D-cellobioside heptacetate has CAS number 69948-03-4 and is of high purity and quality. It has been shown to have good fluorescence properties, which makes it ideal for use in fluorescence microscopy applications.