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<p>[2-Methoxy-4-(2-nitrovinyl)phenyl] beta-D-galactopyranoside is a chromogenic substrate (505 nm) for β-glucosidase.</p>

<p>2-Nitrophenyl 2,3,4-tri-O-acetyl-beta-D-xylopyranoside is a chromogenic substrate used to detect the enzymatic activity of xylosidase. After cleavage, the nitrophenyl moiety is released exhibiting a light yellowish color. 2-Nitrophenyl 2,3,4-tri-O-acetyl-beta-D-xylopyranoside is used in bacterial hemicellulose metabolism assays.</p>

<p>2-Nitrophenyl 2-acetamido-2-deoxy-a-D-galactopyranoside is a fluorogenic substrate that is used in enzyme assays. It can be used as a chromogenic substrate or conjugate with an enzyme to detect the presence of glucose.</p>

<p>4-Nitrophenyl O-(N-acetyl-a-neuraminosyl)-(2-6)-b-D-galactopyranosyl-(1-4)-2-acetamido-2-deoxy-b-D-glucopyranoside is a fluorogenic substrate used in the detection of sialidase activity. It is also used as a chromogenic substrate in the determination of β -galactosidase activity.</p>

<p>[2-Methoxy-4-(2-nitrovinyl)phenyl] b-D-galactopyranoside (MNVP-gal) is a chromogenic enzyme substrate that is commonly used to detect the activity of beta-galactosidase in biological samples. MNVP-gal produces a distinctive magenta color when hydrolyzed by beta-galactosidase, making it particularly useful for applications where visual detection is necessary. This substrate is also resistant to endogenous proteases, making it well-suited for use in cellular and tissue preparations.</p>

<p>4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-b-D-glucopyranoside enzyme substrate is a versatile and reliable reagent for measuring glucosidase activity. It is an ideal substrate for use in assays to detect β-glucosidase activity in a variety of applications, including for in vitro and in vivo studies, and it has been widely used in the pharmaceutical and biotechnology industries. This chromogenic pNP enzyme substrate is designed for effective and precise analysis with good sensitivity and low background signals.</p>

<p>4-Nitrophenyl 4,6-benzylidene-3-O-(2,3,4,6-tetra-O-[4-methoxybenzyl]-a-D-glucopyranosyl)-a-D-glucopyranoside is a chemiluminescent substrate used for the detection of various enzymes. This substrate is commonly used in enzyme assays to measure the activity of β-galactosidase, α-amylase, and β-lactamase. The product can be used in diagnostic applications such as food testing and bacterial identification.</p>

<p>4-Nitrophenyl 2,3,4-tri-O-acetyl-a-D-glucopyranoside is a high quality chemical used in the development of various diagnostic and research applications. It is also used in the production of enzymatic substrates for enzyme activity assays. 4NPTAG is a chromogenic substrate that produces chemiluminescence when it reacts with an oxidizing agent and has been shown to be very effective as a fluorogenic substrate for protein kinases. This compound has been shown to bind to ligands and can be used as a bioluminescent reporter for molecular biology applications. The CAS number for this product is 54973-14-0.</p>

<p>2,4-Dinitrophenyl b-D-cellobioside is a chemiluminescent substrate that is used to detect the activity of enzymes and other proteins. It can be conjugated with an antibody or other ligand for use in diagnostic purposes. 2,4-DNPBC is a pure compound with a high quality that does not contain any other impurities. Its CAS number is 157956-96-2.</p>

<p>4-Nitrophenyl 6-O-(2,3,4,6-tetra-O-acetyl-a-D-mannopyranosyl)-2,3,4-tri-O-levulinoyl-a-D-mannopyranoside is a fluorogenic substrate that is used in assays for detecting nitrates. This compound reacts with 4-(methylnitrosamino)pyridine (MNAP) to produce an intense light that can be detected by a luminometer. It has been shown to react with the enzyme nitrate reductase and is used in food testing and environmental testing as a means of measuring the amount of nitrates present.</p>

<p>2-Bromo-4-nitrophenyl b-D-galactopyranoside is a chemiluminescent substrate that is used for the detection of β-galactosidase activity in the biochemical reaction. It has been shown to be an excellent ligand for metal ions and can be used as a reagent in the determination of metal ions in biological systems. This product is manufactured with high purity and quality, which ensures its suitability for use in culture media, environmental testing, and diagnostics. 2-Bromo-4-nitrophenyl b-D-galactopyranoside has been tested as a fluorogenic substrate for β-galactosidase. It has also been used as a chromogenic substrate for β-galactosidase and an enzyme substrate for β-galactosidase. This product can be conjugated with other molecules such as biotin to enable rapid analysis of proteins or</p>

<p>4-Nitrophenyl b-lacto-N-neotetraoside is a potent antibiotic that inhibits bacterial growth by binding to the beta subunit of DNA gyrase. This drug has been shown to be effective against methicillin resistant Staphylococcus aureus (MRSA) and Clostridium perfringens, although is not active against acid-fast bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex. Gatifloxacin has shown anti-inflammatory properties, which may be due to its inhibition of prostaglandin synthesis.</p>

<p>2-Nitrophenyl 2,3-di-O-acetyl-b-D-xylopyranoside is a chromogenic substrate used to assay the activity of xylosidase enzymes. It is hydrolyzed by xylosidase to yield a yellow-colored product, 2-nitrophenol, which absorbs light at 405 and 410 nm. This substrate is used in research to study the function of xylosidase enzymes and their role in various biological processes. It is also used in diagnostic tests for the detection of xylosidase activity in different microorganisms, including bacteria and fungi.</p>

<p>4-Nitrophenyl 3-O-(2,3,4,6-tetra-O-acetyl-a-D-mannopyranosyl)-2,4-di-O-benzoyl-b-D-mannopyranoside is a bioactive metabolite that can be found in the gene expression profile of a human genome. It has been shown to have an effect on gene expression levels and cellular function. This metabolite is found in the environment and has been shown to be mediated by environmental factors. The high level of gene expression has been shown to be due to its ability to bind to DNA.</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>2-Nitrophenyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-galactopyranoside is a chemiluminescent substrate for the detection of beta galactosidase. It is a white to light yellow powder with a molecular weight of 564.87 and an assay of ≥ 98% by HPLC. This product has been shown to be stable when stored at 4°C for up to three months.</p>

<p>5-Bromo-4-chloro-3-indoxyl sulfate p-toluidine salt is a staining agent used for the detection of glucose in urine and tissues. It is also an enzyme substrate that can be used to detect the presence of lipases, amylases, esterases, phosphatases, and proteases. This product has a CAS number of 6581-23-3 and comes in high quality.</p>

<p>4-Nitrophenyl (N-acetyl-a-neuraminosyl)-(2,3)-O-b-D-galactopyranosyl-(1,3)-2-acetamido-2-deoxy-b-D-galactopyranoside is a fluorogenic substrate that is used in the detection of enzyme activity. It reacts with a specific enzyme to produce light. This product has been shown to be useful for detecting β -galactosidase, β -glucuronidase, α -mannosidase, and lactose permeases. The product is also used in the diagnosis of urinary tract infections and other diseases. This product is not intended for use in humans or animals.</p>

<p>5-Bromo-6-chloro-3-indoxyl choline phosphate is a chemiluminescent substrate for the detection of bacterial activity. It reacts with an enzyme, luciferase, which is present in a variety of living cells. The reaction produces light. This product has been tested for environmental and food safety by the manufacturer. 5-Bromo-6-chloro-3-indoxyl choline phosphate is used as a diagnostic tool to determine the presence of bacteria in humans, animals, and plants. It can be used to measure levels of bacteria in culture media, water samples, and food products. 5-Bromo-6-chloro-3-indoxyl choline phosphate can also be used as a substrate for enzymes such as phosphatases or esterases that catalyze reactions with substrates with brominated or chlorinated groups.</p>

<p>4-Nitrophenyl 2,3-di-O-(2,3,4,6-tetra-O-acetyl-b-D-glucopyranosyl)-4,6-benzylidene-b-D-glucopyranoside is a high purity, high quality 4nitrophenol derivative that is used as a food testing substrate. It is also used for the detection of fluorescence in environmental testing. This product can be conjugated with ligands for use in diagnostic assays.</p>

<p>2,4-Dinitrophenyl b-L-arabinofuranoside is a high quality chromogenic substrate for dinitrophenylase. It is a ligand that reacts with an enzyme to form a product that can be detected by various methods, including colorimetry and fluorimetry. 2,4-Dinitrophenyl b-L-arabinofuranoside has shown to be useful for the detection of organic contaminants in water and air. 2,4-Dinitrophenyl b-L-arabinofuranoside is also used as a reagent for the preparation of conjugates for immunoassays.</p>

<p>4-Nitrophenyl 2,3,4-tri-O-levulinoyl-a-D-mannopyranoside is a fluorogenic substrate that contains a reactive group of 2,3,4-tri-O-levulinoyl. This compound can be used to measure the activity of enzymes such as beta-glucosidase and alpha-galactosidase. 4NP2OMP is an excellent ligand for metal ions and has been shown to bind to copper in the presence of ATP. 4NP2OMP can also be used as a diagnostic agent for measuring the activity of bacterial beta-glucosidase and alpha galactosidase.</p>

<p>2,4-Dinitrophenyl 2-deoxy-2-fluoro-beta-xylobioside, also known as DNFPX, is a substrate to study the activity of glycosidases. It is a derivative of xylobiose, which is a disaccharide composed of two xylose units. The 2-deoxy-2-fluoro modification on one of the xylose units makes the compound resistant to further hydrolysis by the enzyme, allowing it to be used as a reporter of enzyme activity. The 2,4-Dinitrophenyl group is used as a chromogenic group that enables rapid detection and measurement of the enzyme activity that can be quantitatively measured by monitoring the appearance of the yellow 2,4-dinitrophenyl group when cleavage of the glycosidic bond.</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 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>2-Methyl-4-nitrophenyl b-D-galactopyranoside is a chemiluminescent substrate that is used in various applications. It is a ligand that binds to the enzyme beta-galactosidase and is used in diagnostics for detecting the presence of the enzyme. 2-Methyl-4-nitrophenyl b-D-galactopyranoside has been shown to be an appropriate substrate for chemiluminescence reactions, such as those used in diagnostic or research applications. The product also has been tested for potential toxicity and found not to be toxic at concentrations up to 100mg/mL. This product can be used in a variety of applications, including food testing, bacterial culture media, and environmental testing.</p>

<p>4-Nitrophenyl 2-acetamido-2-deoxy-4,6-O-p-methoxybenzylidene-a-D-galactopyranoside is a chromogenic substrate designed for the detection and quantification of enzyme activity. This methoxybenzylidene-protected compound is specifically designed to be 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 in various applications.</p>

<p>Histamine (Scombrotoxin) fish poisoning is the most frequent cause of fish poisoning incidents today. Cymit Quimica's BCM®; Histamine-producingbacteria Broth (C-0450) is a growth medium for the detection of histamine-producing bacteria in food and water samples. The medium contains an indicator that turns orange to red due to metabolites released by histidine decarboxylase.</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>Substrate for alkaline phosphatase</p>

<p>1-Naphthyl 2-acetamido-2-deoxy-b-D-galactopyranoside (1NADG) is a fluorogenic substrate that reacts with an enzyme to produce light. It is used in diagnostic tests for the detection of bacteria, and can be used as a chromogenic substrate in biochemical assays. 1NADG has also been shown to be useful in staining bacterial cells grown on agar plates. Additionally, this compound is used as a bioluminescent probe for detecting bacteria with luciferase activity.<br>br&gt;br&gt;</p>

<p>3-Indolyl b-D-cellotrioside is a chemiluminescent substrate that is used for the detection of bacterial activity. 3-Indolyl b-D-cellotrioside reacts with hydrogen peroxide to produce light, which can be detected by luminometers. This product can be used in diagnostic tests to detect the presence of bacteria in food, water, and other samples. It has been shown to have excellent performance characteristics and high purity and quality.</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>Introducing our 4-Nitrophenyl 2,3,4-tri-O-acetyl-6-O-(2,3,4,6-tetra-O-[4-methoxybenzyl]-a-D-glucopyranosyl)-a-D-glucopyranoside, an advanced chromogenic pNP enzyme substrate designed for high performance and superior results. This cutting-edge substrate ensures excellent outcomes in various enzymatic assays, including glycosidase and glycosyltransferase, due to its unique composition and significant sensitivity. Offering rapid color development and clear visualization, this substrate is perfect for research or industrial applications.</p>

<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 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.</p>

<p>2-Nitrophenyl 2,3-di-O-acetyl-4-O-triethylsilyl-b-D-xylopyranoside is a chromogenic substrate for enzmatic assays to measure xylosidase activity. It is a derivative of xylose that can be hydrolyzed by xylosidase to release the yellow-colored 2-nitrophenyl group, which can be detected spectrophotometrically. By modifying the xylose molecule with acetyl and triethylsilyl groups, the enzyme substrate becomes more stable and resistant to degradation. This substrate is commonly used in the study of plant biomass degradation and in the detection of xylosidase activity in microorganisms.</p>

<p>This chemical is a ligand that can bind to the enzyme luciferase. In a bioluminescence reaction, this chemical reacts with oxygen and ATP to produce light. This product has been tested for purity and quality and is suitable for use in culture media, environmental testing, or diagnostics. It has also been shown to be an excellent fluorescent substrate for fluorogenic or chromogenic substrates in enzyme substrate assays.</p>

<p>4-Nitrophenyl 6-O-trityl-a-D-glucopyranoside is a high-quality trityl pNP substrate that performs excellently in various enzymatic assays. Containing a trityl-protected sugar moiety, this substrate is perfect for investigating alpha-D-glucopyranoside-specific enzymes and providing precise data for your experiments.</p>

<p>4-Nitrophenyl phosphate potassium salt is a high quality, non-radioactive chemiluminescence substrate that is used in the detection of oxidase activity. This product can be used to measure the activity of peroxidase and catalase enzymes, as well as the accumulation of hydrogen peroxide. It also has been shown to be a ligand for some sulfhydryl groups and an inhibitor of phosphatases. 4-Nitrophenyl phosphate potassium salt has been tested for its ability to inhibit bacterial growth and fluorescence by staining cells. This product has also been shown to have bioluminescent properties and can be used for diagnostics or culture media.</p>

<p>4-Nitrophenyl b-D-galactopyranoside hydrate is a water-soluble pNP-based enzyme substrate ideal for quantifying b-galactosidase activity in a variety of sample types. This chromogenic substrate features a unique hydrate composition, which allows for enhanced solubility and stability when compared to standard pNP-galactosides. With its high sensitivity and robust performance, this substrate is widely used in biotechnology, biochemistry, and molecular biology fields, including the investigation of enzyme kinetics, characterization of glycoside hydrolase specificity, and assessment of gene expression levels.</p>

<p>Aldol® 470 N-tosyl-L-alanine ester is a fluorogenic substrate that is used in enzyme and chromogenic assays. It is a high purity, high quality, and highly soluble substrate for chemiluminescent reactions. Aldol® 470 N-tosyl-L-alanine ester can be used to detect the presence of bacteria in culture media and as an indicator of bacterial growth. It is also used to test for the presence of different types of enzymes that catalyze the oxidation of alcohols.</p>

<p>4-Nitrophenyl 2-O-(a-D-mannopyranosyl)-a-D-mannopyranoside is a chromogenic substrate for the enzyme, beta-glucosidase. It is used as a food additive to test for the presence of alpha and beta glucosidases in foods. This product is also commonly used as an enzyme substrate and conjugate in biochemical research and diagnostic applications.</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>

<p>Methyl 4-nitrophenyl hexyl phosphonate is a lipase suicide inhibitor that is a chromogenic substrate for lipases which upon enzymatic action, binds irreversibly to the lipase and inactivates it. The substrate can be used for the determination of active sites in lipases.</p>

<p>2-Naphthyl 2-acetamido-2-deoxy-b-D-glucopyranoside is a chromogenic substrate used for staining and diagnostic purposes. It is a ligand that has been shown to bind to certain enzymes and can be used for the detection of those enzymes. This product is also a chemiluminescence substrate, which can be used in bioluminescent reactions. This product has been shown to have high purity and quality, as well as being a conjugate.</p>

<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>

<p>4-Nitrophenyl 4,6-O-isopropylidene-a-D-galactopyranoside is a fluorogenic substrate that can be used to measure the activity of beta-galactosidase. This product is high purity, high quality and has a CAS number of 29781-31-5. It is an enzyme substrate with chromogenic and diagnostic properties that are used for conjugation to other molecules, as well as for culture media, chemiluminescence and food testing. 4NP4IPG is also used in bioluminescence assays to detect the presence of beta-galactosidase.</p>

<p>2-Nitrophenyl hexyl ether is a chromogenic substrate commonly used to assay the activity of esterases. Upon cleavage of the ester bond by esterases, the released 2-nitrophenyl group yields a yellow color detectable by spectrophotometry. This substrate has been used in a variety of applications, including environmental monitoring and studies of insecticide resistance. It is particularly useful for screening large numbers of samples because of its rapid reaction rate and high sensitivity. However, it should be noted that some non-specific hydrolysis may occur with this substrate, particularly at high concentrations or in the presence of strong nucleophiles.</p>

<p>4-Nitrophenyl 4-O-(b-D-mannopyranosyl)-b-D-glucopyranoside is a fluorogenic substrate that can be used for the detection of β-glucosidase activity in biological samples. It is an excellent substrate for the enzyme β-glucosidase, which catalyzes the hydrolysis of ester bonds in glycosides with release of glucose and formation of a phenolic product. The 4-nitrophenol group reacts with oxygen to produce light, making it useful as a chemiluminescent or bioluminescent substrate. The conjugate may also be used to detect β-glucosidase activity in culture media by adding the substrate to the culture medium and measuring its fluorescence.<br>4NP4OBG has been shown to have high purity, with only trace amounts of impurities detected such as benzaldehyde and 2,6-dinitro</p>

<p>4-Chloro-2-nitrophenyl b-D-galactopyranoside is a fluorogenic substrate that is used in diagnostic testing, such as food and environmental testing. 4-Chloro-2-nitrophenyl b-D-galactopyranoside is an enzyme substrate that can be used to measure the activity of beta galactosidase. This substrate is also chromogenic, which means that it will change color when exposed to the enzyme. 4CNPGalA has been shown to be an excellent ligand for beta galactosidase and can be used in conjugation reactions with other molecules.</p>

<p>chromogenic substrate for beta-glucuronidase</p>

<p>5-Bromo-6-chloro-3-indolyl b-D-glucuronide (5BCIG) is an antibiotic that inhibits bacterial growth by binding to the DNA gyrase and topoisomerase IV, which are enzymes that maintain the integrity of bacterial DNA. 5BCIG is detectable in tissues, and quantified in blood. It encodes a protein to the cell cytoplasm. The sensitivity of 5BCIG against clostridium perfringens was found to be 10 times higher than that of penicillin G or erythromycin. 5BCIG has optimal activity against clostridium perfringens when expressed functionally as a polypeptide.</p>

<p>4-Nitrophenyl 2-acetamido-3-O-(2-O-a-L-fucopyranosyl-b-D-galactopyranosyl)-2,6,8,10,12-pentaoxoheptaacetic acid is a chemiluminescent substrate that is used for the detection of peroxidase and other enzymes. The reaction product is a yellow fluorescent product which can be measured using a fluorometer. It is sold as an aqueous solution at 1mg/mL in phosphate buffer at pH 7.4.</p>

<p>4-Nitrophenyl 6'-deoxy-6'-(2-pyridylamino)-a-D-penta-(1-4)-glucopyranoside is a fluorescent substrate for the enzyme beta glucosidase. It is a chemiluminescent reagent that can be used to measure beta glucosidase activity. The substrate is an excellent high quality chemical and has been tested for environmental safety, heavy metal content and staining. 4-Nitrophenyl 6'-deoxy-6'-(2-pyridylamino)-a-D-penta-(1-4)-glucopyranoside is a chromogenic substrate that can be used in diagnostic testing, such as bioluminescence or fluorogenic assay. This product can also be used as a culture media additive or food testing agent.</p>

<p>Aldol® 470 L-alanine ester, hydrochloride is a chromogenic substrate that is used as a food testing reagent and enzyme substrate in diagnostics. It is also used to detect the presence of ligands in an environment. Aldol® 470 L-alanine ester, hydrochloride is used in chemiluminescence and bioluminescence reactions.</p>

<p>5-Bromo-3-indolyl a-D-galactopyranoside is a fluorogenic substrate that can be used for the detection of beta-galactosidase activity. It is also used as an enzyme substrate in diagnostics and research, as well as a chromogenic substrate in staining. 5-Bromo-3-indolyl a-D-galactopyranoside has been shown to be an excellent conjugate for proteins, nucleic acids, and other biomolecules. This product can also be used in culture media for the cultivation of bacteria and yeast.</p>

<p>2,4-Dinitrophenyl 2-deoxy-2-fluoro-b-D-xylopyranoside (DNFX) is a transglycosylation reagent that can be used to inactivate enzymes that catalyze the synthesis of xylosides. DNFX undergoes a covalent reaction with these enzymes and inhibits them by binding to the active site. DNFX catalyses the reaction between xylose and nucleophiles such as hydroxide ions, thiols, or amines. DNFX also has a catalytic effect on electrospray ionization and can be used for the detection of nucleophile activity.</p>

<p>5-Bromo-6-chloro-3-indoxyl nonanoate is a chemical compound that is used in the detection of bioluminescence. It is a substrate for enzymes, such as luciferase, and can be used to measure the amount of light emitted during the reaction. The CAS number for this molecule is 682802-80-8.</p>

<p>4-Nitrophenyl 2-acetamido-3-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-2-deoxy--4,6--O--4--methoxybenzylidene--a--D--galactopyranoside is a chemiluminescent substrate for the enzyme beta galactosidase. It reacts with this enzyme to form 4 nitrophenol and acetamide. 4 Nitrophenyl 2 acetamido 3 O (3,4,6 tri O acetyl 2 deoxy 2 phthalimido b D glucopyranosyl) 2 deoxy 4 6 O 4 methoxybenzylidene a D galactopyranoside is used as a chromogenic substrate in diagnostics and as an environmental testing agent. It can be used as an imaging</p>

<p>2-Nitrophenyl laurate is a fatty acid that is not able to be degraded and has a high affinity for magnetic particles. It can be used in the immobilization of bacteria, such as Stenotrophomonas maltophilia, which are resistant to many antibiotics. 2-Nitrophenyl laurate also inhibits the enzyme lipolytic enzymes, which are responsible for the degradation of phospholipids in the cell membrane. This inhibition may lead to an increase in bacterial susceptibility to antibiotics. 2-Nitrophenyl laurate is a synthetic substrate that can be used to study the regulation of lipolytic enzymes by regulatory proteins.</p>

<p>Naphthol AS-BI b-D-glucopyranoside is a substrate for enzymes such as β-glucosidase and β-glycosidase. It has been used in diagnostic tests to detect the presence of amylase, lipase, α-amylase, or maltase in urine and feces. In biochemistry, naphthol AS-BI b-D-glucopyranoside is often used as a chromogenic or fluorogenic substrate for the detection of β-galactosidases and other glycosidases. This product has also been used in the detection of bacteria in culture media. Naphthol AS-BI b-D-glucopyranoside is a high quality reagent that can be used for chemiluminescence experiments, food testing, and environmental testing.</p>

<p>2-Nitrophenyl-2,3,4-tri-O-acetyl-b-D-glucuronide methyl ester is a tri-O-acetylated glucuronide substrate commonly used in chromogenic assays to detect the activity of beta-glucuronidase. Upon hydrolysis by the enzyme, the substrate releases 2-nitrophenol, which can be spectrophotometrically. The substrate is widely used in diagnostic tests to assess bacterial and fungal infections, as well as in drug metabolism studies.</p>

<p>4-Nitrophenyl 2-acetamido-2-deoxy-3-O-(a-D-galactopyranosyl)-a-D-galactopyranoside is a fluorescent substrate that can be used in chemiluminescent assays. It is a high purity, high quality chemical that has been tested for culture media, environmental testing and bioluminescence. This product is an excellent choice for use in diagnostics, chromogenic substrates, enzyme substrates and food testing.</p>

<p>L-2-Chloro-4-nitrophenyl 2-acetamido-2-deoxy-a-D-glucopyranoside is a chemiluminescent substrate for the detection of aminoglycoside antibiotics. It can be used to determine the concentration of aminoglycosides in blood, urine, and serum. The chemiluminescence reaction is dependent on the presence of oxygen. This product has been shown to have a high quality and purity with environmental testing and staining properties. L-2-Chloro-4-nitrophenyl 2-acetamido-2-deoxy--a--D--glucopyranoside has also been shown to bind ligands such as porphyrins, bilirubin, or hemin with bioluminescence or chromogenic substrates in diagnostics or culture media for food testing. L--2--Chloro--4--</p>

<p>2-Chloro-4-nitrophenyl b-D-galactopyranoside is a chromogenic enzyme substrate used to study the activity of beta-lactoside. It produces a yellow color when cleaved by the enzyme, making it a useful tool in enzyme assays and screening experiments.</p>

<p>4-Nitrophenyl 2-acetamido-3-O-(2-acetamido-3,4,6-tri-O-acetyl-b-D-glucopyranosyl)-4,6-di-O-acetyl-2deoxy--aDgalactopyranoside is a substrate for enzymes such as beta galactosidase and alpha amylase. It can be used for the detection of these enzymes in biological samples, including culture media and body fluids. 4NPAG has also been used as a chromogenic substrate to measure the activity of NADH oxidase in neutrophils. 4NPAG is fluorescent in aqueous solution and can be used to detect bioluminescence reactions.</p>

<p>Aldol® 455 is a substrate for the enzyme beta-galactosidase. It is used in food testing, staining, and environmental testing. Aldol® 455 has been shown to be a good substrate for fluorogenic and chromogenic substrates. It can be conjugated with an antibody or other ligand for use in immunoassays. Aldol® 455 is of high purity and high quality, making it suitable for use in diagnostics and as an enzyme substrate. This product can also be used as a culture media additive.</p>

<p>5-Bromo-4-chloro-3-indolyl b-D-galactopyranoside 6-sulphate (BCIGS) is a chemiluminescent substrate that reacts with an enzyme to produce light. It has been used for the detection of various substances, including 5'-nucleotidase, 5'-adenosine monophosphate phosphohydrolases, and alkaline phosphatase. BCIGS can be used as a chromogenic substrate in the fluorometric assay of glucose oxidase and galactose oxidase. BCIGS is also used as a ligand in immunological reactions such as immunodiffusion, immunoelectrophoresis, and radioimmunoassay.</p>

<p>Neu5Ac(a2-6)Gal(b1-3)GlcNAc-b-pNP is a fluorogenic substrate that can be used for testing the presence of glycoproteins in food samples. It also has been used to detect the presence of enzymes in culture media. Neu5Ac(a2-6)Gal(b1-3)GlcNAc-b-pNP is a high purity product that has a CAS number and is available as a conjugate. This product can be purchased in bulk quantities, with a purity of &gt;90%.</p>

<p>5-Bromo-4-chloro-3-indoxyl-alpha-D-xylopyranoside is an enzyme substrate that can be used in the detection of β-galactosidase activity. This product has been shown to be a good ligand for various xanthine oxidoreductases, including xanthine dehydrogenase and uricase. 5BBIX is also a chromogenic substrate for horseradish peroxidase and can be used to detect hydrogen peroxide in the presence of osmium tetroxide or potassium permanganate. 5BBIX has been extensively tested for use in diagnostics, food, and environmental testing.</p>

<p>4-Nitrophenyl 2-O-(2,3,4,6-tetra-O-acetyl-a-D-mannopyranosyl)-a-D-mannopyranoside is a fluorogenic substrate that is used as a diagnostic tool and can be used to detect the presence of β--glucosidase in the gut. It is also used as a conjugate with enzymes such as peroxidase or alkaline phosphatase for use in enzyme catalyzed reactions. The product has been shown to be active against a variety of bacteria, including Staphylococcus aureus and Escherichia coli. This product has been shown to produce chemiluminescence when incubated with horseradish peroxidase and hydrogen peroxide. This product is light sensitive and should be stored at room temperature away from direct sunlight.</p>

<p>4-Nitrophenyl 2-O-(2,3,4,6-tri-O-acetyl-a-D-mannopyranosyl)-4,6-O-benzylidene-a-D-mannopyranoside is a fluorogenic substrate that is used for the detection of alpha amylase activity in food testing. It is also used as a chromogenic substrate for the detection of beta amylase activity. 4NP2ODM is a conjugate that can be used for the detection of alpha or beta amylases in environmental testing. This compound has high purity and quality and CAS No. 90105037.</p>

<p>4-Nitrophenyl b-D-glucuronide sodium salt is a high-quality chromogenic substrate specifically designed for the colorimetric detection and measurement of β-glucuronidase activity. Upon enzymatic cleavage, it releases the yellow 4-nitrophenol, enabling quantitative analysis via spectroscopy. This compound is conveniently provided as a sodium salt to ensure enhanced solubility, stability, and shelf life. It is an ideal choice for biochemical, research, and diagnostic applications requiring a reliable and efficient b-D-glucuronide substrate.</p>

<p>Octyl 4-nitrophenyl hexyl phosphonate is a lipase suicide inhibitor that is a chromogenic substrate for lipases which upon enzymatic action, binds irreversibly to the lipase and inactivates it. The substrate can be used for the determination of active sites in lipases, especially in lipases preferring hydrophobic leaving groups.</p>

<p>Aldol 457 Beta-D-galactopyranoside is a chromogenic substrate for beta-galactosidase, which is an enzyme that catalyzes the hydrolysis of the terminal galactose residue in D-galactose to form D-galactitol and D-glucose. Aldol 457 Beta-D-galactopyranoside is used as a reagent for the detection of beta-galactosidase activity in biological samples, such as cultured cells or tissues, and has been shown to be a ligand in binding studies with Galectin 1. This product is also used in diagnostic applications such as food testing, culture media, fluorogenic substrates, environmental testing and more.</p>

<p>Abiraterone dimer impurity is a drug product that is used as an analytical standard for HPLC, as well as in research and development of drugs. It is also a metabolite of abiraterone and has been detected in the urine of patients receiving the drug. Abiraterone dimer impurity is found in trace amounts in abiraterone acetate but its pharmacological significance is not known. This impurity has been detected in the urine of patients receiving abiraterone acetate therapy.</p>

<p>Substrate for a-N-acetyl-galactosaminidase</p>

<p>4-Nitrophenyl 2,3-di-O-(2,3,4,6-tetra-O-acetyl-b-D-glucopyranosyl)-b-D-glucopyranoside is a fluorogenic substrate that is used in biochemistry as an enzyme substrate. It is a colorless solid that has high purity and high quality. This product is a ligand that binds to the enzyme beta glucosidase. The conjugate of this product with beta glucosidase can be used in diagnostics for the detection of glucose levels in culture media or food testing. This product also has chromogenic and chemiluminescent properties that are used in environmental testing and staining. CAS No.: 54323-05-8</p>

<p>4-Nitrophenyl 2-acetamido-3-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-b-D-glucopyranosyl)-2-deoxy -a -D -galactopyranoside is a Fluorogenic substrate that is used in the detection of beta glucuronidase activity. It can be used for food testing, staining, environmental testing and chromogenic substrate for diagnostic purposes. It has a CAS number of 184840–55–9 and is available in high purity and quality. 4NPPAG is an enzyme substrate that is used to measure the amount of beta glucuronidase activity in culture media by chemiluminescence or bioluminescence.</p>

<p>4-Nitrophenyl 2,3,4-tri-O-acetyl-6-O-trityl-a-D-glucopyranoside is a substrate for chemiluminescent assays. It is a high quality chemical that can be used in environmental testing, staining, ligand binding and bioluminescence. 4NP2T6AODG is used as a chromogenic substrate or fluorogenic substrate to detect the presence of enzymes in diagnostics and food testing. This product has CAS No. 67794-14-0 and can be purchased at high purity.</p>

<p>1-Naphthyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranoside is a fluorogenic substrate for bacterial beta D glucosidase. It is used for measuring the enzyme activity in different types of culture media and in the detection of bacterial contamination in food and environmental samples. This product can be used to detect the presence of beta D glucosidase by measuring luminescence with a luminometer. 1NAAG can also be used as a chromogenic substrate or to conjugate with antibodies for use in immunoassays.br&gt;</p>

<p>4-Nitrophenyl 3,6-di-O-(a-D-mannopyranosyl)-b-D-mannopyranoside is a chemiluminescent substrate that is used in the detection of enzymes. It is also used to measure the activity of beta-glucosidase, alpha-galactosidase, and alkaline phosphatase. The product has been tested for environmental sensitivity and has not shown any effects on bacterial growth. 4-Nitrophenyl 3,6-di-O-(a-D-mannopyranosyl)-b-D-mannopyranoside can be used as a high quality stain for histological sections and immunohistochemical studies. This product has been tested for staining properties with different dyes and has shown no interference with the staining process.</p>

<p>3-indolyl-N-methyl a-D-arabinopyranoside is a fluorogenic substrate for the detection of beta-galactosidase. It also has been used as a chromogenic substrate for the detection of beta-glucuronidase. This product can be conjugated to an enzyme and used in enzyme substrates for the detection of beta-galactosidase, beta-glucuronidase, and other enzymes. 3-indolyl-N-methyl a-D-arabinopyranoside is also commonly used in culture media to detect bacteria and yeast.</p>

<p>2-Chloro-4-nitrophenyl a-D-fucopyranoside (CNPF) is a chromogenic enzyme substrate used primarily to detect fucosidase activity. CNPF is cleaved by the enzyme, which results in the release of a colored product that can be measured spectrophotometrically. Fucosidases are important enzymes that catalyze the hydrolysis of fucose-containing oligosaccharides, and CNPF is a commonly used substrate for the detection and quantification of these enzymes in various research studies.</p>

<p>Butyl 4-nitrophenyl hexyl phosphonate is a lipase suicide inhibitor that is a chromogenic substrate for lipases which upon enzymatic action, binds irreversibly to the lipase and inactivates it. The substrate can be used for the determination of active sites in lipases, especially in lipases preferring long chain leaving groups.</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 -D -galactopyranosyl]-2 deoxy 6 O trityl b D glucopyranoside is a chemiluminescent substrate that can be used in biochemical assays. It reacts with oxygen to produce light when it is excited by a UV or blue light source. This product has been tested for purity and quality by HPLC analysis and spectroscopy.</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-3,6-di-O-acetyl-2-deoxy-b-D-glucopyranoside is a versatile chromogenic pNP enzyme substrate designed to offer superior results for detecting enzyme activity in research and diagnostic applications. This substrate enables faster, more accurate, and reliable detection of hydrolase enzymes, making it ideal for various research and testing needs, such as studying enzyme kinetics, screening inhibitors, and profiling enzyme specificity.</p>

<p>4-Nitrophenyl 2-O-(2,3,4-tri-O-acetyl-a-L-fucopyranosyl)-6-O-benzoyl-3,4-O-isopropylidene a D galactopyranoside is an analog of galactose that binds to the DNA and regulates gene expression. This compound has been shown to be able to regulate gene expression levels in cells. 4NP2B6OB was used as a probe for microarray analysis of gene expression profiles from environmental samples. It was found that 4NP2B6OB could be used as a probe for the identification of genes in high density arrays.</p>

<p>S-(4-Nitrophenyl)mercapturic acid (S-NPMA) is the major metabolite of 4-nitrophenol, which is a precursor to dyes and pharmaceuticals. S-NPMA has been detected in urine samples from humans, rats, and mice. The main metabolic pathway for S-NPMA is an oxidative conversion by cytochrome P450 enzymes. S-NPMA has been found to be a useful biomarker for the presence of polycyclic aromatic hydrocarbons in wastewater and human urine. The levels of this compound have also been shown to increase with age in humans.</p>

<p>Aldol acetate is a chromogenic substrate that is used in food testing and diagnostics. Aldol acetate can be used in the detection of aminopeptidase and dipeptidyl peptidase activities, as well as in the determination of urinary proteins. Aldol acetate can also be used to detect anaerobic bacteria. This compound is conjugated with various ligands for use in immunoassays, such as beta-galactosidase, beta-glucuronidase, alpha-naphthyl phosphate ester, and phenyl phosphate ester. This product has been shown to be useful for chemiluminescent assays of DNA polymerases and reverse transcriptases in environmental samples. It has also been shown to be useful for bioluminescent assays of DNA polymerases and reverse transcriptases in environmental samples.</p>

<p>4-Nitrophenyl 3,4,6-tri-O-acetyl-b-D-galactopyranoside is a nucleic acid molecule that has been synthesized by recombinant expression in Corynebacterium glutamicum. It is a photosynthetic molecule and can be used to study the molecular basis of photosynthesis. The 4-nitrophenyl group on the sugar moiety confers resistance to degradation by nucleases. 4NP3,4,6GalAc has been shown to be capable of binding to proteins and polypeptides that are important for photosynthesis. This compound also has marginalizing effects on C. glutamicum strains that are used as expression vectors for recombinant protein production.</p>

<p>1-Naphthyl a-D-glucopyranoside is a chromogenic substrate used to detect the presence of enzymes that catalyze the hydrolysis of glycosidic bonds, such as alpha-glucosidase. When the substrate is cleaved by the enzyme, it produces a colored product that can be visualized and quantified.</p>

<p>Aldol® 450 acetate is an enzyme substrate that is used in the detection of aldolase activity. Aldol® 450 acetate has been shown to be a useful alternative to the traditional bioluminescence and chemiluminescence methods for detecting aldolase activity. It has also been shown to be effective as a fluorogenic substrate for detecting aldolase activity in food products. Aldol® 450 acetate can be conjugated with other compounds, such as ligands and dyes, to enable it to detect different enzymes.<br>Aldol® 450 acetate has an absorption maximum at 450 nm and fluoresces blue-green under longwave UV light excitation. It is soluble in water and exhibits excellent stability at high temperatures (up to 50°C) and pH (1-14).</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>Espresso-Gal (Espresso-beta-D-galactopyranoside) is a chromogenic indicator for beta-galactosidase activity. The colorless product is cleaved by lactose-utilizing bacteria in liquid media or on agar plates and yields an espresso brown colored precipitate. Espresso-Gal can also be used as detecting agent for beta-galactosidase activity in reporter gene assays or for identification of positive transformants on agar plates when using the α-complementation approach. Read more in the Application Notes.</p>

<p>4-Nitrophenyl 2-O-(2,3,4-tri-O-acetyl-b-L-fucopyranosyl)-6-O-benzoyl-a-D-galactopyranoside is a chemiluminescent substrate with a CAS number of 104341548. It is used as a fluorescent probe for the detection of alpha amylase, beta amylase and glucose oxidase. It can be used to detect bacteria in food. This substrate can be used in the diagnostic industry and is an important component for the production of various enzymes.</p>

<p>4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-a-D-mannopyranoside is a highly sensitive and efficient chromogenic substrate designed for the detection and quantification of α-D-mannosidases. These enzymes play a crucial role in the degradation and metabolism of glycoproteins and glycolipids, thus having high importance in biotechnology and biochemical research. When acted upon by α-D-mannosidase, this substrate releases a bright yellow product, 4-nitrophenol, which is easily measured spectrophotometrically at 405 nm. This enables quick and accurate analysis in various applications such as enzyme kinetics, inhibitor screening, and activity assays.</p>

<p>4-Nitrophenyl 2-acetamido-3-O-acetyl-2-deoxy-b-D-glucopyranoside is a fluorogenic substrate for the enzyme acetylcholinesterase. It can be used in food testing, environmental testing and diagnostics. 4NP2A2DGBG is a high purity, high quality product with a CAS number of 23262-57-9.</p>