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4-Nitrophenyl 4,6-O-benzylidene-b-D-glucopyranoside is a fluorescent compound that is used in diagnostics and research. The compound is an enzyme substrate, a ligand for metal ions, and a chromogenic substrate. It can be used to test cultures of bacteria in culture media, as well as for food testing and environmental testing. 4-Nitrophenyl 4,6-O-benzylidene-b-D-glucopyranoside has high purity and quality due to its high fluorescence intensity. This product has been shown to be highly stable in various conditions and may be used in conjugates with other compounds.

4-Chloro-3-indoxyl-1,3-diacetate is a chromogenic substrate used in the identification of bile acids. It reacts with 4-chlorophenol to form a red dye. This compound is also used as a ligand for metal ions.

Chromogenic substrate targeting amylase and maltase

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.

Aldol® 470 L-pyroglutamic acid amide is a chromogenic and fluorogenic enzyme substrate used for detection of pyrrolidonyl peptidase (PYRase) activity. The colorless enzyme substrate is cleaved by PYRase-producing bacteria grown in liquid or solid media, yielding orange color. In addition, green fluorescence is generated when a suitable matrix is present, such as, the surface of cellulose acetate filters, polypropylene tubes or microplates, and polyethylene vials. Aldol® 470 L-pyroglutamic acid amide is suitable for use under aerobic and anaerobic conditions.

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.

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.

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

4-Nitrophenyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-a-D-glucopyranoside is a synthetic compound with the ability to inhibit the enzyme glutamicum. It is a radionuclide that can be used as a focusing agent for gamma cameras and has been shown to be effective against corynebacterium glutamicum and other organisms. 4NP2AG was synthesized by reacting nitrophenol with acetamide in the presence of an acid catalyst and hydrogenating the product. The synthesis employs precession chemistry, which involves rotating a molecule around its axis at high speed to increase its concentration in one area. This treatment leads to a higher yield of desired product. 4NP2AG contains two acetamido groups on the glucopyranoside moiety, which are esterified with nitrophenol and acetic acid respectively. These moieties are

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.

Aldol® 467 N-acetyl-beta-D-glucosaminide is a chromogenic and fluorogenic enzyme substrate used for detection of beta-N-acetyl-glucosaminidase activity. The colorless enzyme substrate is cleaved in the presence of beta-N-acetyl-glucosaminidase yielding development of a yellow product. In addition, green fluorescence is generated when a suitable matrix or Aldol® 355 fluorescence enhancer is present. Aldol® 467 N-acetyl-beta-D-glucosaminide amide can be used in enzymatic assays or in live bacterial cultures. Aldol® 467 N-acetyl-beta-D-glucosaminide is suitable for use in liquid and solid media, under aerobic as well as anaerobic conditions.

4-Nitrophenyl 6-O-DMT-2,3,4-tri-O-levulinoyl-a-D-mannopyranoside is a fluorogenic substrate that can be used for the detection of DMT (dihydroxyacetone) in food products. It has been shown to be an excellent alternative to the more commonly used 4,5′,6,7,8,-Tetrabromoindoxyl 3′,5′,6′,-tetraacetic acid (TBA). This product is also used as a chromogenic substrate for the determination of phenols in environmental testing and as a ligand conjugate for immunohistochemistry staining. The purity of this product is guaranteed and it has been tested extensively.

1-Naphthyl-alpha-D-mannopyranoside is a chromogenic substrate. It is used in diagnostics and as a reagent for enzymatic analysis of alpha-mannosidase activity in culture media, food testing, and environmental testing.

4-Nitrophenyl beta-galactoside (pNP-Gal) is a chromogenic substrate commonly used in enzymatic assays to detect and quantify the presence of beta-galactosidase. It is hydrolyzed by the enzyme to release 4-nitrophenol, which produces a yellow color that can be measured spectrophotometrically. Similarly, 4-Nitrophenyl beta-glucoside (pNP-Glc) can be used to assay beta-glucosidase activity. 4-Nitrophenyl beta-globotrioside (pNP-Glo) is a similar compound that has been designed as a substrate for glycosidases that cleave terminal beta-galactosyl-(1->3)-N-acetylgalactosamine residues. In these assays, the release of 4-nitrophenol can be measured to determine the activity of the enzyme under study. The use of chromogenic substrates like pNP-Glo allows for the rapid and reliable detection of glycosidase activity in a variety of biological samples.

4-Nitrophenyl alpha-D-maltotetraoside is a chromogenic substrate used for the detection of alpha-glucosidase and alpha-amylase activity. The four glucose units in the molecule are hydrolyzed by the enzyme, releasing 4-nitrophenol and allowing for easy colorimetric measurement of enzymatic activity

Modified naphtol AS substrate used in histochemical and cytochemical staining

4-Nitrophenyl-myo-inositol-1-yl phosphate is a highly specific chromogenic substrate used for the detection, quantification, and characterization of phosphoinositide phosphatases. When cleaved by the target enzyme, it generates a highly absorbing 4-nitrophenyl moiety, producing a yellow color that can be measured spectrophotometrically. This versatile substrate is valuable in examining phosphoinositide phosphatase activity, enzyme kinetics, substrate specificity, and inhibition studies in various cellular processes, including signal transduction, lipid metabolism, and membrane trafficking.