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

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.

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.

5-Bromo-3-indoxyl-beta-D-galactopyranoside (5BIG) is a fluorogenic substrate that has been shown to be an effective enzyme substrate. It is used in the chemiluminescence, bioluminescence, and fluorescence detection of enzymes. 5BIG is also a chromogenic substrate for nucleic acid staining and can be used in food testing as well as diagnostics. 5BIG is highly pure and high quality with a CAS number of 1301706-59-1.

Aldol® 515 N-glutaryl-L-phenylalanine amide is a chromogenic and fluorogenic enzyme substrate used for detection of L-glutamate-phenylalanine (GluPhe)-specific peptidase activity. The colorless enzyme substrate is cleaved the GluPhe-specific peptidase, yielding development of orange-red coloration. In addition, red fluorescence is generated when Aldol® 355 fluorescence enhancer or a suitable matrix is present. Aldol® 515 N-glutaryl-L-phenylalanine amide can be used in enzyme assays and live bacterial cultures. Aldol® 515 N-glutaryl-L-phenylalanine amide is suitable for use in liquid and solid media, under aerobic as well as anaerobic conditions.

2-Nitrophenyl 2-acetamido-2-deoxy-b-D-galactopyranoside is a carboxymethyl derivative of the natural substrate of β-galactosidase, which is used as a substrate for the production of recombinant proteins in the corynebacterium glutamicum. The enzyme β-galactosidase hydrolyzes this substrate to produce an acid molecule and a sugar molecule. This product can be used in biotechnological processes for the production of recombinant proteins or other bioactive molecules. It can also be used in the isolation of nucleic acid from bacteria or fungi, or to study bacterial membrane transport systems. 2NPGAG can be expressed as a recombinant protein with expression vectors such as pET21a and pET24a. It has been shown that this product inhibits transport through membranes by binding to cellulose, which may be useful for studies on cellulose biosynthesis

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.

4-Nitrophenyl 6-O-(a-D-glucopyranosyl)-a-D-glucopyranoside is an advanced chromogenic pNP enzyme substrate that delivers unparalleled performance in enzymatic assays. This high-quality substrate is specifically designed for studying glycosidases and other enzymes involved in carbohydrate metabolism. Our 4-Nitrophenyl 6-O-(a-D-glucopyranosyl)-a-D-glucopyranoside is synthesized with the highest quality materials to provide incredible accuracy and reliability in your research applications.

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.

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.

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.

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

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.

Modified naphtol AS substrate used in histochemical and cytochemical staining

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-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.