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Aldol® 467 beta-D-galactopyranoside is a chromogenic and fluorogenic enzyme substrate used for detection of beta-galactosidase activity. The colorless product is cleaved by lactose-utilizing bacteria grown in liquid or solid media, yielding yellow coloration and green fluorescence. Aldol® 467 beta-D-galactopyranoside can also be used in beta-galactosidase gene reporter assays or immunoassay applications (ELISA). Aldol® 467 beta-D-galactopyranoside can be used under aerobic and anaerobic conditions.

1-Naphthyl 2-acetamido-2-deoxy-b-D-glucopyranoside is a chromogenic substrate commonly used to assay the activity of enzymes that cleave N-acetyl-beta-D-glucosaminide, such as beta-N-acetylglucosaminidase. Upon cleavage by the enzyme of interest, the substrate releases a yellow-colored 1-naphthylamine, which can be measured spectrophotometrically. This substrate is widely used in biomedical research and drug discovery for studying lysosomal storage disorders, bacterial infections, and neurological diseases.

BCIP is a dye that can be used as a substrate in a fluorometric assay to detect the presence of effector proteins. It is also used in analytical chemistry to detect phosphate, and as a reagent in diagnostic tests for mucin gene expression. BCIP has been shown to have transcriptional regulatory effects on genes encoding for proteins involved in antibody production. BCIP has been shown to act as an effector protein, which influences the amount of mRNA produced by the gene encoding for tissue culture cells. BCIP can also be used as a model system to study the regulation of transcription in vitro.
A hybridization technique using BCIP with DNA-dependent RNA polymerase II has been demonstrated and applied to analyze the mechanism of transcriptional control at the level of individual genes. The use of this technique allows for analysis at a single gene level and may allow for better understanding of transcriptional regulation.

2-Chloro-4-nitrophenyl b-D-xylobioside is a chemiluminescent substrate that is used as a diagnostic agent. It has been used in the identification of gram positive and gram negative bacteria, which are differentiated by the color of the reaction. This substrate has also been used to detect the presence of certain enzymes produced by bacteria. 2-Chloro-4-nitrophenyl b-D-xylobioside has shown to be an effective enzyme substrate for detecting bacterial growth in culture media and is often used as a fluorogenic substrate in food testing.

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.

N-(4-Nitrophenyl)-D-glucopyranosylamine is a conjugate that is used in food testing, environmental testing, and diagnostics. It is a fluorogenic substrate that reacts with the enzyme glucose oxidase to produce a yellow color. This product has high purity and quality and CAS No. 553-03-6. It also has bioluminescence properties.

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.

2-Nitrophenyl 2-acetamido-3,6-di-O-acetyl-4-O-[2-O-(2,3,4-tri-O-benzoyl-a-L-fucopyranosyl)]--2-deoxy--bDglucopyranoside is an acylated glucopyranoside that is used as a substrate for the enzyme β -galactosidase. When hydrolyzed by β -galactosidase, it yields a blue product that has been widely used in chemiluminescence and bioluminescence assays. It also can be used for staining and ligand binding studies.