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<p>5-Cyano-3-indolyl-b-D-galactopyranoside is a chemiluminescent substrate that can be used to measure the activity of esterases and other enzymes. It has been shown to be a potent inhibitor of human erythrocyte esterase. The compound is also a potent inducer of bioluminescence in bacteria, which can be used for diagnostic applications. 5-Cyano-3-indolyl-b-D-galactopyranoside is a fluorogenic substrate that can be used to measure the activity of phosphatases and other enzymes. This product has an enzyme substrate function, which can be used for enzyme assays. 5CIGP is useful for measuring high levels of enzyme activity in the presence of strong inhibitors such as phenylmethylsulfonyl fluoride (PMSF).</p>

<p>Crimson-Gal (Crimson-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 a crimson colored precipitate. Crimson-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>Chromogenic substrate for alpha-glucosidase</p>

<p>5-Amino-3-indoxyl-b-D-galactopyranoside is a chromogenic substrate for the enzyme galactosidase. 5-Amino-3-indoxyl-b-D-galactopyranoside is used in diagnostic tests to identify the presence of lactose intolerance. It can also be used to detect traces of blood in food, water, and other substances. This product has a high purity that makes it suitable for conjugation applications.</p>

<p>2-Nitrophenyl a-D-glucopyranoside is a chromogenic substrate commonly used to assay the activity of glucosidases. Upon cleavage of the glycosidic bond by glucosidases, the released 2-nitrophenyl group yields a yellow color detectable by spectrophotometry. This substrate has high sensitivity and is widely used in a variety of applications, including drug discovery and enzyme kinetics studies.</p>

<p>Aldol® 470 phosphate, disodium salt is a fluorogenic substrate that is used in the detection of enzyme activity. It can be used to detect the presence of an enzyme by measuring the light emitted from the substrate after it has been converted to fluorescent product. Aldol® 470 phosphate, disodium salt is a chromogenic substrate that is used for detecting and measuring enzyme activity. The product of this reaction can be measured by absorbance or fluorescence spectroscopy, making it useful for many different types of diagnostic tests. This product can be conjugated with a variety of ligands for use in diagnostic assays and research. Aldol® 470 phosphate, disodium salt can also be used in culture media as a bioluminescent substrate for bacterial growth and metabolism studies. This product can also be used as an environmental testing reagent or as a staining agent in microscopy applications.</p>

<p>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.</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-indoxyl-a-D-xylopyranoside is a fluorogenic substrate that can be used in food testing and environmental testing. This product is a conjugate of the xylosidase enzyme (EC 3.2.1.37) with 5-bromo-4-chloroindoxyl, which has been shown to have a high affinity for the enzyme's active site and enzymatic activity. The purity of this product is &gt; 95% and the CAS number is 68618-41-5.</p>

<p>N-Benzoyl-Val-Gly-Arg p-nitroanilide hydrochloride is a fluorogenic substrate that can be used for the detection of β-glucuronidase. It has been shown to have high purity and quality, which makes it an excellent choice for use in food testing and staining.</p>

<p>3-Amino-9-ethylcarbazole is a peroxidase substrate suitable for use in immunoblotting and immunohistochemical staining procedures. This substrate produces an insoluble end product that is red in color and can be observed visually.</p>