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Aldol® 518 myo-inositol-1-phosphate is a chromogenic and fluorogenic enzyme substrate used for detection of phosphatidyl-inositol specific phospholipase C activity (PI-PLC, EC 4.6.1.13). The colorless enzyme substrate is cleaved by PI-PLC or PI-PLC-positive microorganisms grown in liquid or solid media, yielding an intense red coloration. In combination with Aldol® 355 fluorescence enhancer, red fluorescence can also obtained. Aldol® 518 myo-inositol-1-phosphate is suitable for use in liquid and solid media, under aerobic as well as anaerobic conditions.

2-Nitrophenyl butyrate is a chromogenic enzyme substrate that is commonly used in enzymatic assays to detect lipases and esterases. When hydrolyzed by these enzymes, the substrate yields a yellow product that can be detected spectrophotometrically at 405 nm. The advantage of using 2-nitrophenyl butyrate is its high sensitivity and specificity for detecting lipolytic and esterolytic activities. This substrate is widely used in various applications, including enzyme kinetics studies, inhibitor screening, and the determination of esterase activity in biological samples such as serum, plasma, and cell lysates.

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.

Chromogenic substrate for β-D-fucosidase yielding a blue precipitate.

5-Bromo-4-chloro-3-indoxyl myristate is a chemiluminescent substrate that can be used in the detection of peroxide. It reacts with hydrogen peroxide to emit light, which can be detected using a luminometer. 5-Bromo-4-chloro-3-indoxyl myristate is also used for the detection of bacteria, such as Staphylococcus aureus and Escherichia coli, by staining. The compound is also used for diagnostic tests to identify diseases such as tuberculosis. 5-Bromo-4-chloro-3 indoxyl myristate is soluble in organic solvents and water, not toxic, and has a high purity level.

Cloprostenol sodium salt (ICI 80996 sodium salt) is a synthetic prostaglandin analogue, an agonist at the PGF2α receptor, with luteolytic properties.

Chitin azure is a chromogenic substrate for chitinases. It is one of the few specific substrates for this enzyme that produces chito-oligosaccharides from chitin.

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.

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

The 4-Nitrophenyl-alpha-D-galactopyranoside is a high-quality chromogenic substrate specifically designed for the enzymatic assay of alpha-galactosidase. Upon enzyme catalysis, it yields a highly fluorescent 4-nitrophenol product, which allows easy and accurate measurement of enzyme activity in a variety of research applications, such as biochemical analysis, inhibitor screening, and enzyme kinetics studies.