Others

<p>5-Bromo-4-chloro-3-indoxyl-alpha-D-fucopyranoside is a photosynthetic agent that belongs to the class of fucopyranosides. It is a non-proteinogenic amino acid that has been shown to be encoded in chloroplasts and mitochondria in photosynthetic organisms. 5B4C3IF has also been found to be involved in the synthesis of polynucleotides and polypeptides, as well as the regulation of biomass.</p>

<p>2-O-(4-Nitrophenyl)-a-D-N-acetylneuraminic acid ammonium salt is a chromogenic substrate commonly used in the detection and quantification of sialidase activity. Sialidases are a family of enzymes that hydrolyze sialic acid residues from glycoconjugates. This substrate is used to detect bacterial and viral sialidases, which play an important role in pathogen infectivity. The ammonium salt form of the substrate is preferred for its solubility in water-based assay systems.</p>

<p>6-Chloro-1H-indol-3-yl octanoate is a fluorogenic substrate that can be used to detect enzymes such as phosphatases, lipases, esterases, and proteases. 6-Chloro-1H-indol-3-yl octanoate is a ligand for metal ions such as Cu(II), Ni(II) and Zn(II). This product has high purity and quality. It is an enzyme substrate for many enzymes such as phosphatases, lipases, esterases, and proteases. This product can be used in diagnostics of various substances including food testing, environmental testing and staining. 6CIO is a chromogenic substrate that can be used to detect bioluminescence reactions.<br>6CIO is CAS No. 159954-35-5.</p>

<p>5-Bromo-6-chloro-3-indoxyl-beta-D-galactopyranoside is a chromogenic substrate for beta-D-galactosidase, yielding a magenta precipitate and contained in a chromogenic culture media. It is an indolyl carbohydrate that is the alpha-D-mannoside of indoxyl, in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively.</p>

<p>Chromogenic β-xylosidase substrate yielding a yellow solution upon cleavage.</p>

<p>5-Amino-3-indoxyl-beta-D-galactopyranoside (AIG) is a chromogenic substrate that is used for the detection of beta-galactosidase activity. AIG is also used in food testing, diagnostics, and environmental testing. The detection of beta-galactosidase activity can be done by either using the fluorogenic substrate 4-methylumbelliferyl galactopyranoside or the bioluminescence system of firefly luciferase and luciferin. This product has a CAS number of 110114-03-0 and a molecular weight of 417.5 g/mol.</p>

<p>6-Bromo-2-naphthyl 2-acetamido-2-deoxy-beta-D-glucopyranoside is a chromogenic substrate used for the detection of chitinase activity. Upon hydrolysis by chitinase, it releases a yellow-brown color, which is easily detected by spectrophotometry. This substrate has been used to study chitinases in various organisms, including bacteria, fungi, and insects. It can also be used to quantitate chitinase activity in various biological samples.</p>

<p>Chromogenic substrate specific for α-D-mannosidase. Yields a blue precipitate upon cleavage. Identification of Listeria species.</p>

<p>5-Bromo-6-chloro-3-indoxyl butyrate is a chromogenic substrate that yields a magenta-colored product after cleavage. The chromophore 5-bromo-6-chloro-indoxyl is released, generating the observable color. It is used in lipid digestion assays.</p>

<p>Aldol® 484 beta-D-galactopyranoside is a chromogenic enzyme substrate for beta-galactosidase activity. The colorless product is cleaved by lactose-utilizing bacteria in liquid or solid media, yielding intense red color. Aldol® 484 beta-D-galacto-pyranoside can also be used in beta-gal reporter gene assays or for identification of beta-gal positive transformants on agar. Aldol® 484 beta-D-galactopyranoside can be used under aerobic and anaerobic conditions.</p>

<p>Chromogenic substrate targeting alpha-L-arabinofuranosidase</p>

<p>Aldol® 484 acetate is a chromogenic substrate for carboxylesterases yielding a red precipitate. In contrast to classical indoxyl substrates, Aldol® substrates can be used under aerobic and anaerobic conditions.</p>

<p>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.</p>

<p>Aldol® 518 beta-D-glucuronic acid is a chromogenic and fluorogenic enzyme substrate used for detection of beta-glucuronidase activity, yielding red colour and red fluorescence. Living cells of Escherichia coli can be reliably detected with Aldol® 518 beta-D-glucuronic acid-containing media. Aldol® 518 beta-D-glucuronic acid can be also used in GUS reporter assays, e.g. in plant biotechnology. Aldol® 518 beta-D-glucuronic acid is suitable for use in liquid and solid media, under aerobic as well as anaerobic conditions.</p>

<p>p-Nitrophenylphosphorylcholine is a substrate molecule for enzymes that catalyze phospholipid biosynthesis. It is the most common substrate used to study the enzyme activity of phosphatidylcholine synthase and phospholipase A2 in human serum. The reaction mechanism is not well understood, but it appears to involve autocatalysis and an initial nucleophilic attack by p-nitrophenolate on the carbonyl carbon atom of the choline moiety. p-Nitrophenylphosphorylcholine has been shown to exhibit receptor activity on cells, which may be due to its ability to bind with basic proteins. This compound can also inhibit meiosis in Drosophila melanogaster and increase levels of natriuretic peptides in rats, as well as cause cell lysis and polymerase chain reactions in mammalian cells.</p>

<p>4-Nitrophenyl phosphate mono(2-amino-2-ethyl-1,3-propanediol) salt monohydrate is a chromogenic substrate that can be used to detect the presence of alkaline phosphatase. It is also used in food testing and diagnostics. 4NPPMD is a substrate for the enzyme alkaline phosphatase, which has been shown to play a role in the inflammatory response. The production of 4NPPMD by bacteria in the environment can be detected with chemiluminescence or bioluminescence. This product has been shown to react with both horseradish peroxidase and alkaline phosphatase, as well as other enzymes that are involved in metabolic pathways. This substrate also has high purity and fluorescence properties.</p>

<p>2-Chloro-4-nitrophenyl b-D-maltoheptaoside is a fluorescent compound that is used in medical research for the visualization of muscle glycogen. It is also used to study the binding of molecules to proteins, as well as to measure enzyme activity. The compound has been shown to be insensitive to changes in pH and temperature, so it can be used at different pH levels and temperatures without affecting its function. 2-Chloro-4-nitrophenyl b-D-maltoheptaoside can be detected by titration calorimetry due to its high molecular weight. The molecule's affinity for carbohydrates also allows it to be used in optimization studies of carbohydrate molecules.</p>

<p>Chromogenic substrate yielding a soluble chromophore for the colorimetric assay of α-D-galactosidase upon cleavage. Used for the detection of hydrolases in tissues and membranes.</p>

<p>4-Nitrophenyl laurate is a chromogenic substrate for lipase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl laurate is used in different applications such as the Lipase activity screening, clinical diagnostics</p>

<p>Isopropyl-beta-D-thiogalactopyranoside (IPTG) is a non-metabolizable allolactose analogue, widely used in molecular biology for overexpression of recombinant proteins from inducible systems under the control of lac promoter. IPTG binds to the LacI repressor and causes its release from the lac operator, allowing gene expression of lac operon to take place. IPTG is present in vectors of pGEX, pGEM-T, pET, pRSET, pMAL class and others.</p>

<p>Chromogenic substrate for carboxylesterase yielding a magenta precipitate upon cleavage. Mainly used in histochemistry.</p>

<p>2-Naphthyl-lpha-D-glucopyranoside is a substrate for α-glucosidase. 2-Naphthol is released upon hydrolyzation. By simultaneous coupling with a suitable staining reagent, such as hexazonium p-rosaniline, the corresponding reddish-brown azo-dye is formed. Naphthols can also be detected by fluorescence analysis.</p>

<p>4-Fluoro-2-nitrophenyl beta-D-galactopyranoside, a fluorinated analog of ONPG, is a chromogenic enzyme substrate specifically used to detect beta-galactosidase in bacterial media. 4-Fluoro-2-nitrophenyl beta-D-galactopyranoside is used in Lactose intolerance screening, bacterial beta-galactosidase detection (E. coli)</p>

<p>Aldol 458 nonanoate solution (0.75 M) is a substrate for enzymes and ligands, which is used in various applications such as food testing, staining, fluorogenic substrate, environmental testing, chromogenic substrate and conjugate. Aldol 458 nonanoate solution (0.75 M) has high purity and is highly stable at pH 2-12. This product can be used as a chemiluminescence or bioluminescence substrate. The CAS number for this product is 2484873-15-4.</p>

<p>Water soluble, chromogenic substrate for visualizing alkaline phosphatase activity. Produces a blueinsoluble end product that is detected visually when used together with nitroblue tetrazolium. The substrate system is versatile and functions in a variety of applications, including Northern, Southern, and Western blotting, in situhybridization, ELISAs and immunohistochemistry.</p>

<p>4-Nitrophenyl myristate (NphOMy) is a chromogenic enzyme substrate used as a diagnosis tool for detection of β-lactamase hydrolysis activities. In the presence of certain drugs, 4-nitrophenyl myristate HSA-Tyr411-catalyzed hydrolysis seems to be inhibited.</p>

<p>5-Bromo-4-chloro-3-indolyl β-L-fucopyranoside (X-Fuc) is a chromogenic substrate specifically designed for the identification and detection of fucosidase enzyme activity. Upon cleavage by fucosidase, it generates a blue-colored 5-Bromo-4-chloro-3-hydroxy-indole precipitate, which can be easily observed under a microscope or spectrophotometer. This feature makes X-Fuc an invaluable tool across various applications, such as biochemical analysis, histochemical staining, cell biology, and enzyme kinetic assays. By providing a fast, sensitive, and reliable readout for fucosidase activity, 5-Bromo-4-chloro-3-indolyl β-L-fucopyranoside facilitates essential research in the understanding of biological processes and the development of therapeutic interventions.</p>

<p>Chromogenic substrate for β-D-galactosidase yielding a precipitate. Mostly used in histochemistry.</p>

<p>Aldol® 515 4-acetoxybutyrate solution, 0.75 M in DMSO, is a chromogenic substrate that can be used to measure the activity of aldolase. It is a liquid at room temperature and has a pH of 7.2. The Aldol® 515 4-acetoxybutyrate solution, 0.75 M in DMSO, is soluble in water and organic solvents such as DMSO and ethanol. This product does not contain any preservatives or additives and is suitable for use with humans and animals. Aldol® 515 4-acetoxybutyrate solution, 0.75 M in DMSO, is manufactured by Cymit Quimica under patents EP 2427431 and US 8940909.br&gt;br&gt;<br>Aldolase catalyzes the conversion of dihydroxyacetone phosphate (DHAP) to glyceraldehyde 3-phosphate</p>

<p>The maunfacturing of blue jeans started 150 years ago as workwear, and are found nowadays in almost every wardrobe. Their renowned indigo color tone is truly unique; nevertheless, the high demand for the dye poses serious sustainability and environmental problems connected with its manufacturing process. Recently, a group of scientists presented an alternative indigo dyeing method inspired by the indoxyl glucoconjugate present in the plant P.tinctorium. The researchers proposed as an alternative approach a biocatalytic process using recombinant E.coli to access water soluble β-gluco-indoxyl (indican). At the point of coloring, indican gets hydrolyzed by β-glucosidase enzymes forming indoxyl, which suddenly undergoes oxidation to leucoindigo and further crystallizes to indigo giving the typical blue denim its signature character.</p>

<p>2-Nitrophenyl b-D-fucopyranoside is a chromogenic substrate used in various enzymatic assays to detect the presence of fucosidase enzymes. It consists of a nitrophenyl group attached to a fucose sugar molecule. When acted upon by enzymes such as fucosidases, it releases the colored nitrophenyl group, which can be detected using spectrophotometry.</p>

<p>Aldol 518 Palmitate is a high purity and high quality, bioluminescent substrate for use in diagnostic applications. Aldol 518 Palmitate is an enzyme substrate that is used for the detection of hydrogen peroxide through chemiluminescence or bioluminescence. It can be used in the diagnosis of bacterial infections and to test food products for spoilage. The enzyme substrate has a CAS number of 646-12-2.</p>

<p>4-Nitrophenyl N,N'-diacetyl-beta-D-chitobioside is a chromogenic substrate for chitinase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl N,N'-diacetyl-beta-D-chitobioside is used in different applications such as the Fungal infection detection, chitin degradation assays</p>

<p>Naphthol AS-BI N-acetyl-beta-D-glucosaminide is a fluorogenic substrate for the pararosaniline-glyoxalase (PG) reaction. This substrate is used to study enzymatic activity in two human isoenzymes of PG, PG I and PG II. The conversion of this substrate by PG I or PG II results in a color change from yellow to red. Naphthol AS-BI N-acetyl-beta-D-glucosaminide may be used as an experimental tool to measure the activity of these enzymes and to study the effect of inhibitors on their activity. It can also be used as a marker for studying enzyme transfer between cells.</p>

<p>2-Nitrophenyl 2-acetamido-2-deoxy-alpha-D-glucopyranoside is a chromogenic substrate used to assay the activity of enzymes that cleave N-acetyl-alpha-D-glucosaminide, such as chitinases and lysozymes. Upon cleavage by the enzyme of interest, the substrate releases a yellow-colored 2-nitrophenol that can be measured spectrophotometrically. This substrate is widely used in the food industry to monitor the activity of lysozyme in cheese, as well as in biomedical research for studying cellular and molecular mechanisms involved in conditions such as inflammation and cancer.</p>

<p>Chromogenic substrate for N-acetyl-β-D-glucosaminidase yielding a blue precipitate. Contained in certain mycological culture media. Used in histochemistry.</p>

<p>3-Indoxyl caprylate is a chemiluminescent substrate that is used in the detection of bacteria. It has been shown to be a very sensitive and selective fluorogenic substrate for the detection of bacterial activity, which can be used with an appropriate enzyme reaction. 3-Indoxyl caprylate has also been shown to be a potent quencher of bioluminescence, and can be used as a chromogenic substrate in diagnostic assays. 3-Indoxyl caprylate is often used as a culture media supplement or food additive to enhance its growth properties. It has been found to have high purity and quality levels, making it suitable for use in diagnostics and research.</p>

<p>Substrate for horseradish peroxidase</p>

<p>5-Bromo-4-chloro-3-indoxyl-beta-D-xylopyranoside is a fluorogenic substrate that can be used to measure the activity of bacterial esterases. The enzyme cleaves the xylose moiety from 5-bromo-4-chloro-3-indoxyl, yielding indoxyl as an intermediate product. This reaction can be catalyzed by esterases found in bacteria, which hydrolyze esters containing a single hydroxyl group at one end and a carboxylic acid or alcohol at the other end. Indoxyl is fluorescent and can be detected using a fluorimeter. 5BX is also chromogenic, so it can be used as an enzyme substrate for detecting beta galactosidase activity in bacteria such as Mycobacterium smegmatis or Escherichia coli.<br>5BX is also used to detect chemilumines</p>

<p>6-Chloro-3-indolyl 2-acetamido-2-deoxy-b-D-glucopyranoside is a pink enzyme substrate commonly used in biochemical research and diagnostic applications. This compound is a derivative of indolyl glucopyranoside, which is known for its ability to produce a colored product upon enzymatic hydrolysis. 6-Chloro-3-indolyl 2-acetamido-2-deoxy-b-D-glucopyranoside is particularly useful for studying glycosidases, enzymes that cleave glycosidic bonds in complex carbohydrates. Its pink coloration makes it an ideal choice for colorimetric assays, enabling researchers to monitor enzyme activity in real-time and facilitating the development of new diagnostic tools and therapeutic strategies.</p>

<p>Aldol® 515 propionate is a chromogenic substrate for many enzymes, including beta-galactosidase, β-glucuronidase, α-galactosidase, β-galactosidase, and acid phosphatase. It can be used as a substrate in the detection of staining and enzyme activity in diagnostic testing. Aldol® 515 propionate has been shown to be an effective ligand for the protein Glu-C.</p>

<p>Aldol® 514 inositol-phosphate is a chromogenic enzyme substrate used for detection of phosphatidylinositol specific phospholipase C (PI-PLC, EC 4.6.1.13). The colorless enzyme substrate is cleaved by PI-PLC positive microorganisms, yielding a red-orange color. The substrate thus enables the detection and identification of various bacteria, such as, pathogenic strains of Listeria, Clostridium, Bacillus, and Staphylococcus. Aldol® 514 inositol-phosphate is suitable for use under aerobic and anaerobic conditions.</p>

<p>Chromogenic substrate for beta-glucuronidase</p>

<p>2,4-Dinitrophenyl 2-deoxy-2-fluoro-β-D-glucopyranoside, sometimes referred as 2F-DNPG, is an enzyme substrate for measuring beta-glucosidase activity. It is a mechanism-based inactivator of glycosidases, including beta-glucocerebrosidase (Gcase), a lysosomal enzyme encoded by the GBA1 gene responsible for breaking down glucosylceramide into ceramide and glucose. The use of 2,4-dinitrophenyl 2-deoxy-2-fluoro-β-D-glucopyranoside as an enzyme substrate permits the study of the catalytic mechanism and reaction intermediate of these enzymes.</p>

<p>5-Bromo-4-chloro-3-indoxyl-beta-D-glucuronic acid, sodium salt anhydrous is a potent inhibitor of histidine decarboxylase (HDC). It is used in the histochemical staining of dehydrogenase and effector proteins in urine samples. This compound has been shown to inhibit the growth of macroalgae and can be used as a selective agent for phylogenetic tree construction. 5BDG,Sr with its high specificity for HDC, also inhibits cell proliferation in plant cells and ovules.</p>

<p>Chromogenic substrate for beta-galactofuranosidase</p>

<p>5-Bromo-6-chloro-3-indolyl-2-acetamido-2-deoxy-a-D-glucopyranoside is a chemiluminescent substrate that is used as an indicator in diagnostic tests. This compound reacts with an oxidizing agent, such as hydrogen peroxide, to generate light. It is also used as a chromogenic substrate for the detection of bioluminescence and it can be applied in culture media or food testing. 5Bromo-6Chloro-3Indolyl2Acetamido2DeoxyA1DGlucopyranoside has a CAS number, which means that it meets the standards set by the Chemical Abstracts Service. It also has a high purity and quality, making it suitable for use in laboratories.</p>

<p>This powerful chromogenic substrate is designed specifically for the assay and detection of a-L-fucosidase enzyme activity. With a unique combination of bromo, chloro, and indolyl moieties, it offers enhanced stability and promotes color development that is unparalleled in clarity and intensity. Ideal for biochemistry, molecular biology, and related life sciences applications, this substrate provides unmatched performance and reliability for all your a-L-fucosidase enzyme research needs.</p>

<p>4-Nitrophenyl beta-D-xylobioside is a chromogenic substrate for xylanase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl beta-D-xylobioside is used in different applications such as the Xylan degradation studies, paper/pulp industry applications</p>

<p>a-Naphthyl phosphate disodium salt hydrate is a highly water-soluble chromogenic substrate used to determine phosphatase activity in research and analytical applications, particularly for staining and differentiating acid and alkaline phosphatases.</p>

<p>Chromogenic substrate for beta-glucuronidase</p>

<p>6-Chloro-3-indolyl b-D-glucuronide sodium salt is a chromogenic substrate for beta-glucuronidase, a reporter gene used to monitor gene expression by detecting the enzyme's activity. It yields a salmon colored precipitate upon cleavage.</p>

<p>2-Chloro-4-nitrophenyl alpha-D-mannopyranoside is a substrate used to measure the alpha-mannosidase activity. This enzyme plays a crucial role in the lysosomal degradation of asparagine-linked carbohydrate cores of glycoproteinsis. The use of 2-Chloro-4-nitrophenyl alpha-D-mannopyranoside in diagnostic assays is important as a deficiency in alpha-mannosidase leads to the accumulation of mannose-rich oligosaccharides in lysosomes, causing a range of health problems collectively known as alpha-mannosidosis.</p>

<p>4-Nitrophenyl β-D-ribofuranoside is a synthetic chromogenic molecule designed to profile phosphorolytic enzyme activity, specifically ribonucleoside-hydrolyzing enzymes. Upon hydrolysis by these enzymes, it releases a 4-nitrophenolic compound, which can be monitored spectrophotometrically at 405-410 nm as a quantitative indicator of enzyme activity. This substrate is suitable for studying ribonucleoside-hydrolyzing enzymes, such as ribo- and deoxyribonucleases, in various biological systems and, in turn, could help advance our understanding of nucleic acid metabolism, gene function, and regulatory processes.</p>

<p>Chromogenic β-Glucosaminidase substrate yielding a yellow absorbent solution upon cleavage.</p>

<p>Aldol® 518 alpha-D-glucopyranoside is a fluorogenic enzyme substrate used for detection of alpha-D-glucosidase activity. The colorless enzyme substrate is cleaved by alpha-D-glucosidase, generating red fluorescent signal and in some conditions, an orange colour in the visible spectrum can get formed, staining bacterial colonies in faint orange coloration. Aldol® 518 alpha-D-glucopyranoside can be used under aerobic and anaerobic conditions.</p>

<p>Aldol® 518 myo-inositol phosphate is a chromogenic and fluorogenic enzyme substrate used for detection of phosphatidylinositol specific phospholipase C (PI-PLC, EC 4.6.1.13) activity. The colorless enzyme substrate is cleaved by PI-PLC positive microorganisms grown in liquid or solid media, yielding intense red color. In combination with Aldol® 355 fluorescence enhancer, red fluorescence can also be obtained. Aldol® 518 myo-inositol phosphate thus enables the detection and identification of various bacteria, such as, pathogenic strains of Listeria, Clostridium, Bacillus, and Staphylococcus species. Aldol® 518 myo-inositol phosphate is suitable for use under aerobic and anaerobic conditions.</p>

<p>4-Nitrophenyl 2-O-trans-feruloyl-alpha-L-arabinofuranoside is a chromogenic substrate for alpha-L-arabinofuranosidase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl 2-O-trans-feruloyl-alpha-L-arabinofuranoside is used in different applications such as the Plant biomass analysis, bacterial arabinan degradation assays</p>

<p>Chromogenic substrate for β-D-glucosidase. Yields a red precipitate upon cleavage.</p>

<p>Chromogenic cephalosporin substrate for the detection of beta-lactamase activity</p>

<p>X-Gal is a chromogenic substrate for β-galactosidase, yielding a blue precipitate. X-Gal is an indicator for coliforms in culture media, as well as for the detection of coliforms (E. coli) in municipal water supplies and food products. X-Gal can be used in conjunction with the inducer IPTG, which binds and inhibits the lac repressor thus inducing β-galactosidase expression. X-Gal is the substrate of choice for blue-white selection of recombinant bacterial colonies with the lac+ genotype.<br>Upon hydrolysis, X-Gal yields a localized, insoluble, blue precipitate, making it exceptionally useful in blotting, immunocytochemical, and ELISA assays. 5-Bromo-4-chloro-3-indoxyl-beta-D-galactopyranoside (X-beta-D-galactoside, X-Gal) 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 blue-green colored precipitate.<br>X-Gal can also be used as a detecting agent for beta-galactosidase activity in reporter gene assays or for identification of positive transformants on agar plates when using the &amp;alpha;-complementation approach. Color formation is due to dimerization and oxidation of 5-bromo-4-chloro-3-hydroxyindole which results from enzymatic cleavage of X-Gal. The reaction proceeds only in the presence of oxygen, i.e. in aerobic cultures. Well detectable color bacterial colonies or liquid cultures is obtained within 16-48 h. In the presence of purified beta-galactosidase, color develops within minutes to a few hours.</p>

<p>Chromogenic α-maltosidase substrate yielding a yellow solution upon cleavage.</p>

<p>Chlorophenol red-b-D-galactopyranoside sodium salt is the salt from of CPRG (chlorophenol red-b-D-galactopyranoside), that has a higher solubility. It is a chromogenic substrate for beta-galactosidases that, after enzymatic cleavage, releases chlorophenol red, a dark red compound quantified by absorbance at 570 nm.</p>

<p>4-Nitrophenyl 6-O-(b-D-galactopyranosyl)-b-D-galactopyranoside is a fluorescent substrate that is used in diagnostics and culture media. It can be used to detect the presence of aminoglycoside antibiotics, such as gentamicin, by using the fluorogenic or chromogenic reaction. 4NP6BG has been shown to bind to the beta subunit of RNA polymerase and inhibit transcription, which can be useful for testing environmental samples for the presence of aminoglycosides.</p>

<p>8-Hydroxyquinoline-beta-D-glucuronic acid, sodium salt is a fluorogenic substrate that can be used for enzymatic detection of peroxidase. The substrate is available in a variety of forms, including powder and liquid. This product has been tested for environmental and bioluminescence activity, as well as food safety. It has also been shown to be a useful ligand in immunoassays.</p>

<p>2-Nitrophenyl alpha-D-galactopyranoside is a chromogenic substrate used to detect the enzymatic activity of alpha-galactosidase. After cleavage, the nitrophenyl moiety is released exhibiting a light yellowish color. 2-Nitrophenyl alpha-D-galactopyranoside is used in Fabry disease screening.</p>

<p>Chromogenic substrate for β-D-Cellobiosidase yielding a yellow solution upon cleavage.</p>

<p>N-Acetylmemantine is a drug that inhibits the activity of acetylcholinesterase in the brain. It has been shown to inhibit cancer cell growth and induce apoptosis, as well as inhibit the reaction of hydrolysis of acetonitrile with hydrochloric acid in an organic solvent. N-Acetylmemantine is synthesized by heating ethylene in the presence of hydrochloric acid. The synthesis yields a white solid that consists mainly of N-acetylmethamphetamine. This drug interacts with cellular membranes, which may be due to its ability to react with cholesterol or phospholipids. The interaction leads to changes in membrane permeability, which can result in apoptosis.</p>

<p>Chromogenic beta-maltosidase substrate</p>

<p>4-Nitrophenyl O-(N-acetyl-a-neuraminosyl)-(2,3)-O-b-D-galactopyranosyl-(1,3)-2-acetamido-2-deoxy-a-D-galactopyran oxide is a fluorogenic substrate that is used in the detection of glycosidases. It has been shown to be an excellent ligand for the enzyme beta galactosidase, which cleaves the glycan substrate 4NPOBGPA into 4NP and O-(N acetyl) neuraminic acid. 4NPOBGPA can be used as a chromogenic substrate for detecting beta galactosidase activity and can also be conjugated to other fluorescent molecules. This product is high purity and high quality.</p>

<p>5-Bromo-6-chloro-3-indolyl acetate is a chromogenic substrate that yields a magenta-colored product after cleavage. The chromophore 5-bromo-6-chloro-indoxyl is released, generating the observable color. It is used in bacterial esterase detection (e.g. Staphylococcus spp.).</p>

<p>Please enquire for more information about 5-Nitro-3-indoxyl-β-D-galactopyranoside including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Aldol® 515 beta-D-xylopyranoside is a chemiluminescent ligand that can be used for the detection of beta-xylosidase activity to yield a red color.</p>

<p>A chromogenic substrate for β-galactosidase.</p>

<p>6-Chloro-3-indoxyl palmitate is a high quality, pure chemical reagent that can be used as a substrate for enzyme activity. It is a chromogenic substrate that is used in the detection of esterase activity. 6-Chloro-3-indoxyl palmitate is also used as a fluorogenic substrate in the presence of horseradish peroxidase and hydrogen peroxide to produce chemiluminescence. 6-Chloro-3-indoxyl palmitate has been shown to be an effective bioluminescent substrate for luciferase enzymes, such as firefly luciferase and Renilla luciferase.</p>

<p>3-Indolyl 2-acetamido-2-deoxy-b-D-glucopyranoside is a substrate used for the detection of the enzyme N-acetylglucosaminidase (NAG). The enzyme hydrolyzes the NAG conjugate, releasing indole that can be detected through a colorimetric assay. This method is commonly used in clinical chemistry to evaluate kidney function, as NAG is excreted in urine and increased levels may indicate renal injury or disease. The indole NAG assay is also used in microbiology to detect the presence of NAG-producing bacteria.</p>

<p>Naphthol AS-D is a diagnostic chemical for phosphatase enzymes and is used to stain cells, tissues, and body fluids for diagnosis. The chemical reacts with the amino groups of proteins in cells and produces a brown color. Naphthol AS-D is not toxic to living cells in concentrations below 5%. It stains basophilic leukemia cells as well as brain cells. This chemical can be used to diagnose cutaneous lesions, such as psoriasis or melanoma, which are difficult to diagnose by standard methods.  present in these lesions and produce a brown color.</p>

<p>3-Indolyl 2-acetamido-2-deoxy-b-D-galactopyranoside is a fluorogenic substrate that reacts with the enzyme β-galactosidase to produce a blue product. This product can be used to diagnose the presence of β-galactosidase in culture media, as well as in food and environmental testing. 3IAG is also a chromogenic substrate that can be used for detection of β-galactosidase activity.</p>

<p>6-Chloro-3-indoxyl-beta-D-glucuronic acid methyl ester is a chromogenic substrate that can be used for the detection of indoxyl glucuronide in urine and other biological fluids. 6-Chloro-3-indoxyl-beta-D-glucuronic acid methyl ester is a white or light yellow crystalline solid that is soluble in water. It has a melting point of about 80°C and is stable at pH levels ranging from 2 to 12. The CAS number for this compound is 13982-87-6.</p>

<p>4-Chloro-3-indoxyl-1,3-diacetate is a fluorogenic or chromogenic substrate used in food testing. It is also an enzyme substrate that can be used to detect the presence of bioluminescence. 4-Chloro-3-indoxyl-1,3-diacetate has been shown to have high purity and high quality for use in diagnostic kits. 4-Chloro-3-indoxyl-1,3-diacetate is a ligand that is conjugated with other molecules to form complexes for use in fluorescence and chemiluminescence experiments.</p>

<p>Chromogenic substrate for carboxylesterase yielding a salmon colored precipitate upon cleavage. Mainly used in histochemistry.</p>

<p>Aldol® 495 nonanoate is a chromogenic and fluorogenic enzyme substrate used for detection of lipase activity. The colorless enzyme substrate is cleaved by C9 esterases, yielding development of an orange coloration. In addition, green fluorescence is generated when Aldol® 355 fluorescence enhancer or a suitable matrix is present. Aldol® 495 nonanoate can be used in enzyme assays and live bacterial cultures. Aldol® 495 nonanoate is suitable for use in liquid and solid media, under aerobic as well as anaerobic conditions.</p>

<p>2-Nitrophenyl-beta-D-galactopyranoside is a non-animal origin chromogenic substrate for the detection of beta-galactosidase activity. It is used in food testing, diagnostics, and environmental testing. 2-Nitrophenyl-beta-D-galactopyranoside is also used as a ligand in enzyme assays and a fluorogenic substrate for chemiluminescent reactions. This product is conjugated to HRP.</p>

<p>5-Bromo-3-indolyl 2-acetamido-2-deoxy-b-D-glucopyranoside is a lapis substrate, a chromogenic substrate that yields a deep blue color after cleavage. It is used in lysosomal storage disorder screening such as for Sanfilippo syndrome.</p>

<p>1-Naphthyl b-D-galactopyranoside is a chromogenic substrate used to detect the presence of beta-galactosidase enzymes. The enzyme cleaves the substrate to produce a colored product that can be quantified and visualized. This substrate is commonly used in applications such as the detection of lacZ gene expression in bacterial colonies or in histochemical staining of tissues to identify beta-galactosidase activity.</p>

<p>Chromogenic substrate for α-D-glucosidase yielding a yellow solution upon cleavage. Also used for the detection of glucansucrases and for yeast α-D-glucosidase and for studies of the crystal structure of the complexes of concanavalin A.</p>

<p>Chromogenic substrate for aryl-sulfatase. Yields a blue precipitate upon cleavage.</p>