Substrati cromogenici
I substrati cromogeni sono composti che producono un cambiamento di colore visibile quando vengono metabolizzati da specifici enzimi. Questi substrati sono ampiamente utilizzati nei test diagnostici, nella ricerca biochimica e negli immunoassay enzimatici (ELISA) per rilevare e quantificare l'attività enzimatica. Il cambiamento di colore consente una facile e rapida identificazione visiva delle reazioni enzimatiche, rendendo i substrati cromogeni strumenti essenziali nell'analisi di laboratorio. Presso CymitQuimica, offriamo una vasta selezione di substrati cromogeni di alta qualità per supportare le vostre applicazioni di ricerca e diagnostica.
Trovati 712 prodotti di "Substrati cromogenici"
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6-Bromo-2-naphthyl b-D-glucuronide
CAS:6-Bromo-2-naphthyl beta-D-glucuronide is a substrate for beta-glucuronidase, an enzyme involved in detoxification and bacterial metabolism. Upon enzymatic hydrolysis, it releases 6-bromo-2-naphthol, which forms a detectable dye when reacted with diazonium salts. This compound is widely used in microbiology to detecting E. coli in water testing and histochemical staining. 6-Bromo-2-naphthyl beta-D-glucuronide is also been used in cancer research studies. It has been found that some tumors are related to a high activity of beta-glucuronidase, responsible to reactivate the carcinogens and promote tumor progression, developing a drug resistance to chemotherapy.Formula:C16H15BrO7Purezza:Min 97%Colore e forma:White Off-White PowderPeso molecolare:399.2 g/mol1-Naphthyl β-D-mannopyranoside
CAS:1-Naphthyl β-D-mannopyranoside is a chromogenic (also fluorogenic) substrate. After cleavage, 1-naphthol is released and is used to quantify beta-mannosidase activity.Formula:C16H18O6Purezza:Min. 95%Colore e forma:PowderPeso molecolare:306.31 g/molN-(3-Sulfopropyl)-3,3',5,5'-tetramethylbenzidine sodium
CAS:N-(3-Sulfopropyl)-3,3',5,5'-tetramethylbenzidine (TMB) sodium salt is a highly sensitive chromogenic substrate used for the detection and quantification of peroxidase enzyme activity. This water-soluble substrate undergoes a color change from colorless to blue upon oxidation by peroxidase enzymes in the presence of hydrogen peroxide. The reaction can be stopped by adding an acid, resulting in a yellow color that can be measured spectrophotometrically. TMB sodium salt is widely used in various applications, including enzyme-linked immunosorbent assays (ELISA), immunohistochemistry, and other diagnostic tests, due to its high sensitivity, low background signal, and excellent stability.
Purezza:Min. 95%Colore e forma:PowderPeso molecolare:384.47 g/mol4-Nitrophenyl 2-acetamido-3-O-(2-acetamido-2-deoxy-b-D-glucopyranosyl)-2-deoxy-a-D-galactopyranoside
CAS:4-Nitrophenyl 2-acetamido-3-O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)-2-deoxy-alpha-D-galactopyranoside is a chromogenic substrate for alpha-galactosidase. Upon hydrolysis, para-nitrophenol is released yielding a yellowish colour. 4-Nitrophenyl 2-acetamido-3-O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)-2-deoxy-alpha-D-galactopyranoside is used in different applications such as the Fabry disease diagnosis, glycolipid metabolism studiesPurezza:Min. 98 Area-%Colore e forma:White PowderPeso molecolare:545.49 g/molAldol® 495 nonanoate solution, 0.75 M in DMSO, Biosynth Patent: EP 2427431 and US 8940909
CAS:Prodotto controllatoAldol® 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.Formula:C29H31ClN2O3Purezza:Min. 95%Peso molecolare:491.02 g/molAldol® 458 nonanoate solution, 0.75 M in DMSO, Biosynth Patent: EP 2427431 and US 8940909
CAS:Prodotto controllatoAldol 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.Formula:C25H29NO4Purezza:Min. 95%Colore e forma:Clear LiquidPeso molecolare:407.51 g/mol4-Nitrophenyl N,N',N''-triacetyl-b-D-chitotriose
CAS:Substrate for determining hydrolytic activity of chitinasePurezza:Min. 95%Colore e forma:White PowderPeso molecolare:748.69 g/mol2-O-(4-Nitrophenyl)-a-D-N-acetylneuraminic acid sodium salt
CAS:2-O-(4-Nitrophenyl)-alpha-D-N-acetylneuraminic acid sodium salt is a chromogenic substrate used to detect the enzymatic activity of neuraminidase or sialidase. After cleavage, the nitrophenyl moiety is released exhibiting a light yellowish color. 2-O-(4-Nitrophenyl)-alpha-D-N-acetylneuraminic acid sodium salt is used in bacterial neuraminidase activity assays.Purezza:Min. 95%Colore e forma:Yellow PowderPeso molecolare:452.35 g/molAldol® 470 acetate, Biosynth Patent: EP 2427431 and US 8940909
CAS:Prodotto controllatoAldol® 470 acetate is a Fluorogenic substrate that is used in enzymatic reactions to produce a fluorescent product. Aldol® 470 acetate can be used as a ligand or a chromogenic substrate. This product is also used in diagnostic tests, such as conjugates and chemiluminescence, to detect the presence of certain enzymes or microorganisms. It can be used in culture media to measure the amount of certain enzymes, such as phosphatases or proteases, and has been shown to have high purity and quality. This product has CAS No. 1318785-37-3, 1318785-38-4, 1318785-39-5, 1318785-40-6 and 1318785-41-7.
Formula:C25H21NO5Purezza:Min. 95%Colore e forma:PowderPeso molecolare:415.44 g/mol4-Nitrophenyl myristate
CAS: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.Formula:C20H31NO4Purezza:Min. 95 Area-%Colore e forma:White PowderPeso molecolare:349.46 g/molAldol® 470 beta-D-galactopyranoside, Biosynth Patent: EP 2427431 and US 8940909
CAS:Aldol® 470 beta-D-galactopyranoside is a chromogenic and fluorogenic enzyme substrate used for detection of beta-galactosidase activity. The colorless enzyme substrate is cleaved by lactose-utilizing bacteria grown in liquid or solid media, yielding yellow coloration and green fluorescence. Aldol® 470 beta-D-galactopyranoside can also be used in beta-galactosidase gene reporter assays or immunoassay applications (ELISA). Aldol® 470 beta-D-galactopyranoside can be used under aerobic and anaerobic conditions.Formula:C29H29NO9Purezza:Min. 95 Area-%Colore e forma:PowderPeso molecolare:535.54 g/molAldol® 515 beta-D-xylopyranoside, Biosynth Patent: EP 2427431 and US 8940909
CAS: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.
Formula:C28H34N2O6Purezza:Min. 95%Colore e forma:PowderPeso molecolare:494.59 g/mol2-Nitrophenyl-beta-D-galactopyranoside
CAS:Chromogenic β-galactosidase substrate yielding a yellow solution upon cleavage. Can be used for the detection of coliforms due to their beta-galactosidase activity.Formula:C12H15NO8Purezza:Min. 99.0 Area-%Peso molecolare:301.26 g/molAldol® 515 4-acetoxybutyrate solution, 0.75 M in DMSO, Biosynth Patent: EP 2427431 and US 8940909
CAS:Prodotto controllatoAldol® 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>br> Aldolase catalyzes the conversion of dihydroxyacetone phosphate (DHAP) to glyceraldehyde 3-phosphateFormula:C29H28N2O5Purezza:Min. 95 Area-%Peso molecolare:484.54 g/mol4-Nitrophenyl phosphate mono(2-amino-2-ethyl-1,3-propanediol) salt monohydrate
CAS: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.Formula:C11H21N2O9PPurezza:Min. 95 Area-%Peso molecolare:356.26 g/mol2-Chloro-4-nitrophenyl a-D-maltotrioside
CAS:2-Chloro-4-nitrophenyl a-D-maltotrioside (2CNP) is a potent hypoglycemic agent that has been shown to decrease postprandial blood glucose levels in humans. 2CNP is a white crystalline solid that is soluble in water and ethanol. The transfer reactions of 2CNP are enhanced by benzalkonium chloride, which forms an organic complex with the drug. The optimum concentration for the hypoglycemic effect of 2CNP is determined to be 10 μM, which can be detected using an optical sensor. This compound also inhibits α-amylase and other enzymes involved in carbohydrate metabolism, leading to the accumulation of glycogen and lowering the blood glucose level.
Formula:C24H34CiNO18Purezza:Min. 95%Colore e forma:Off-White Yellow PowderPeso molecolare:659.98 g/mol6-Bromo-2-naphthyl b-D-glucopyranoside
CAS:6-Bromo-2-naphthyl b-D-glucopyranoside is an enzyme substrate used in chromogenic assays with beta-glucosidases. It has been used in culture media for the identification of Legionella pneumophila.Formula:C16H17BrO6Purezza:Min. 98 Area-%Colore e forma:PowderPeso molecolare:385.21 g/mol5-Bromo-4-chloro-3-indoxyl phosphate, dipotassium salt
CAS:Also known as BCIP; can be used for visualization of phosphatase labelled antibodies on Western blots. This method quickly became extremely popular in diagnostics and biology research.Formula:C8H4BrClK2NO4PColore e forma:Brown Off-White PowderPeso molecolare:402.65 g/mol4-Nitrophenyl a-L-arabinopyranoside
CAS:Substrate for a-L-arabinopyranosidaseFormula:C11H13NO7Purezza:Min. 98 Area-%Colore e forma:White PowderPeso molecolare:271.22 g/mol2-Chloro-4-nitrophenyl b-D-maltoheptaoside
CAS: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.Purezza:Min. 95%Peso molecolare:1,308.54 g/mol
