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Substrati cromogenici

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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  • 4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-a-D-mannopyranoside

    CAS:
    4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-a-D-mannopyranoside is a highly sensitive and efficient chromogenic substrate designed for the detection and quantification of α-D-mannosidases. These enzymes play a crucial role in the degradation and metabolism of glycoproteins and glycolipids, thus having high importance in biotechnology and biochemical research. When acted upon by α-D-mannosidase, this substrate releases a bright yellow product, 4-nitrophenol, which is easily measured spectrophotometrically at 405 nm. This enables quick and accurate analysis in various applications such as enzyme kinetics, inhibitor screening, and activity assays.
    Purezza:Min. 95%
    Peso molecolare:469.4 g/mol

    Ref: 3D-EN16817

    1g
    609,00€
    2g
    1.003,00€
    5g
    1.814,00€
    250mg
    304,00€
    500mg
    390,00€
  • 4-Nitrophenyl 2-acetamido-2-deoxy-4,6-O-p-methoxybenzylidene-a-D-galactopyranoside

    CAS:
    4-Nitrophenyl 2-acetamido-2-deoxy-4,6-O-p-methoxybenzylidene-a-D-galactopyranoside is a chromogenic substrate designed for the detection and quantification of enzyme activity. This methoxybenzylidene-protected compound is specifically designed to be cleaved by enzymes, releasing a yellow 4-nitrophenol product that can be easily measured spectrophotometrically. This allows for accurate and sensitive analysis of enzyme kinetics, inhibition studies, and substrate specificity determination in various applications.
    Purezza:Min. 95%
    Peso molecolare:460.43 g/mol

    Ref: 3D-EN06446

    5mg
    305,00€
    10mg
    307,00€
    25mg
    480,00€
  • 2,4-Dinitrophenyl b-L-arabinofuranoside


    2,4-Dinitrophenyl b-L-arabinofuranoside is a high quality chromogenic substrate for dinitrophenylase. It is a ligand that reacts with an enzyme to form a product that can be detected by various methods, including colorimetry and fluorimetry. 2,4-Dinitrophenyl b-L-arabinofuranoside has shown to be useful for the detection of organic contaminants in water and air. 2,4-Dinitrophenyl b-L-arabinofuranoside is also used as a reagent for the preparation of conjugates for immunoassays.
    Purezza:Min. 95%
    Peso molecolare:628.54 g/mol

    Ref: 3D-ED34876

    50mg
    1.381,00€
    100mg
    1.833,00€
    250mg
    3.717,00€
    500mg
    Prezzo su richiesta
  • 4-Bromo-2-nitrophenyl b-D-galactopyranoside


    4-Bromo-2-nitrophenyl b-D-galactopyranoside is a chemiluminescent substrate that reacts with an excess of luciferase to produce light. It is used as a reagent in the detection of ATP, NADH, and other compounds in biochemistry and biology. 4-Bromo-2-nitrophenyl b-D-galactopyranoside is also used in diagnostic kits for detecting bacterial or fungal contamination in food.

    Formula:C12H14BrNO8
    Purezza:Min. 95%
    Peso molecolare:380.15 g/mol

    Ref: 3D-EB15719

    1g
    928,00€
    100mg
    305,00€
    250mg
    369,00€
    500mg
    574,00€
  • N-Acetyl-L-serine p-nitroanilide


    N-Acetyl-L-serine p-nitroanilide is a fluorescent probe used for the detection of glucose in urine. It has a high purity and is suitable for use as a substrate for many enzymes, including alkaline phosphatase, β-galactosidase, and peroxidase. N-Acetyl-L-serine p-nitroanilide has been shown to be an excellent indicator of bacterial growth in culture media.

    Formula:C11H12N2O6
    Purezza:Min. 95%
    Colore e forma:White powder.
    Peso molecolare:268.22 g/mol

    Ref: 3D-EA31320

    1g
    3.725,00€
    2g
    4.470,00€
    5g
    5.587,00€
  • 4-Nitrophenyl 4,6-benzylidene-2-O-(2,3,4,6-tetra-O-[4-methoxybenzyl]-a-D-glucopyranosyl)-a-D-glucopyranoside


    4-Nitrophenyl 4,6-benzylidene-2-O-(2,3,4,6-tetra-O-[4-methoxybenzyl]-a-D-glucopyranosyl)-a-D-glucopyranoside is a fluorogenic substrate that is used in diagnostic assays to measure the activity of enzymes such as β–galactosidase and β–glucuronidase. It is also an enzyme substrate for culture media and chemiluminescence. This product has a CAS number of 57316-92-8.
    Purezza:Min. 95%
    Peso molecolare:1,088.02 g/mol

    Ref: 3D-EN04828

    1mg
    349,00€
    2mg
    480,00€
    500µg
    305,00€
  • Ostazin brilliant red H-3B hydroxyethylcellulose


    Ostazin brilliant red H-3B hydroxyethylcellulose is a chromogenic enzyme substrate that produces a bright red color upon reaction with specific enzymes. This substrate is particularly useful for the detection and visualization of enzyme activity in histochemical and cytochemical staining techniques. The vibrant red color produced by the reaction allows for easy observation and analysis of enzyme distribution and localization in cells and tissues. Ostazin brilliant red H-3B hydroxyethylcellulose is often used in combination with other substrates to study the presence and activity of multiple enzymes simultaneously, providing valuable insights into the complex interactions and functions of enzymes in biological systems.
    Purezza:Min. 95%

    Ref: 3D-EO164896

    1g
    560,00€
    2g
    942,00€
    5g
    1.993,00€
    500mg
    349,00€
  • 5-Bromo-3-indolyl a-D-mannopyranoside


    5-Bromo-3-indolyl a-D-mannopyranoside is a chromogenic substrate that is used as an enzyme substrate for various spectrophotometric, fluorometric, or chemiluminescent assays. The 5-bromo group of the dye reacts with the active site of an enzyme to form a product that can be measured by spectrophotometry. This product can also be used as a fluorescent indicator in the presence of luciferase and ATP. 5-Bromo-3-indolyl a-D-mannopyranoside is also used to estimate bacterial counts during culture media preparation and it has been shown to inhibit the growth of Gram negative bacteria such as E. coli and Pseudomonas aeruginosa. This compound does not contain any heavy metals or toxic substances and it is highly soluble in water. It has been found to have no adverse effects on humans and other animals at concentrations up to 100

    Formula:C14H16BrNO6
    Purezza:Min. 95%
    Peso molecolare:374.18 g/mol

    Ref: 3D-EB06384

    10mg
    305,00€
    25mg
    384,00€
    50mg
    513,00€
  • 4-Nitrophenyl b-laminaritrioside

    CAS:
    4-Nitrophenyl b-laminaritrioside is a chemiluminescent substrate that reacts with hydrogen peroxide to produce light. It is used in the detection of bacteria and other microorganisms in culture media, food testing, and diagnostics. 4-Nitrophenyl b-laminaritrioside is also used as a chromogenic or fluorogenic substrate in enzyme assays.
    Purezza:Min. 95%
    Peso molecolare:625.53 g/mol

    Ref: 3D-EN02422

    10mg
    305,00€
  • 2-Nitrophenyl b-D-glucuronide

    CAS:
    2-Nitrophenyl-b-D-glucuronide is a chromogenic substrate used to detect the activity of beta-glucuronidase in various biological samples. Upon hydrolysis by the enzyme, the substrate releases 2-nitrophenol, which can be spectrophotometrically measured at 405 nm. The substrate is commonly used in clinical assays to evaluate liver and kidney function, as well as in drug metabolism studies. It is also used in environmental monitoring to assess the presence of microbial activity in soil and water samples. Overall, 2-Nitrophenyl-b-D-glucuronide is a widely used substrate with excellent sensitivity and specificity, making it a valuable tool in enzymology research and diagnostic testing.
    Purezza:Min. 95%
    Colore e forma:Off-white solid.
    Peso molecolare:315.23 g/mol

    Ref: 3D-EN04827

    1g
    2.037,00€
    50mg
    305,00€
    100mg
    341,00€
    250mg
    717,00€
    500mg
    1.206,00€
  • 1-Naphthyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranoside

    CAS:
    1-Naphthyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-b-D-glucopyranoside is a fluorogenic substrate for bacterial beta D glucosidase. It is used for measuring the enzyme activity in different types of culture media and in the detection of bacterial contamination in food and environmental samples. This product can be used to detect the presence of beta D glucosidase by measuring luminescence with a luminometer. 1NAAG can also be used as a chromogenic substrate or to conjugate with antibodies for use in immunoassays.br>
    Purezza:Min. 95%
    Peso molecolare:473.47 g/mol

    Ref: 3D-EN01840

    1g
    385,00€
    5g
    1.224,00€
    10g
    2.087,00€
  • 5-Bromo-6-chloro-3-indolyl palmitate

    CAS:

    5-Bromo-6-chloro-3-indolyl palmitate is a magenta enzyme substrate that is widely used in the study of lipase and esterase enzymes. This compound consists of an indole ring with bromine and chlorine atoms at positions 5 and 6, respectively, and a palmitate moiety esterified to the indolyl ring. The palmitate group is a long-chain fatty acid, making this substrate particularly useful for investigating enzymes that hydrolyze ester bonds in lipids. Upon cleavage by lipases or esterases, 5-Bromo-6-chloro-3-indolyl palmitate releases a magenta-colored product, which can be easily detected and quantified to measure enzyme activity.

    Purezza:Min. 95%
    Peso molecolare:484.9 g/mol

    Ref: 3D-EB30757

    1g
    804,00€
    2g
    1.344,00€
    100mg
    305,00€
    250mg
    457,00€
    500mg
    490,00€
  • 4-Nitrophenyl 3,4,6-tri-O-acetyl-b-D-galactopyranoside

    CAS:
    4-Nitrophenyl 3,4,6-tri-O-acetyl-b-D-galactopyranoside is a nucleic acid molecule that has been synthesized by recombinant expression in Corynebacterium glutamicum. It is a photosynthetic molecule and can be used to study the molecular basis of photosynthesis. The 4-nitrophenyl group on the sugar moiety confers resistance to degradation by nucleases. 4NP3,4,6GalAc has been shown to be capable of binding to proteins and polypeptides that are important for photosynthesis. This compound also has marginalizing effects on C. glutamicum strains that are used as expression vectors for recombinant protein production.
    Purezza:Min. 95%
    Peso molecolare:427.36 g/mol

    Ref: 3D-EN06835

    25mg
    432,00€
    50mg
    676,00€
    100mg
    1.069,00€
    250mg
    2.063,00€
    500mg
    3.725,00€
  • 4-Nitrophenyl O-(N-acetyl-a-neuraminosyl)-(2-3)-b-D-galactopyranosyl-(1-4)-2-acetamido-2-deoxy-b-D-glucopyranoside

    CAS:
    4-Nitrophenyl O-(N-acetyl-a-neuraminosyl)-(2-3)-b-D-galactopyranosyl-(1-4)-2-acetamido-2-deoxybDglucopyranoside is a fluorescent compound that has been used as a substrate in enzyme assays. It has been shown to be an effective ligand for the enzyme beta galactosidase, which hydrolyzes the substrate to produce 4nitrophenol and o-(Nacetyl)a-neuraminic acid. This product is CAS No. 501427-92-5 and can be used as a high purity, high quality reagent for conjugation.
    Purezza:Min. 95%
    Peso molecolare:795.7 g/mol

    Ref: 3D-EN46140

    1mg
    1.054,00€
    2mg
    1.338,00€
  • 4-Nitrophenyl 2-acetamido-3-O-(2,3,4,6-tetra-O-acetyl-b-D-galactopyranosyl)-2-deoxy-a-D-galactopyranoside

    CAS:

    4-Nitrophenyl 2-acetamido-3-O-(2,3,4,6-tetra-O-acetyl-b-D-galactopyranosyl)-2-deoxy-a-D-galactopyranoside is a chromogenic substrate designed for the detection and quantification of enzyme activity. This tetra-acetylated compound is specifically designed to be cleaved by enzymes, releasing a yellow 4-nitrophenol product that can be easily measured spectrophotometrically, allowing for accurate and sensitive analysis of enzyme kinetics and inhibition studies.

    Purezza:Min. 95%
    Peso molecolare:672.59 g/mol

    Ref: 3D-EN06440

    1mg
    305,00€
    2mg
    308,00€
    5mg
    481,00€
  • 4-Nitrophenyl 4,6-cyclohexylidene-b-D-mannopyranoside

    CAS:
    4-Nitrophenyl 4,6-cyclohexylidene-b-D-mannopyranoside is a fluorogenic substrate that can be used for the detection of β-glucosidase activity. It is a high purity product with a ligand that binds specifically to β-glucosidase. 4NPPM is an enzyme substrate that can be used in diagnostics for the detection of β-glucosidase activity and conjugate for chemiluminescence and bioluminescence. This product has been shown to react with glucose in the presence of hydrogen peroxide and luminol, emitting light when excited by ultraviolet light at 365 nm. 4NPPM also reacts with glucose oxidase to produce hydrogen peroxide, which then reacts with luminol, producing light. The CAS number for this compound is 102717-16-8.
    Purezza:Min. 95%
    Peso molecolare:381.38 g/mol

    Ref: 3D-EN03277

    1g
    1.803,00€
    50mg
    305,00€
    100mg
    341,00€
    250mg
    660,00€
    500mg
    1.046,00€
  • 4-Nitrophenyl 2-acetamido-2-deoxy-6-O-trityl-b-D-glucopyranoside


    4-Nitrophenyl 2-acetamido-2-deoxy-6-O-trityl-b-D-glucopyranoside offers unmatched versatility as a chromogenic pNP substrate for detecting b-D-glucopyranosidase activity. The substrate is specifically designed to produce a yellow 4-nitrophenol product upon enzyme hydrolysis, which can be measured using absorbance spectroscopy. The unique tritylated glucopyranoside group ensures improved compound stability and selectivity while providing ease of handling. This versatile substrate is ideal for a broad range of biochemical, research, and diagnostic applications.
    Purezza:Min. 95%
    Peso molecolare:584.62 g/mol

    Ref: 3D-EN04779

    10mg
    305,00€
    25mg
    330,00€
    50mg
    481,00€
  • 5-Bromo-4-chloro-3-indolyl a-L-arabinopyranoside


    This product is a fluorogenic substrate that reacts with the enzyme beta-galactosidase to produce a fluorescent product. It can be used in food testing, environmental testing, and diagnostics. The CAS number for this product is 609-33-2. This product is available in high purity and high quality.

    Formula:C13H13BrClNO5
    Colore e forma:Powder
    Peso molecolare:378.6 g/mol

    Ref: 3D-EB03316

    25mg
    167,00€
    50mg
    225,00€
    100mg
    375,00€
    250mg
    684,00€
    500mg
    1.072,00€
  • 4-Nitrophenyl 2,4,6-tri-O-acetyl-3-O-(2,3,4,6-tetra-O-acetyl-b-D-glucopyranosyl)-b-D-glucopyranoside

    CAS:
    4-Nitrophenyl 2,4,6-tri-O-acetyl-3-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-β-D-glucopyranoside is an advanced bifunctional chromogenic pNP substrate specifically tailored for the simultaneous detection and quantification of multiple glycosidase enzymes. This dual-action substrate undergoes cleavage by two separate enzymatic reactions, which increases the range and sensitivity of detection. The resulting 4-Nitrophenol release can be easily measured spectrophotometrically, providing rapid and reliable enzyme analysis for advanced enzymology studies, enabling new discoveries in biochemistry and biotechnology.
    Purezza:Min. 95%
    Peso molecolare:757.65 g/mol

    Ref: 3D-EN04802

    1mg
    308,00€
    2mg
    424,00€
    500µg
    305,00€
  • [2-Methoxy-4-(2-nitrovinyl)phenyl] b-D-galactopyranoside

    CAS:
    [2-Methoxy-4-(2-nitrovinyl)phenyl] b-D-galactopyranoside (MNVP-gal) is a chromogenic enzyme substrate that is commonly used to detect the activity of beta-galactosidase in biological samples. MNVP-gal produces a distinctive magenta color when hydrolyzed by beta-galactosidase, making it particularly useful for applications where visual detection is necessary. This substrate is also resistant to endogenous proteases, making it well-suited for use in cellular and tissue preparations.
    Purezza:Min. 95%
    Peso molecolare:357.31 g/mol

    Ref: 3D-EM06779

    1g
    860,00€
    100mg
    305,00€
    250mg
    343,00€
    500mg
    508,00€