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Color substrate

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By Targets:	Antibiotic (2) Beta-lactamase (2) Biochemical Assay Reagents (1) Fluorescent Dye (5) Phosphatase (1)
By Research Areas:	Infection (2)

Inhibitors & Agonists

Fluorescent Dye

Biochemical Assay Reagents

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-D0221

2,4,6-Tri-2-pyridinyl-1,3,5-triazine NSC 112125; 2,4,6-Tipyidyl-s-tiazie	Fluorescent Dye	Others
2,4,6-Tri-2-pyridinyl-1,3,5-triazine (NSC 112125) is a commonly used fluorescent dye for detecting iron. 2,4,6-Tri-2-pyridinyl-1,3,5-triazine forms a complex with Fe (II) and can be quantified as a measure of iron concentration by colorimetric detection at 594 nm .

HY-W014449

4-Nitrophenyl butyrate	Biochemical Assay Reagents	Others
4-Nitrophenyl butyrate consists of butyric acid chains esterified with 4-nitrophenol groups, thus giving it a yellow color. This compound is commonly used as a substrate in enzyme assays to measure esterase and lipase activity. When these enzymes cleave the ester bond, the nitrophenol group is released and the color changes from yellow to orange. Thus, the rate of color change can be used to determine enzyme activity. In addition, 4-Nitrophenyl butyrate can also be used as organic synthesis reagent and dye intermediate.

HY-W127769

Rose-β-D-Gal Salmon-Gal	Fluorescent Dye	Others
Rose-β-D-Gal is a flurescent dye, is also a β-galactosidase substrate. Rose-β-D-Gal creates a pink/magenta color after the reaction and has been used for detection of β-gal activity .

HY-137858

H-Gly-Arg-pNA hydrochloride Gly-Arg-4-NA hydrochloride; GR-pNA hydrochloride; GR p-itoailide hydrochloride	Fluorescent Dye	Others
H-Gly-Arg-pNA hydrochloride (GR-pNA hydrochloride) is a colorimetric substrate for thrombin. H-Gly-Arg-pNA is preferentially bound by thrombin and cleaves the Gly-Arg (GR) peptide sequence, releasing p-nitroaniline (pNA) that can be detected colorimetrically at 405 nm. H-Gly-Arg-pNA hydrochloride is used as a fluorescent dye to measure thrombin activity .

HY-D1676

Thymolphthalein monophosphate disodium hydrate	Phosphatase	Others
Thymolphthalein monophosphate disodium hydrate is a chromogenic substrate for the determination of acid phosphatase and alkaline phosphatase. Thymolphthalein is released during the reaction, increases the pH of the medium for easy detection, produces color and stops hydrolysis. Thymolphthalein monophosphate disodium hydrate can be used for the specific detection of prostatic phosphatase in serum .

HY-108913

Nitrocefin	Beta-lactamase Antibiotic	Infection
Nitrocefin is a chromogenic β-lactamase substrate that undergoes a distinctive color change from yellow to red as the amide bond in the β-lactam ring is hydrolyzed by β-lactamase. Nitrocefin is used in competitive inhibition studies in developmental work on β-lactamase-resistant antibiotics .

HY-124324

4-Nitrophenyl β-D-cellotrioside p-Nitopheyl β-D-cellotioside	Fluorescent Dye	Others
4-Nitrophenyl β-D-cellotrioside (p-Nitopheyl β-D-cellotioside) is a chromogenic substrate for endoglucanases and cellulose biohydrolases. As a fluorescent dye, nitrophenyl β-D-Cellotrioside can be hydrolyzed by enzymes to release 4-nitrophenol, producing a yellow color. The activity of the enzyme can be quantitatively analyzed by monitoring the change in absorbance at 405 nm .

HY-118462A

Coelenteramine 400a hydrochloride Coelenterazine 400a hydrochloride; Bisdeoxycoelenterazine hydrochloride	Others	Others
Coelenteramine (Coelenterazine) 400a hydrochloride, a derivative of Coelenterazine, is a Renilla luciferase (RLuc) substrate. In the presence of Coelenteramine 400a hydrochloride, RLuc can emit blue light at 395 nm . Coelenteramine 400a hydrochloride will causes color change in the bioluminescence reaction of Rluc by replacing the sulfur and oxygen heteroatoms of the methylene bridge. Coelenteramine 400a hydrochloride provides higher signal resolution and can be used in the research of bioluminescence resonance energy transfer (BRET) .

HY-108913R

Nitrocefin (Standard)	Beta-lactamase Antibiotic	Infection
Nitrocefin (Standard) is the analytical standard of Nitrocefin. This product is intended for research and analytical applications. Nitrocefin is a chromogenic β-lactamase substrate that undergoes a distinctive color change from yellow to red as the amide bond in the β-lactam ring is hydrolyzed by β-lactamase. Nitrocefin is used in competitive inhibition studies in developmental work on β-lactamase-resistant antibiotics .

HY-118462

Coelenteramine 400a Coelenterazine 400a; Bisdeoxycoelenterazine	Fluorescent Dye	Others
Coelenteramine 400a (Coelenterazine 400a), a derivative of Coelenterazine, is a Renilla luciferase (RLuc) substrate. In the presence of Coelenteramine 400a, RLuc can emit blue light at 395 nm . Coelenterazine 400a will causes color change in the bioluminescence reaction of Rluc by replacing the sulfur and oxygen heteroatoms of the methylene bridge. Coelenterazine 400a provides higher signal resolution and can be used in the research of bioluminescence resonance energy transfer (BRET) .

Cat. No.	Product Name	Type

HY-D0221

2,4,6-Tri-2-pyridinyl-1,3,5-triazine NSC 112125; 2,4,6-Tipyidyl-s-tiazie	Dyes
2,4,6-Tri-2-pyridinyl-1,3,5-triazine (NSC 112125) is a commonly used fluorescent dye for detecting iron. 2,4,6-Tri-2-pyridinyl-1,3,5-triazine forms a complex with Fe (II) and can be quantified as a measure of iron concentration by colorimetric detection at 594 nm .

HY-W127769

Rose-β-D-Gal Salmon-Gal	Fluorescent Dyes/Probes
Rose-β-D-Gal is a flurescent dye, is also a β-galactosidase substrate. Rose-β-D-Gal creates a pink/magenta color after the reaction and has been used for detection of β-gal activity .

HY-137858

H-Gly-Arg-pNA hydrochloride Gly-Arg-4-NA hydrochloride; GR-pNA hydrochloride; GR p-itoailide hydrochloride	Dyes
H-Gly-Arg-pNA hydrochloride (GR-pNA hydrochloride) is a colorimetric substrate for thrombin. H-Gly-Arg-pNA is preferentially bound by thrombin and cleaves the Gly-Arg (GR) peptide sequence, releasing p-nitroaniline (pNA) that can be detected colorimetrically at 405 nm. H-Gly-Arg-pNA hydrochloride is used as a fluorescent dye to measure thrombin activity .

HY-D1676

Thymolphthalein monophosphate disodium hydrate	Fluorescent Dyes/Probes
Thymolphthalein monophosphate disodium hydrate is a chromogenic substrate for the determination of acid phosphatase and alkaline phosphatase. Thymolphthalein is released during the reaction, increases the pH of the medium for easy detection, produces color and stops hydrolysis. Thymolphthalein monophosphate disodium hydrate can be used for the specific detection of prostatic phosphatase in serum .

Thymolphthalein monophosphate disodium hydrate

Fluorescent Dyes/Probes

Thymolphthalein monophosphate disodium hydrate is a chromogenic substrate for the determination of acid phosphatase and alkaline phosphatase. Thymolphthalein is released during the reaction, increases the pH of the medium for easy detection, produces color and stops hydrolysis. Thymolphthalein monophosphate disodium hydrate can be used for the specific detection of prostatic phosphatase in serum .

HY-124324

4-Nitrophenyl β-D-cellotrioside p-Nitopheyl β-D-cellotioside	Fluorescent Dyes/Probes
4-Nitrophenyl β-D-cellotrioside (p-Nitopheyl β-D-cellotioside) is a chromogenic substrate for endoglucanases and cellulose biohydrolases. As a fluorescent dye, nitrophenyl β-D-Cellotrioside can be hydrolyzed by enzymes to release 4-nitrophenol, producing a yellow color. The activity of the enzyme can be quantitatively analyzed by monitoring the change in absorbance at 405 nm .

HY-118462

Coelenteramine 400a Coelenterazine 400a; Bisdeoxycoelenterazine	Dyes
Coelenteramine 400a (Coelenterazine 400a), a derivative of Coelenterazine, is a Renilla luciferase (RLuc) substrate. In the presence of Coelenteramine 400a, RLuc can emit blue light at 395 nm . Coelenterazine 400a will causes color change in the bioluminescence reaction of Rluc by replacing the sulfur and oxygen heteroatoms of the methylene bridge. Coelenterazine 400a provides higher signal resolution and can be used in the research of bioluminescence resonance energy transfer (BRET) .

Coelenteramine 400a

Coelenterazine 400a; Bisdeoxycoelenterazine

Dyes

Coelenteramine 400a (Coelenterazine 400a), a derivative of Coelenterazine, is a Renilla luciferase (RLuc) substrate. In the presence of Coelenteramine 400a, RLuc can emit blue light at 395 nm . Coelenterazine 400a will causes color change in the bioluminescence reaction of Rluc by replacing the sulfur and oxygen heteroatoms of the methylene bridge. Coelenterazine 400a provides higher signal resolution and can be used in the research of bioluminescence resonance energy transfer (BRET) .

4-Nitrophenyl butyrate	Biochemical Assay Reagents
4-Nitrophenyl butyrate consists of butyric acid chains esterified with 4-nitrophenol groups, thus giving it a yellow color. This compound is commonly used as a substrate in enzyme assays to measure esterase and lipase activity. When these enzymes cleave the ester bond, the nitrophenol group is released and the color changes from yellow to orange. Thus, the rate of color change can be used to determine enzyme activity. In addition, 4-Nitrophenyl butyrate can also be used as organic synthesis reagent and dye intermediate.

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