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color change

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50

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37

Fluorescent Dye

5

Biochemical Assay Reagents

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Cat. No. Product Name Target Research Areas Chemical Structure
  • 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.
    4-Nitrophenyl butyrate
  • HY-D0169A
    Phenol Red sodium salt

    Phenolsulfonephthalein sodium salt

    		 Fluorescent Dye Others
    Phenol red (Phenolsulfonephthalein) sodium salt is a pH indicator dye, relying on a distinct color change from pink to yellow in case of a positive reaction .
    Phenol Red sodium salt
  • HY-D0169
    Phenol Red

    Phenolsulfonephthalein

    		 Fluorescent Dye Others
    Phenol red (Phenolsulfonephthalein) is a pH indicator dye, relying on a distinct color change from pink to yellow in case of a positive reaction .
    Phenol Red
  • HY-143618
    photoCORM-2

    		Others Cancer
    photoCORM-2 (compound 3) is a single carbon monoxide releasing molecule (CORM). photoCORM-2 exhibits good cellular uptake and real-time monitoring ability of CO uncaging by a color change approach. photoCORM-2 has anti-tumor activity .
    photoCORM-2
  • HY-143617
    photoCORM-1

    		Others Cancer
    photoCORM-1 (compound 8) is a combinatorial carbon monoxide releasing molecule (CORM). photoCORM-1 exhibits good cellular uptake and real-time monitoring ability of CO uncaging by a color change approach. photoCORM-1 has anti-tumor antivity .
    photoCORM-1
  • HY-D1137
    C.I. Pigment yellow 110

    		Fluorescent Dye
    C.I. Pigment yellow 110 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment yellow 110
  • HY-D0960
    C.I. Solvent Blue 43

    		Fluorescent Dye
    C.I. Solvent Blue 43 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Solvent Blue 43
  • HY-D0725
    C.I. Pigment yellow 180

    		Fluorescent Dye
    C.I. Pigment yellow 180 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment yellow 180
  • HY-D0686
    C.I. Pigment red 221

    		Fluorescent Dye
    C.I. Pigment red 221 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 221
  • HY-D0531
    C.I. Pigment red 123

    		Fluorescent Dye
    C.I. Pigment red 123 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 123
  • HY-D0510
    C.I. Pigment orange 34

    		Fluorescent Dye
    C.I. Pigment orange 34 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment orange 34
  • HY-D0493
    C.I. Pigment yellow 62

    		Fluorescent Dye
    C.I. Pigment yellow 62 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment yellow 62
  • HY-D0489
    C.I. Pigment orange 38

    		Fluorescent Dye
    C.I. Pigment orange 38 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment orange 38
  • HY-D0488
    C.I. Pigment orange 36

    		Fluorescent Dye
    C.I. Pigment orange 36 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment orange 36
  • HY-D0486
    C.I. Pigment violet 32

    		Fluorescent Dye
    C.I. Pigment violet 32 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment violet 32
  • HY-D0460
    C.I. Pigment red 48

    Pigment red 48 calcium salt

    		 Fluorescent Dye
    C.I. Pigment red 48 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 48
  • HY-D0459
    C.I. Pigment brown 25

    		Fluorescent Dye
    C.I. Pigment brown 25 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment brown 25
  • HY-D0457
    C.I. Solvent red 179

    		Fluorescent Dye
    C.I. Solvent red 179 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Solvent red 179
  • HY-D0450
    C.I. Pigment red 112

    		Fluorescent Dye
    C.I. Pigment red 112 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 112
  • HY-D0445
    C.I. Pigment orange 16

    		Fluorescent Dye
    C.I. Pigment orange 16 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment orange 16
  • HY-D0442
    C.I. Pigment red 14

    		Fluorescent Dye
    C.I. Pigment red 14 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 14
  • HY-D0441
    C.I. Pigment red 23

    		Fluorescent Dye
    C.I. Pigment red 23 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 23
  • HY-D0433
    C.I. Vat Blue 16

    Navy Blue G

    		 Fluorescent Dye
    C.I. Vat Blue 16 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Vat Blue 16
  • HY-D0431
    C.I. Pigment blue 56

    		Fluorescent Dye
    C.I. Pigment blue 56 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment blue 56
  • HY-D0429
    C.I. Pigment red 5

    		Fluorescent Dye
    C.I. Pigment red 5 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 5
  • HY-D0428
    C.I. Pigment red 9

    		Fluorescent Dye
    C.I. Pigment red 9 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 9
  • HY-D0427
    C.I. Pigment red 12

    		Fluorescent Dye
    C.I. Pigment red 12 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 12
  • HY-D0426
    C.I. Pigment red 8

    		Fluorescent Dye
    C.I. Pigment red 8 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 8
  • HY-D0421
    C.I. Solvent yellow 18

    		Fluorescent Dye
    C.I. Solvent yellow 18 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Solvent yellow 18
  • HY-D0415
    C.I. Vat blue 22

    		Fluorescent Dye
    C.I. Vat blue 22 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Vat blue 22
  • HY-D0408
    C.I. Pigment red 38

    		Fluorescent Dye
    C.I. Pigment red 38 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 38
  • HY-D0405
    C.I. Pigment yellow 74

    		Fluorescent Dye
    C.I. Pigment yellow 74 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment yellow 74
  • HY-D0394
    C.I. Pigment red 2

    		Fluorescent Dye
    C.I. Pigment red 2 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 2
  • HY-D0392
    C. I. Pigment yellow 16

    		Fluorescent Dye
    C. I. Pigment yellow 16 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C. I. Pigment yellow 16
  • HY-D0519
    C.I. Pigment red 52:1

    		Fluorescent Dye
    C.I. Pigment red 52:1 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 52:1
  • HY-142955
    Dual photoCORM 1

    		Others Cancer
    Dual photoCORM 1 (compound 5) is metal-free, photochemically active dual CORM. Dual photoCORM 1 exhibits good cellular uptake and real-time monitoring ability of CO uncaging by a color change approach in cancerous B16F10 cells .
    Dual photoCORM 1
  • HY-128545
    Nitrazine yellow

    Nitrazine paper; Phenaphthazine

    		 Biochemical Assay Reagents Others
    Nitrazine yellow (Nitrazine paper; Phenaphthazine) is a pH indicator. The color of Nitrazine yellow changes from yellow to blue in the pH range from 6.0 to 7.0. Nitrazine yellow is a kind of biological materials or organic compounds that are widely used in life science research .
    Nitrazine yellow
  • HY-W133919
    Aniline Blue sodium

    		Biochemical Assay Reagents Others
    Aniline Blue sodium is a water-soluble dye commonly used as a biological stain for the detection of nucleic acids and proteins in various laboratory procedures such as electrophoresis and microscopy. Aniline Blue sodium has unique chemical properties that allow it to bind to specific cellular components, producing a color change that facilitates their visualization and analysis.
    Aniline Blue sodium
  • HY-W243303D
    Poly(acrylic acid) (MW 1250000)

    		Biochemical Assay Reagents Others
    Nitrazine yellow (Nitrazine paper; Phenaphthazine) is a pH indicator. The color of Nitrazine yellow changes from yellow to blue in the pH range from 6.0 to 7.0. Poly(acrylic acid) (MW 1250000) is a kind of biological materials or organic compounds that are widely used in life science research .
    Poly(acrylic acid) (MW 1250000)
  • 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 .
    Nitrocefin
  • HY-D0018
    DCIP sodium

    Dichlorophenylindophenol sodium; DCPIP sodium; Indochlorophenol sodium

    		 Biochemical Assay Reagents Others
    DCIP sodium is a blue dye commonly used in various biochemical and biotechnological applications as an indicator of redox reactions. DCIP sodium has unique chemical properties that change color according to the oxidation state of the substance being tested. It is commonly used in enzyme assays, such as measuring the activity of succinate dehydrogenase, or in protein quantification methods, such as the Lowry assay.
    DCIP sodium
  • HY-N8502
    Urdamycin A

    		Fluorescent Dye Cancer
    Urdamycin A (Compound 3b) is an angucycline antibiotic that can be isolated from Streptomyces fradiae. Urdamycin A is an orange indicator with a change of the color to ultramarine blue at pH 7.7. Urdamycin A has anticancer activity with IC50s of 2.4 and 0.55 μg/mL in proliferation and stem cell assays, respectively .
    Urdamycin A
  • HY-W087913
    alpha-Naphtholphthalein

    		Biochemical Assay Reagents Others
    alpha-Naphtholphthalein is an indicator that is light yellow at pH 6 and gradually shows a clear color change with increasing pH to light green-green-blue. alpha-Naphtholphthalein can be impregnated into cotton-blend fabrics and used to develop medical supplies for wound pH monitoring, such as medical gauze, hospital gowns and compression bandages .
    alpha-Naphtholphthalein
  • HY-128369
    Acid Yellow 36

    Metanil Yellow

    		 Cytochrome P450 Others
    Acid Yellow 36 (Metanil Yellow) is an azo dye and a pH indicator. Acid Yellow 36 changes its color from red at pH 1.2 to yellow at pH 2.3. Acid Yellow 36 is used in the leather, paper and textile industries. Acid Yellow 36 acts as a bifunctional inducer of specific isozymes of P-450 and cytosolic enzymes .
    Acid Yellow 36
  • HY-W127709
    Chlorophyll b

    		Biochemical Assay Reagents Others
    Chlorophyll b is decomposed by chlorophyllase to form pheophytin b. This causes its color to change from green to olive brown. It is involved in the harvesting of light energy and its subsequent conversion into chemical energy during photosynthesis. Along with chlorophyll a, it plays a key role in the ability of plants to adapt to varying light intensities. The visible spectrum that is not absorbed when only chlorophyll a is present in the LHC.
    Chlorophyll b
  • 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) .
    Coelenteramine 400a hydrochloride
  • 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 .
    Nitrocefin (Standard)
  • HY-W110798
    Bromophenol blue indicator (3.0-4.6)

    		Biochemical Assay Reagents Others
    Bromophenol blue indicator (3.0-4.6) is a synthetic dye commonly used as an acid-base indicator with a transition range of pH 3.0-4.6. Bromophenol blue indicator (3.0-4.6) is water soluble and changes color from yellow to blue as the pH of the solution changes from acidic to basic. Its unique chemical properties make it an important ingredient in a variety of scientific applications, especially in biochemistry and molecular biology. In addition, it can be used as a stain in microbiology and histology. However, Bromophenol blue indicator (3.0-4.6) has potential irritating and staining properties.
    Bromophenol blue indicator (3.0-4.6)
  • 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) .
    Coelenteramine 400a
  • HY-D0228
    4-(4-Nitrophenylazo)resorcinol

    Azo Violet; Magneson I

    		 Fluorescent Dye
    4-(4-Nitrophenylazo)resorcinol is an azo purple dye used experimentally as a pH indicator, showing yellow when the pH value is lower than 11 and purple when the pH value is higher than 13. In slightly alkaline or alkaline environments, it also turns dark blue in the presence of magnesium salts. Azo Violet can also be used to test for the presence of ammonium ions. The color of the ammonium chloride or ammonium hydroxide solution will change depending on the concentration of azo violet used.
    4-(4-Nitrophenylazo)resorcinol

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