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Results for "

violet

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Apoptosis (1) Bacterial (4) Biochemical Assay Reagents (16) Cholinesterase (ChE) (1) DNA Stain (1) Environmental Pollutants (6) Fluorescent Dye (42) Fungal (1) Influenza Virus (2) Isotope-Labeled Compounds (3) Reference Standards (4) SARS-CoV (1) Wnt (1)
By Research Areas:	Cancer (2) Infection (4) Neurological Disease (5)
Click Chemistry:	Alkynes (1)

Inhibitors & Agonists

Fluorescent Dye

Biochemical Assay Reagents

MCE Kits

Natural
Products

Isotope-Labeled Compounds

Click Chemistry

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-B0324A

Crystal Violet Maximum Cited Publications 64 Publications Verification Basic violet 3; Gentian violet; Methyl violet 10B	Environmental Pollutants Fluorescent Dye Influenza Virus Bacterial	Infection
Crystal Violet, also known as Gentian violet, methyl violet 10B, is a triphenyl-methane, an alkaline dye that binds to DNA in the nucleus of a cell, staining it a deep purple. It is often used for Gram staining to classify bacteria, or for cell or histological staining[1].

HY-Y0016

Rhodamine B 15+ Cited Publications Basic violet 10; Brilliant Pink B; Rhodamine O; Tetraethylrhodamine	Environmental Pollutants Fluorescent Dye	Others
Rhodamine B is a staining fluorescent dye, commonly used for dyeing textiles, paper, soap, leather, and agents.

HY-15920

INT 3 Publications Verification Iodonitrotetrazolium chloride; p-Iodonitrotetrazolium violet	Biochemical Assay Reagents	Others
INT (Iodonitrotetrazolium chloride) is a biochemical reagent mainly used in the iodonitrotetrazolium chloride (INT) colorimetric method to assess the metabolic activity of cells and the activity of enzymes .

HY-101888

*Cresyl Violet* acetate** 2 Publications Verification	Fluorescent Dye	Neurological Disease
Cresyl Violet acetate is a dye, which can be used to stain neurons.

HY-15932

TOOS TOOS sodium salt	Biochemical Assay Reagents	Others
TOOS (TOOS sodium salt) is a highly water-soluble aniline derivative widely used in diagnostics and biological experiments. TOOS can be combined with 3-methyl-2-benzothiazolinone hydrazone hydrochloride (MBTH) to form a chromogenic system to measure oxidase activity. In the MBTH-TOOS chromogenic system, MBTH is catalytically oxidized to produce (-NH) free radicals, which react with TOOS to form colorless compounds. Furthermore, the colorless compound undergoes a disproportionation reaction to produce a blue-violet quinoid compound .

HY-DY2001

*Crystal Violet* (solution)**	Fluorescent Dye Influenza Virus Bacterial	Infection
Crystal Violet (solution) , also known as Gentian violet, methyl violet 10B, is a triphenyl-methane, an alkaline dye that binds to DNA in the nucleus of a cell, staining it a deep purple. It is often used for Gram staining to classify bacteria, or for cell or histological staining . Solvent and Concentration: Sterile water: 5 mg/mL (0.5%)

HY-W110794

*Crystal violet, IND (0.0-2.0)*	Environmental Pollutants Biochemical Assay Reagents	Others
Crystal violet, IND (0.0-2.0) is a specialized indicator suitable for strongly acidic systems, which reflects changes in pH within the range of 0.0-2.0 through color changes. Crystal violet, IND (0.0-2.0) is widely used in acid-base titration, chemical analysis, and industrial testing fields .

HY-D0957

Ethyl Violet	Fluorescent Dye Bacterial	Infection
Ethyl Violet is a triphenylmethane cationic dye with antibacterial activity. Ethyl Violet is applicable to research related to antibacterial therapy and histological staining .

HY-D0233

Leucocrystal violet	Fluorescent Dye	Others
Leucocrystal violet is a cationic triarylmethane dye. Leucocrystal violet generates a colored purple product in the presence of hydrogen peroxide and horseradish peroxidase, or when oxidized by periodate under the catalysis of horseradish peroxidase. Leucocrystal violet serves as a chromogenic reagent for the determination of submicrogram-level hydrogen peroxide, with no interference from tryptophan, persulfate or chromate. Leucocrystal violet reacts with blood to produce a purple/violet color in the presence of hydrogen peroxide; it forms a very weak fluorophore when acting with whole blood in an unbuffered solution, with a maximum absorption wavelength of 630 nm and a maximum fluorescence emission wavelength of 665 nm upon excitation at 630 nm. Leucocrystal violet is widely used for staining blood residues on porous and non-porous materials .

HY-D1491A

*Fast Red Violet* LB Zinc chloride**	Fluorescent Dye	Others
Fast Red Violet LB Zinc chloride is a stain that stains tartrate-resistant acid phosphatase (TRAP) and Fast Red Violet LB Zinc chloride can be used to stain alkaline phosphatase (ALP) activity .

HY-W130236

*Methylene Violet* 3RAX**	Cholinesterase (ChE)	Cancer
Methylene Violet 3RAX is a phenazine dye to stain the mitochondria of cells. Methylene Violet 3RAX can change the molecular structure of DNA, undermine the module of DNA, and induce the generation of the reactive singlet oxygen. Methylene Violet 3RAX shows inhibition for human erythrocyte AChE and human plasma BChE with an K_is of 1.58, 0.51 μM, respectively. Methylene Violet 3RAX has the potential for the research of potential photosensitizers for mitochondrial targeting action in PDT (photodynamic therapy) .

HY-D0854

Acid Red sodium Acid violet 19; Acid fuchsin sodium	Environmental Pollutants Biochemical Assay Reagents	Others
Acid Red is a class of synthetic dyes commonly used in the textile, paper and ink industries. They are in the category of acid dyes, which means they are water soluble and have acidic properties. Acid Red dye produces bright, vibrant colors that don't fade easily, but are not as durable as some other dyes. They can be used to dye a wide variety of fibers including wool, silk and nylon, as well as paper and leather.

HY-D0798

Catechol violet	Fluorescent Dye	Others
Catechol violet is an efficient and versatile ligand for Cu(I)-catalyzed C-S coupling reactions. Catechol violet is also a complexometric indicator dye .

HY-131490

Tetrazolium violet violet tetrazolium	Biochemical Assay Reagents	Others
Tetrazolium violet is a redox indicator commonly used in various biochemical assays to measure cell viability and metabolic activity. Tetrazolium Violet has unique chemical properties that allow it to be reduced by cellular enzymes such as dehydrogenases to form a purple formazan product that can be detected spectrophotometrically. This makes it a useful tool for assessing cell health and growth in culture or tissue samples.

HY-D0228

4-(4-Nitrophenylazo)resorcinol Azo violet; Magneson I	Fluorescent Dye	Others
4-(4-Nitrophenylazo)resorcinol (Azo Violet) 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 .

HY-Y0016R

Rhodamine B (Standard) Basic violet 10 (Standard); Brilliant Pink B (Standard); Rhodamine O (Standard); Tetraethylrhodamine (Standard)	Fluorescent Dye Reference Standards	Others
Rhodamine B (Standard) is the analytical standard of Rhodamine B. This product is intended for research and analytical applications. Rhodamine B is a staining fluorescent dye, commonly used for dyeing textiles, paper, soap, leather, and agents.

HY-W127515

Trans-2,cis-6-Nonadienal violet leaf aldehyde	Environmental Pollutants Biochemical Assay Reagents	Others
Trans-2, cis-6-NonadienalIt is an organic compound belonging to aldehydes. It has a strong, pungent smell and is commonly found in a variety of foods, including fruits and vegetables. Trans-2, cis-6-NonadienalIt has a variety of applications in the flavor and fragrance industry, especially as a fragrance agent in products such as perfume, cologne and air fresheners. In addition, it can also be used as an intermediate in the synthesis of various chemicals and drugs.

HY-106784A

(E)-Ajoene	Fungal Apoptosis	Neurological Disease
(E)-Ajoene is a oxygenated ajoene and organosulfur compound, which can be acquired via allicin decomposing. The polysulfides from garlic can be converted by human red blood cells into hydrogen sulfide (H2S) and allyl glutathione. (E)-Ajoene has been proved to show neuroprotective effects against ischemic damage. (E)-Ajoene is orally active to inhibit lipid peroxidation. (E)-Ajoene increases the number of cresyl violet-positive neurons and decreases the number of reactive gliosis in the CA1 region .

HY-D1270

*Direct Violet* 1**	SARS-CoV	Infection
Direct Violet 1, an azo dye, is a textile dye. Direct Violet 1 is also the protein-protein interaction (PPI) between the SARS-CoV-2 spike protein and ACE2 inhibitor with IC₅₀s of 1.47-2.63 μM .

HY-B0324AS

*Crystal Violet-d6* Basic violet 3-d₆; Gentian violet-d₆; Methyl violet 10B-d₆	Isotope-Labeled Compounds	Others
Crystal Violet-d₆ is the deuterium labeled Crystal Violet (HY-B0324A). Crystal Violet, also known as Gentian violet, methyl violet 10B, is a triphenyl-methane, an alkaline dye that binds to DNA in the nucleus of a cell, staining it a deep purple. It is often used for Gram staining to classify bacteria, or for cell or histological staining .

HY-D1491

*Fast Red Violet* LB**	Fluorescent Dye	Others
Fast Red Violet LB is a dye for staining tartrate resistant acid phosphatase (TRAP). Fast Red Violet LB can be used for alkaline phosphatase (ALP) activity staining .

HY-101889

*Cresyl Violet* perchlorate** Oxazine 9 perchlorate	Fluorescent Dye	Neurological Disease
Cresyl Violet perchlorate is a red fluorescent stain, which can be used to stain neurons.

HY-D1181

New Fuchsin Basic violet 2	Biochemical Assay Reagents	Others
New Fuchsin is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

HY-N7171

4,4'-Di-O-methylellagic acid 4,4'-DiOMEA; Nasutin C	Wnt	Cancer
4,4'-Di-O-methylellagic acid (4,4'-DiOMEA; Nasutin C) can be isolated from the Australian termites. 4,4'-Di-O-methylellagic acid is blue-fluorescent under ultra-violet light . 4,4'-Di-O-methylellagic acid inhibits colon cancer cell proliferation via the wnt signal pathway .

HY-D0575

*Disperse violet* 93**	Fluorescent Dye
Disperse violet 93 is a violet dye commonly used for fiber dyeing.

HY-D0610

*Disperse Violet* 33**	Fluorescent Dye
Disperse Violet 33 is a violet dye commonly used for fiber dyeing.

HY-D2771

BP Fluor 405 NHS ester	Fluorescent Dye	Others
BP Fluor 405 NHS Ester is a water-soluble, blue-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 conjugates are pH-insensitive from pH 4 to pH 10. The NHS ester (or succinimidyl ester) is the most popular amine reactive group for labeling with the primary amines of proteins (Lys), amine-modified oligonucleotides, and other amine-containing molecules. Proteins can be labeled with BP Fluor 405 NHS Ester at high molar ratios without significant self-quenching, leading to brighter conjugates and more sensitive detection. BP Fluor 405 conjugates can also be used for the detection of abundance targets.

HY-W110783

*Methyl violet* indicator** Methyl violet	Environmental Pollutants Biochemical Assay Reagents	Others
Methyl violet indicator (Methyl violet) is a kind of biological materials or organic compounds that are widely used in life science research .

HY-118755

*Acid violet* 43**	Biochemical Assay Reagents	Others
Acid violet 43 is a biochemical reagent.

HY-D0650

*Acid violet* 54**	Fluorescent Dye
Acid violet 54 is an acidic dye that is adsorbed by Musa extract.

HY-N8408

Peonidin 3,5-diglucoside	Others	Others
Peonidin 3,5-diglucoside is a classic anthocyanin isolated from violet flowers .

HY-D0724

*Basic violet* 16 phosphate**	Fluorescent Dye
Basic violet 16 (phosphate) is an alkaline dye that can be removed from aqueous solutions in intermittent adsorption systems using tree ferns as biosorbents.

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.

HY-D1545

Violamine R Acid violet 9	Fluorescent Dye	Others
Violamine R (Acid Violet 9) is a potent fluorophore. Violamine R shows environment and temperature-dependent photoluminescence (PL) intermittency in poly(vinyl alcohol) (PVOH) and potassium acid phthalate (KAP). Violamine R can be used to measure the temperatures spanning the glass-transition temperature (Tg) of the polymer host by the fluorescence intermittency or blinking in poly(vinyl alcohol) (PVA) .

HY-D0951

*Methyl violet* dye**	Fluorescent Dye	Others
Methyl violet dye is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

HY-D0461

beta-Naphthol violet	Fluorescent Dye	Others
beta-Naphthol violet is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

HY-158765

Leuco ethyl violet	Biochemical Assay Reagents	Neurological Disease
Leuco ethyl violet is a photooxidation catalyst for amyloid selectivity and blood-brain barrier (BBB) permeability. Leuco ethyl violet can be used in the study of Alzheimer's disease (AD) .

HY-157361

*Ethyl Violet* Aziode Broth**	Biochemical Assay Reagents	Others
Ethyl Violet Aziode Broth is a special medium for growth culture of streptococcus. The composition of 1 litre medium is 35.8 g Ethyl Violet Aziode Broth.

HY-D0341

Disperse Red 11 Solvent violet 26	Fluorescent Dye
Disperse Red 11 is a red dye derived from anthraquinone. It is used in plastics, textiles and cosmetics.

HY-D0524

Disperse black 9	Fluorescent Dye
Disperse black 9 is a violet dye commonly used for fiber dyeing.

HY-D1366

Sulfo-Cyanine5.5 carboxylic acid	Fluorescent Dye
Sulfo-Cyanine5.5 carboxylic acidCI Pigment violet 32 is a water-soluble, far-red emitting fluorophore. Due to its four sulfo groups, this dye has a negative charge at neutral pH and is very hydrophilic. As a cyanine dye, sulfo-Cyanine5.5 shows a very low dependence of fluorescence on pH and a very high extinction coefficient.

HY-D1222

*Vat violet* 13**	Fluorescent Dye
Vat violet 13 is a violet dye.

HY-D1202

*Disperse Violet* 63**	Fluorescent Dye
Disperse Violet 63 is a violet dye commonly used for fiber dyeing.

HY-D0289

*Disperse violet* 8**	Fluorescent Dye
Disperse violet 8 is a violet dye commonly used for fiber dyeing.

HY-D1179

*Solvent violet* 38**	Fluorescent Dye
Solvent violet 38 is a violet dye. Its series of products, such as Solvent orange 60 (HY-D1177), has been used in dyeing applications of plastic materials.

HY-D0366

*Acid Violet* 17** violet bnp	Fluorescent Dye
Acid Violet 17 is an acidic dye that can be adsorbed from aqueous solution by orange peel.

HY-125786

*Solvent violet* 9**	DNA Stain	Others
Solvent violet 9 is a dye for recognizing DNA .

HY-D1226

*Direct violet* 51**	Fluorescent Dye
Direct violet 51 is a good dyeing agent for cotton fabrics.

HY-D0233R

*Leucocrystal violet* (Standard)**	Reference Standards Fluorescent Dye	Others
Leucocrystal violet (Standard) is the analytical standard of Leucocrystal violet (HY-D0233). This product is intended for research and analytical applications. Leucocrystal violet is a cationic triarylmethane dye. Leucocrystal violet generates a colored purple product in the presence of hydrogen peroxide and horseradish peroxidase, or when oxidized by periodate under the catalysis of horseradish peroxidase. Leucocrystal violet serves as a chromogenic reagent for the determination of submicrogram-level hydrogen peroxide, with no interference from tryptophan, persulfate or chromate. Leucocrystal violet reacts with blood to produce a purple/violet color in the presence of hydrogen peroxide; it forms a very weak fluorophore when acting with whole blood in an unbuffered solution, with a maximum absorption wavelength of 630 nm and a maximum fluorescence emission wavelength of 665 nm upon excitation at 630 nm. Leucocrystal violet is widely used for staining blood residues on porous and non-porous materials.

HY-D1227

*Acid violet* 1**	Fluorescent Dye
Acid violet 1 is an acidic dye that can be adsorbed from aqueous solution by orange peel.

Cat. No.	Product Name	Type

HY-B0324A

Crystal Violet Maximum Cited Publications 64 Publications Verification Basic violet 3; Gentian violet; Methyl violet 10B	Fluorescent Dye
Crystal Violet, also known as Gentian violet, methyl violet 10B, is a triphenyl-methane, an alkaline dye that binds to DNA in the nucleus of a cell, staining it a deep purple. It is often used for Gram staining to classify bacteria, or for cell or histological staining[1].

HY-Y0016

Rhodamine B 15+ Cited Publications Basic violet 10; Brilliant Pink B; Rhodamine O; Tetraethylrhodamine	Fluorescent Dye
Rhodamine B is a staining fluorescent dye, commonly used for dyeing textiles, paper, soap, leather, and agents.

HY-101888

*Cresyl Violet* acetate** 2 Publications Verification	Fluorescent Dye
Cresyl Violet acetate is a dye, which can be used to stain neurons.

HY-DY2001

*Crystal Violet* (solution)**	Fluorescent Dye
Crystal Violet (solution) , also known as Gentian violet, methyl violet 10B, is a triphenyl-methane, an alkaline dye that binds to DNA in the nucleus of a cell, staining it a deep purple. It is often used for Gram staining to classify bacteria, or for cell or histological staining . Solvent and Concentration: Sterile water: 5 mg/mL (0.5%)

HY-D0957

Ethyl Violet	Fluorescent Dye
Ethyl Violet is a triphenylmethane cationic dye with antibacterial activity. Ethyl Violet is applicable to research related to antibacterial therapy and histological staining .

HY-D0233

Leucocrystal violet

Fluorescent Dye

Leucocrystal violet is a cationic triarylmethane dye. Leucocrystal violet generates a colored purple product in the presence of hydrogen peroxide and horseradish peroxidase, or when oxidized by periodate under the catalysis of horseradish peroxidase. Leucocrystal violet serves as a chromogenic reagent for the determination of submicrogram-level hydrogen peroxide, with no interference from tryptophan, persulfate or chromate. Leucocrystal violet reacts with blood to produce a purple/violet color in the presence of hydrogen peroxide; it forms a very weak fluorophore when acting with whole blood in an unbuffered solution, with a maximum absorption wavelength of 630 nm and a maximum fluorescence emission wavelength of 665 nm upon excitation at 630 nm. Leucocrystal violet is widely used for staining blood residues on porous and non-porous materials .

HY-D0228

4-(4-Nitrophenylazo)resorcinol

Azo violet; Magneson I

Fluorescent Dye

4-(4-Nitrophenylazo)resorcinol (Azo Violet) 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 .

HY-Y0016R

Rhodamine B (Standard) Basic violet 10 (Standard); Brilliant Pink B (Standard); Rhodamine O (Standard); Tetraethylrhodamine (Standard)	Fluorescent Dye
Rhodamine B (Standard) is the analytical standard of Rhodamine B. This product is intended for research and analytical applications. Rhodamine B is a staining fluorescent dye, commonly used for dyeing textiles, paper, soap, leather, and agents.

HY-D1270

*Direct Violet* 1**	Fluorescent Dye
Direct Violet 1, an azo dye, is a textile dye. Direct Violet 1 is also the protein-protein interaction (PPI) between the SARS-CoV-2 spike protein and ACE2 inhibitor with IC₅₀s of 1.47-2.63 μM .

HY-D1491

*Fast Red Violet* LB**	Fluorescent Dye
Fast Red Violet LB is a dye for staining tartrate resistant acid phosphatase (TRAP). Fast Red Violet LB can be used for alkaline phosphatase (ALP) activity staining .

HY-101889

*Cresyl Violet* perchlorate** Oxazine 9 perchlorate	Fluorescent Dye
Cresyl Violet perchlorate is a red fluorescent stain, which can be used to stain neurons.

HY-D0575

*Disperse violet* 93**	Fluorescent Dye
Disperse violet 93 is a violet dye commonly used for fiber dyeing.

HY-D0610

*Disperse Violet* 33**	Fluorescent Dye
Disperse Violet 33 is a violet dye commonly used for fiber dyeing.

HY-D2771

BP Fluor 405 NHS ester

Fluorescent Dye

BP Fluor 405 NHS Ester is a water-soluble, blue-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 conjugates are pH-insensitive from pH 4 to pH 10. The NHS ester (or succinimidyl ester) is the most popular amine reactive group for labeling with the primary amines of proteins (Lys), amine-modified oligonucleotides, and other amine-containing molecules. Proteins can be labeled with BP Fluor 405 NHS Ester at high molar ratios without significant self-quenching, leading to brighter conjugates and more sensitive detection. BP Fluor 405 conjugates can also be used for the detection of abundance targets.

HY-D0650

*Acid violet* 54**	Fluorescent Dye
Acid violet 54 is an acidic dye that is adsorbed by Musa extract.

HY-D0724

*Basic violet* 16 phosphate**	Fluorescent Dye
Basic violet 16 (phosphate) is an alkaline dye that can be removed from aqueous solutions in intermittent adsorption systems using tree ferns as biosorbents.

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.

HY-D1545

Violamine R

Acid violet 9

Fluorescent Dye

Violamine R (Acid Violet 9) is a potent fluorophore. Violamine R shows environment and temperature-dependent photoluminescence (PL) intermittency in poly(vinyl alcohol) (PVOH) and potassium acid phthalate (KAP). Violamine R can be used to measure the temperatures spanning the glass-transition temperature (Tg) of the polymer host by the fluorescence intermittency or blinking in poly(vinyl alcohol) (PVA) .

HY-D0951

Methyl violet dye

Fluorescent Dye

Methyl violet dye is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

HY-D0461

beta-Naphthol violet

Fluorescent Dye

beta-Naphthol violet is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

HY-D0341

Disperse Red 11 Solvent violet 26	Fluorescent Dye
Disperse Red 11 is a red dye derived from anthraquinone. It is used in plastics, textiles and cosmetics.

HY-D0524

Disperse black 9	Fluorescent Dye
Disperse black 9 is a violet dye commonly used for fiber dyeing.

HY-D1366

Sulfo-Cyanine5.5 carboxylic acid	Fluorescent Dye
Sulfo-Cyanine5.5 carboxylic acidCI Pigment violet 32 is a water-soluble, far-red emitting fluorophore. Due to its four sulfo groups, this dye has a negative charge at neutral pH and is very hydrophilic. As a cyanine dye, sulfo-Cyanine5.5 shows a very low dependence of fluorescence on pH and a very high extinction coefficient.

HY-D1222

*Vat violet* 13**	Fluorescent Dye
Vat violet 13 is a violet dye.

HY-D1202

*Disperse Violet* 63**	Fluorescent Dye
Disperse Violet 63 is a violet dye commonly used for fiber dyeing.

HY-D0289

*Disperse violet* 8**	Fluorescent Dye
Disperse violet 8 is a violet dye commonly used for fiber dyeing.

HY-D1179

*Solvent violet* 38**	Fluorescent Dye
Solvent violet 38 is a violet dye. Its series of products, such as Solvent orange 60 (HY-D1177), has been used in dyeing applications of plastic materials.

HY-D0366

*Acid Violet* 17** violet bnp	Fluorescent Dye
Acid Violet 17 is an acidic dye that can be adsorbed from aqueous solution by orange peel.

HY-D1226

*Direct violet* 51**	Fluorescent Dye
Direct violet 51 is a good dyeing agent for cotton fabrics.

HY-D0233R

Leucocrystal violet (Standard)

Fluorescent Dye

Leucocrystal violet (Standard) is the analytical standard of Leucocrystal violet (HY-D0233). This product is intended for research and analytical applications. Leucocrystal violet is a cationic triarylmethane dye. Leucocrystal violet generates a colored purple product in the presence of hydrogen peroxide and horseradish peroxidase, or when oxidized by periodate under the catalysis of horseradish peroxidase. Leucocrystal violet serves as a chromogenic reagent for the determination of submicrogram-level hydrogen peroxide, with no interference from tryptophan, persulfate or chromate. Leucocrystal violet reacts with blood to produce a purple/violet color in the presence of hydrogen peroxide; it forms a very weak fluorophore when acting with whole blood in an unbuffered solution, with a maximum absorption wavelength of 630 nm and a maximum fluorescence emission wavelength of 665 nm upon excitation at 630 nm. Leucocrystal violet is widely used for staining blood residues on porous and non-porous materials.

HY-D1227

*Acid violet* 1**	Fluorescent Dye
Acid violet 1 is an acidic dye that can be adsorbed from aqueous solution by orange peel.

HY-D0456

C.I. Direct violet 66

Fluorescent Dye

C.I. Direct violet 66 is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

HY-D0397

C.I. Direct Violet 9

Fluorescent Dye

C.I. Direct Violet 9 is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

HY-D2765

BP Fluor 405 cadaverine

Fluorescent Dye

BP Fluor 405 Cadaverine is a carbonyl-reactive building block used to modify carboxylic groups in the presence of activators (e.g. EDC or DCC) or activated esters (e.g. NHS esters) through a stable amide bond. Another common application for BP Fluor 405 Cadaverine is cell fixing by treatment with formaldehyde or glutaraldehyde. BP Fluor 405 is a water-soluble, blue-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode.

HY-D2768

BP Fluor 430 NHS ester

Fluorescent Dye

BP Fluor 430 NHS Ester is a water-soluble, green-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 conjugates are pH-insensitive from pH 4 to pH 10. The NHS ester (or succinimidyl ester) is the most popular amine reactive group for labeling the primary amines of proteins (Lys), amine-modified oligonucleotides, and other amine-containing molecules. Proteins can be labeled with BP Fluor 430 NHS Ester at high molar ratios without significant self-quenching, leading to brighter conjugates and more sensitive detection.

HY-D2747

BP Fluor 405 acid

Fluorescent Dye

BP Fluor 405 acid is a water-soluble, blue-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 conjugates are pH-insensitive from pH 4 to pH 10. The carboxylic acid of BP Fluor 405 is a reagent of choice for the preparation of custom activated esters that often are not commercially available. Examples of such activated esters include sulfo-NHS, TFP (2,3,5,6-Tetrafluorophenol), and STP (4-Sulfo-2,3,5,6-Tetrafluorophenol, Sodium Salt). Another common application for the non-activated carboxylic acid is peptide modification during solid phase synthesis, which usually requires in-situ activation with peptide coupling regents, e.g. HATU. BP Fluor 405 acid is also often used for control experiments, and for calibration.

HY-101888R

*Cresyl Violet* acetate (Standard)**	Fluorescent Dye
Cresyl Violet acetate (Standard) is the analytical standard of Cresyl Violet acetate (HY-101888). This product is intended for research and analytical applications. Cresyl Violet acetate is a dye, which can be used to stain neurons.

HY-W800695

BP Fluor 405 DBCO

Fluorescent Dye

BP Fluor 405 DBCO is a blue-fluorescent dye that often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 DBCO reacts with azides via a copper-free click chemistry reaction to form a stable triazole and does not require a Cu-catalyst or elevated temperatures.

HY-W800694

BP Fluor 405 alkyne triTEA

Fluorescent Dye

BP Fluor 405 alkyne triTEA is a blue-fluorescent dye that often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 alkyne triTEA reacts with azides via a copper-catalyzed click reaction (CuAAC) to form a stable triazole linker. A probe for copper-less detection (BP Fluor 405 DBCO) is also available for application where the presence of copper is not acceptable.

Cat. No.	Product Name	Type

HY-15920

INT 3 Publications Verification Iodonitrotetrazolium chloride; p-Iodonitrotetrazolium violet	Biochemical Assay Reagents
INT (Iodonitrotetrazolium chloride) is a biochemical reagent mainly used in the iodonitrotetrazolium chloride (INT) colorimetric method to assess the metabolic activity of cells and the activity of enzymes .

HY-15932

TOOS

TOOS sodium salt

Biochemical Assay Reagents

TOOS (TOOS sodium salt) is a highly water-soluble aniline derivative widely used in diagnostics and biological experiments. TOOS can be combined with 3-methyl-2-benzothiazolinone hydrazone hydrochloride (MBTH) to form a chromogenic system to measure oxidase activity. In the MBTH-TOOS chromogenic system, MBTH is catalytically oxidized to produce (-NH) free radicals, which react with TOOS to form colorless compounds. Furthermore, the colorless compound undergoes a disproportionation reaction to produce a blue-violet quinoid compound .

HY-W110794

*Crystal violet, IND (0.0-2.0)*	Biochemical Assay Reagents
Crystal violet, IND (0.0-2.0) is a specialized indicator suitable for strongly acidic systems, which reflects changes in pH within the range of 0.0-2.0 through color changes. Crystal violet, IND (0.0-2.0) is widely used in acid-base titration, chemical analysis, and industrial testing fields .

HY-D0854

Acid Red sodium

Acid violet 19; Acid fuchsin sodium

Biochemical Assay Reagents

Acid Red is a class of synthetic dyes commonly used in the textile, paper and ink industries. They are in the category of acid dyes, which means they are water soluble and have acidic properties. Acid Red dye produces bright, vibrant colors that don't fade easily, but are not as durable as some other dyes. They can be used to dye a wide variety of fibers including wool, silk and nylon, as well as paper and leather.

HY-D0798

Catechol violet	Biochemical Assay Reagents
Catechol violet is an efficient and versatile ligand for Cu(I)-catalyzed C-S coupling reactions. Catechol violet is also a complexometric indicator dye .

HY-131490

Tetrazolium violet

violet tetrazolium

Biochemical Assay Reagents

Tetrazolium violet is a redox indicator commonly used in various biochemical assays to measure cell viability and metabolic activity. Tetrazolium Violet has unique chemical properties that allow it to be reduced by cellular enzymes such as dehydrogenases to form a purple formazan product that can be detected spectrophotometrically. This makes it a useful tool for assessing cell health and growth in culture or tissue samples.

HY-W127515

Trans-2,cis-6-Nonadienal

violet leaf aldehyde

Biochemical Assay Reagents

Trans-2, cis-6-NonadienalIt is an organic compound belonging to aldehydes. It has a strong, pungent smell and is commonly found in a variety of foods, including fruits and vegetables. Trans-2, cis-6-NonadienalIt has a variety of applications in the flavor and fragrance industry, especially as a fragrance agent in products such as perfume, cologne and air fresheners. In addition, it can also be used as an intermediate in the synthesis of various chemicals and drugs.

HY-D1181

New Fuchsin Basic violet 2	Biochemical Assay Reagents
New Fuchsin is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

HY-W110783

*Methyl violet* indicator** Methyl violet	Biochemical Assay Reagents
Methyl violet indicator (Methyl violet) is a kind of biological materials or organic compounds that are widely used in life science research .

HY-118755

*Acid violet* 43**	Biochemical Assay Reagents
Acid violet 43 is a biochemical reagent.

HY-157361

*Ethyl Violet* Aziode Broth**	Biochemical Assay Reagents
Ethyl Violet Aziode Broth is a special medium for growth culture of streptococcus. The composition of 1 litre medium is 35.8 g Ethyl Violet Aziode Broth.

HY-W750458

*Acid Violet* 7**	Biochemical Assay Reagents
Acid Violet 7 is an azo dye that can be used to determine the degradation of dyes by various microorganisms .

HY-157350

Violet Red Bile Agar VRBA	Biochemical Assay Reagents
Violet Red Bile Agar can be used for solid plate detection of coliforms (GB, SN standards). Violet Red Bile Agar ingredients include peptone, yeast powder, sodium chloride, lactose, bile salts, crystal violet, neutral red, agar .

HY-157356

Violet Red Bile Glucose Agar

Biochemical Assay Reagents

Violet Red Bile Glucose Agar can be used for counting intestinal bacteria and identification of enterobacteriaceae. The composition of 1 liter of Violet Red Bile Glucose Agar contains: 7.0 g gelatin pancreatic enzyme hydrolysate, 3.0 g yeast extract powder, 1.5 g sodium deoxycholate, 10.0 g glucose, 5.0 g sodium chloride, 0.03 g neutral red, 0.002 g crystal violet, and 15.0 g agar in per liter .

HY-W020211

*Benzo Red Violet* 4B**	Biochemical Assay Reagents
Benzopurpurine 4B is a dis-azo dye. Benzopurpurine 4B Can be used as biological stain .

HY-W127515R

trans-2,cis-6-Nonadienal (Standard)

violet leaf aldehyde (Standard)

Biochemical Assay Reagents

trans-2,cis-6-Nonadienal (Standard) is the analytical standard of trans-2,cis-6-Nonadienal. This product is intended for research and analytical applications. Trans-2, cis-6-NonadienalIt is an organic compound belonging to aldehydes. It has a strong, pungent smell and is commonly found in a variety of foods, including fruits and vegetables. Trans-2, cis-6-NonadienalIt has a variety of applications in the flavor and fragrance industry, especially as a fragrance agent in products such as perfume, cologne and air fresheners. In addition, it can also be used as an intermediate in the synthesis of various chemicals and drugs.

Cat. No.	Product Name

HY-K0315

Hematoxylin-Eosin Staining Kit 5+ Cited Publications
MCE Hematoxylin-Eosin Staining Kit can be used for cell staining, the combination of hematoxylin and eosin results in a staining pattern where the cytoplasm appears red or pink and the nucleus takes on a blue or blue-violet.

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-106784A

(E)-Ajoene	Natural Products Allium sativum L. Plants Amaryllidaceae Source Classification	Fungal Apoptosis
(E)-Ajoene is a oxygenated ajoene and organosulfur compound, which can be acquired via allicin decomposing. The polysulfides from garlic can be converted by human red blood cells into hydrogen sulfide (H2S) and allyl glutathione. (E)-Ajoene has been proved to show neuroprotective effects against ischemic damage. (E)-Ajoene is orally active to inhibit lipid peroxidation. (E)-Ajoene increases the number of cresyl violet-positive neurons and decreases the number of reactive gliosis in the CA1 region .

HY-N7171

4,4'-Di-O-methylellagic acid 4,4'-DiOMEA; Nasutin C	Animals Phenols Polyphenols Source Classification	Wnt
4,4'-Di-O-methylellagic acid (4,4'-DiOMEA; Nasutin C) can be isolated from the Australian termites. 4,4'-Di-O-methylellagic acid is blue-fluorescent under ultra-violet light . 4,4'-Di-O-methylellagic acid inhibits colon cancer cell proliferation via the wnt signal pathway .

HY-N8408

Peonidin 3,5-diglucoside	Rhododendron simsii Planch. Phenols Polyphenols Plants Ericaceae Source Classification	Others
Peonidin 3,5-diglucoside is a classic anthocyanin isolated from violet flowers .

Cat. No.	Product Name	Chemical Structure

HY-B0324AS

*Crystal Violet-d6*
Crystal Violet-d₆ is the deuterium labeled Crystal Violet (HY-B0324A). Crystal Violet, also known as Gentian violet, methyl violet 10B, is a triphenyl-methane, an alkaline dye that binds to DNA in the nucleus of a cell, staining it a deep purple. It is often used for Gram staining to classify bacteria, or for cell or histological staining .

HY-D0233S

Leucocrystal violet-d6

Leucocrystal violet-d₆ is the deuterium labeled Leucocrystal violet (HY-D0233). Leucocrystal violet is a cationic triarylmethane dye. Leucocrystal violet generates a colored purple product in the presence of hydrogen peroxide and horseradish peroxidase, or when oxidized by periodate under the catalysis of horseradish peroxidase. Leucocrystal violet serves as a chromogenic reagent for the determination of submicrogram-level hydrogen peroxide, with no interference from tryptophan, persulfate or chromate. Leucocrystal violet reacts with blood to produce a purple/violet color in the presence of hydrogen peroxide; it forms a very weak fluorophore when acting with whole blood in an unbuffered solution, with a maximum absorption wavelength of 630 nm and a maximum fluorescence emission wavelength of 665 nm upon excitation at 630 nm. Leucocrystal violet is widely used for staining blood residues on porous and non-porous materials.

HY-W127515S

trans-2,cis-6-Nonadienal-13C2

trans-2,cis-6-Nonadienal- ¹³C₂ is ¹³C labeled trans-2,cis-6-Nonadienal (HY-W127515). Trans-2, cis-6-NonadienalIt is an organic compound belonging to aldehydes. It has a strong, pungent smell and is commonly found in a variety of foods, including fruits and vegetables. Trans-2, cis-6-NonadienalIt has a variety of applications in the flavor and fragrance industry, especially as a fragrance agent in products such as perfume, cologne and air fresheners. In addition, it can also be used as an intermediate in the synthesis of various chemicals and drugs.

Cat. No.	Product Name		Classification

HY-W800694

BP Fluor 405 alkyne triTEA		Alkynes
BP Fluor 405 alkyne triTEA is a blue-fluorescent dye that often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 alkyne triTEA reacts with azides via a copper-catalyzed click reaction (CuAAC) to form a stable triazole linker. A probe for copper-less detection (BP Fluor 405 DBCO) is also available for application where the presence of copper is not acceptable.

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