Cy3 NHS ester

By Targets:	Calcium Channel (1) Fluorescent Dye (13) Reactive Oxygen Species (ROS) (1)
By Research Areas:	Metabolic Disease (1)

Targets Recommended: CETP Carboxylesterase (CES) Hormone-Sensitive Lipase (HSL)

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-D0823

CY3-SE 1 Publications Verification Sulfo-Cy3 NHS ester; Sulfo Cyanine3 NHS ester	Fluorescent Dye	Others
Cy3-SE (Sulfo-Cy3 NHS ester; Sulfo Cyanine3 NHS ester) is a sulfonated cyanine dye-derived fluorescent labeling reagent with λ_ex of about 515 nm and λ_em of about 568 nm. Cy3-SE can interact with the π-π stacking of biomolecules (e.g., nucleoside monophosphates, proteins), inhibiting the photoisomerization process and increasing the fluorescence quantum yield and lifetime .

HY-134124

Glutathione ethyl ester	Reactive Oxygen Species (ROS)	Metabolic Disease
Glutathione ethyl ester is a cell-permeable GSH donor and provides an efficient supply of GSH to the oocyte. Glutathione ethyl ester shows positive effect on the in vitro production of embryos by enhancement of the antioxidative defense .

HY-112498

Cy3 NHS ester 5+ Cited Publications Cyanine3 NHS ester	Fluorescent Dye	Others
Cy3 NHS ester is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .

HY-D1849

Cy3B NHS ester	Fluorescent Dye	Others
Cy3B NHS ester is a fluorescent dye compound that is commonly used in biomarking and fluorescent labeling experiments, especially for labeling biomolecules containing amino functional groups (amine groups), such as proteins, antibodies or peptides.

HY-D1848A

*Sulfo-Cy3-NHS* ditriethylamine**	Fluorescent Dye	Others
Sulfo-Cy3-NHS ditriethylamine is a derivative of Cy3 (Cyanine3) (HY-D0822) dye containing sulfonate ions. Sulfo-Cy3-NHS ditriethylamine contains sulfonate ions and has improved water solubility. Sulfo-Cy3-NHS ditriethylamine can label biomolecules containing amine groups, such as proteins, antibodies or peptides.

HY-D1596A

Cyanine 3.5 bromide Cy3.5 NHS ester bromide; Cy 3.5 bromide	Fluorescent Dye	Others
Cyanine 3.5 bromide (Cy3.5 NHS ester bromide) is an analog of the Cy3.5 fluorophore. Cyanine 3.5 bromide is a red reactive fluorescent dye. Cyanine 3.5 bromide is used to label amino groups in peptides, proteins, and oligonucleotides. (λ_ex=591 nm, λ_em=604 nm) .

HY-DY1069

Cy3 NHS ester (solution)	Fluorescent Dye	Others
Cy3 NHS ester (solution) is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance . Solvent and concentration: DMSO: 10 mM

HY-D1596

Cyanine 3.5 chloride Cy3.5 NHS ester chloride; Cy 3.5 chloride	Fluorescent Dye	Others
Cyanine 3.5 (Cy3.5 NHS ester) chloride is an analog of Cy3.5 fluorophore. Cyanine 3.5 chloride is a reactive, red fluorescent dye. Cyanine 3.5 chloride is used for labeling of amino-groups in peptides, proteins, and oligonucleotides. (λ_ex=591 nm, λ_em=604 nm) .

HY-112498A

Cy3 NHS ester bromide Cyanine3 NHS ester bromide	Fluorescent Dye	Others
Cy3 NHS ester bromide is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .

HY-D1848

*Sulfo-Cy3-NHS* disodium**	Fluorescent Dye	Others
Sulfo-Cy3-NHS disodium is a derivative of Cy3 (Cyanine3) (HY-D0822) dye containing sulfonate ions. Sulfo-Cy3-NHS disodium contains sulfonate ions and has improved water solubility. Sulfo-Cy3-NHS disodium can label biomolecules containing amine groups, such as proteins, antibodies or peptides.

HY-D2486

*Sulfo Cy3* bis NHS ester**	Fluorescent Dye	Others
Sulfo Cy3 bis NHS ester is a derivative of Cy3 (HY-D0822) dye containing sulfonate ions. Sulfo Cy3 bis NHS ester can be used to label the primary amines (R-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

HY-D2766

DyLight 550 NHS ester	Fluorescent Dye	Others
BP Light 550 NHS ester is a vibrant orange-to-red fluorochrome with better performance than other rhodamine derivatives, including BP Fluor 555, TRITC, and Cy3 dye for fluorescent applications. The high water solubility of BP Light 550 means that a high dye-to-protein ratio can be attained without causing precipitation of the conjugates.

HY-D1596B

(E)-Cyanine 3.5 chloride (E)-Cy3.5 NHS ester chloride; (E)-Cy 3.5 chloride	Fluorescent Dye	Others
(E)-Cyanine 3.5 ((E)-Cy3.5 NHS ester) chloride is a cyanine dye functionalized with a N-hydroxysuccinimide (NHS) group. (E)-Cyanine 3.5 chloride contains NHS groups that react with ammonia to form ester bonds (Ex/Em = 586/612 nm).

HY-P2424

Cholecystokinin-J CCK-J	Calcium Channel	Others
Cholecystokinin-J (CCK-J), a cholecystokinin, stimulates Ca ²⁺ release .

HY-D1388

Cyanine3 NHS ester tetrafluoroborate	Fluorescent Dye	Others
Cy3 NHS ester is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .

HY-D3358

*Disulfo-Cy3* NHS ester**

Cat. No.	Product Name	Type

HY-D0823

CY3-SE 1 Publications Verification Sulfo-Cy3 NHS ester; Sulfo Cyanine3 NHS ester	Fluorescent Dyes
Cy3-SE (Sulfo-Cy3 NHS ester; Sulfo Cyanine3 NHS ester) is a sulfonated cyanine dye-derived fluorescent labeling reagent with λ_ex of about 515 nm and λ_em of about 568 nm. Cy3-SE can interact with the π-π stacking of biomolecules (e.g., nucleoside monophosphates, proteins), inhibiting the photoisomerization process and increasing the fluorescence quantum yield and lifetime .

HY-112498

Cy3 NHS ester 5+ Cited Publications Cyanine3 NHS ester	Fluorescent Dyes
Cy3 NHS ester is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .

Cy3 NHS ester

5+ Cited Publications

Cyanine3 NHS ester

Fluorescent Dyes

Cy3 NHS ester is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .

HY-D1849

Cy3B NHS ester	Fluorescent Dyes
Cy3B NHS ester is a fluorescent dye compound that is commonly used in biomarking and fluorescent labeling experiments, especially for labeling biomolecules containing amino functional groups (amine groups), such as proteins, antibodies or peptides.

HY-D1848A

*Sulfo-Cy3-NHS* ditriethylamine**	Fluorescent Dyes
Sulfo-Cy3-NHS ditriethylamine is a derivative of Cy3 (Cyanine3) (HY-D0822) dye containing sulfonate ions. Sulfo-Cy3-NHS ditriethylamine contains sulfonate ions and has improved water solubility. Sulfo-Cy3-NHS ditriethylamine can label biomolecules containing amine groups, such as proteins, antibodies or peptides.

HY-D1596A

Cyanine 3.5 bromide Cy3.5 NHS ester bromide; Cy 3.5 bromide	Fluorescent Dyes
Cyanine 3.5 bromide (Cy3.5 NHS ester bromide) is an analog of the Cy3.5 fluorophore. Cyanine 3.5 bromide is a red reactive fluorescent dye. Cyanine 3.5 bromide is used to label amino groups in peptides, proteins, and oligonucleotides. (λ_ex=591 nm, λ_em=604 nm) .

HY-DY1069

Cy3 NHS ester (solution)	Fluorescent Dyes
Cy3 NHS ester (solution) is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance . Solvent and concentration: DMSO: 10 mM

Cy3 NHS ester (solution)

Fluorescent Dyes

Cy3 NHS ester (solution) is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .
Solvent and concentration: DMSO: 10 mM

HY-D1596

Cyanine 3.5 chloride Cy3.5 NHS ester chloride; Cy 3.5 chloride	Fluorescent Dyes
Cyanine 3.5 (Cy3.5 NHS ester) chloride is an analog of Cy3.5 fluorophore. Cyanine 3.5 chloride is a reactive, red fluorescent dye. Cyanine 3.5 chloride is used for labeling of amino-groups in peptides, proteins, and oligonucleotides. (λ_ex=591 nm, λ_em=604 nm) .

HY-D1848

*Sulfo-Cy3-NHS* disodium**	Fluorescent Dyes
Sulfo-Cy3-NHS disodium is a derivative of Cy3 (Cyanine3) (HY-D0822) dye containing sulfonate ions. Sulfo-Cy3-NHS disodium contains sulfonate ions and has improved water solubility. Sulfo-Cy3-NHS disodium can label biomolecules containing amine groups, such as proteins, antibodies or peptides.

HY-D2486

*Sulfo Cy3* bis NHS ester**	Fluorescent Dyes
Sulfo Cy3 bis NHS ester is a derivative of Cy3 (HY-D0822) dye containing sulfonate ions. Sulfo Cy3 bis NHS ester can be used to label the primary amines (R-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

HY-D2766

DyLight 550 NHS ester	Fluorescent Dyes
BP Light 550 NHS ester is a vibrant orange-to-red fluorochrome with better performance than other rhodamine derivatives, including BP Fluor 555, TRITC, and Cy3 dye for fluorescent applications. The high water solubility of BP Light 550 means that a high dye-to-protein ratio can be attained without causing precipitation of the conjugates.

HY-D1388

Cyanine3 NHS ester tetrafluoroborate	Fluorescent Dyes
Cy3 NHS ester is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .

Cyanine3 NHS ester tetrafluoroborate

Fluorescent Dyes

Cy3 NHS ester is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis . CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance .

HY-D3358

*Disulfo-Cy3* NHS ester**	Fluorescent Dyes

Cat. No.	Product Name	Target	Research Area

HY-134124

Glutathione ethyl ester	Reactive Oxygen Species (ROS)	Metabolic Disease
Glutathione ethyl ester is a cell-permeable GSH donor and provides an efficient supply of GSH to the oocyte. Glutathione ethyl ester shows positive effect on the in vitro production of embryos by enhancement of the antioxidative defense .

HY-P2424

Cholecystokinin-J CCK-J	Calcium Channel	Others
Cholecystokinin-J (CCK-J), a cholecystokinin, stimulates Ca ²⁺ release .

Cat. No.	Product Name

HY-KD1103

Red Fluorescent Rapid Labeling Kit (CY3）
Red Fluorescent Rapid Labelling Kit (CY3) enables red fluorescent labelling of proteins. Maximum excitation/ Emission Wavelength: 550/570 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation with the antibody/protein. Typically, one IgG molecule can bind 2–8 molecules of CY3. The entire experiment can be completed within 2 hours.

Red Fluorescent Rapid Labeling Kit (CY3）

Red Fluorescent Rapid Labelling Kit (CY3) enables red fluorescent labelling of proteins. Maximum excitation/ Emission Wavelength: 550/570 nm. Based on NHS ester chemistry, the NHS ester-activated fluorescent dye reacts with primary amines in the antibody/protein to be labelled at pH 7-9, forming stable amide bonds to achieve conjugation with the antibody/protein. Typically, one IgG molecule can bind 2–8 molecules of CY3. The entire experiment can be completed within 2 hours.

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-D1596B

(E)-Cyanine 3.5 chloride (E)-Cy3.5 NHS ester chloride; (E)-Cy 3.5 chloride	Lipid	Fluorescent Dye
(E)-Cyanine 3.5 ((E)-Cy3.5 NHS ester) chloride is a cyanine dye functionalized with a N-hydroxysuccinimide (NHS) group. (E)-Cyanine 3.5 chloride contains NHS groups that react with ammonia to form ester bonds (Ex/Em = 586/612 nm).

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