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Results for "

TCO

" in MedChemExpress (MCE) Product Catalog:

By Targets:	ADC Linker (83) Amino Acid Derivatives (1) Biochemical Assay Reagents (32) Drug Derivative (1) Drug Intermediate (1) Drug Isomer (2) Drug-Linker Conjugates for ADC (3) E3 Ligase Ligand-Linker Conjugates (1) Epigenetic Reader Domain (3) ERK (1) Fluorescent Dye (43) GPR139 (2) Liposome (2) Microtubule/Tubulin (2) MOFs (1) Molecular Glues (1) PROTAC Linkers (75) PROTACs (1) PSMA (1) Radionuclide-Drug Conjugates (RDCs) (1) Reference Standards (2) Small Interfering RNA (siRNA) (1) Topoisomerase (1)
By Research Areas:	Cancer (163) Metabolic Disease (1) Neurological Disease (2)
Click Chemistry:	ADC Synthesis (70) Labeling and Fluorescence Imaging (27) TCO (98) DBCO (12) PROTAC Synthesis (43) Azide (1) Tetrazine (96)
Oligonucleotides:	Pegylated Lipids (1) Human Pre-designed siRNA Sets (1) siRNAs (1)

248

Inhibitors & Agonists

Fluorescent Dye

Biochemical Assay Reagents

199

Click Chemistry

Oligonucleotides

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-141165

TCO-NHS ester	PROTAC Linkers	Cancer
TCO-NHS ester is an alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTACs . TCO-NHS ester is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-148057

TCO-PEG4-VC-PAB-MMAE	Drug-Linker Conjugates for ADC	Cancer
TCO-PEG4-VC-PAB-MMAE is a agent-linker conjugate for ADC. TCO-PEG4-VC-PAB-MMAE contains a cleavable ADC linker (TCO-PEG4-VC-PA) and a potent tubulin inhibitor MMAE (HY-15162) . TCO-PEG4-VC-PAB-MMAE is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-141167A

TCO-PEG4-NHS ester	PROTAC Linkers	Cancer
TCO-PEG4-NHS ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs . TCO-PEG4-NHS ester is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-141186

TCO-OH	PROTAC Linkers	Cancer
TCO-OH is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-151696

TCO-PEG3-maleimide	ADC Linker	Others
TCO-PEG3-maleimide (TCO-PEG3-NEM) is a click chemistry reagent. TCO-PEG3-maleimide efficiently binds TCO (trans-cyclooctene) moiety to thiol-containing molecules (such as antibodies, cysteine-containing peptides) .

HY-141190

Gly-Gly-Gly-PEG3-TCO	ADC Linker	Cancer
Gly-Gly-Gly-PEG3-TCO is a 3 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . Gly-Gly-Gly-PEG3-TCO is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-151698

TCO-NHS Ester (axial)	ADC Linker	Others
TCO-NHS Ester axial is a click chemistry reagent that can be used as a building block in amine reactions. TCO-NHS Ester axial contains TCO groups, which can undergo inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-141175

TCO-PNB ester	Biochemical Assay Reagents	Others
TCO-PNB ester is an amine-reactive building block used for modification of amine-containing molecule. TCO-PNB ester contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing a Tetrazine group .

HY-170704

DSPE-PEG2000-TCO	Liposome	Metabolic Disease Cancer
DSPE-PEG2000-TCO is a click chemistry coupling partner. DSPE-PEG2000-TCO undergoes a reverse electron-demand Diels-Alder click reaction to form a covalent linkage with tetrazine-modified Cetuximab (HY-P9905). DSPE-PEG2000-TCO maintains the stability of lipid nanoparticles (LNPs) and has high mRNA encapsulation efficiency, which supports cellular uptake and mRNA transfection. DSPE-PEG2000-TCO is used to prepare EGFR-targeted and APN-targeted mRNA-loaded LNPs, mediating receptor-dependent endocytosis, mRNA delivery, and intestinal epithelial transcytosis .

HY-W784030

*N-TCO-L-lysine*	Amino Acid Derivatives Biochemical Assay Reagents Fluorescent Dye	Others
N-TCO-L-lysine is a non-canonical amino acid. N-TCO-L-lysine contains a trans-cyclooctene (TCO) bioorthogonal reactive linker. N-TCO-L-lysine undergoes a bioorthogonal click reaction with SiR-Tz to enable fluorescent labeling of endogenously expressed proteins with site-specific incorporation. When used in combination with SiR-Tz, N-TCO-L-lysine allows super-resolution and live-cell imaging of endogenous proteins .

HY-141178

TCO-PEG3-amine	PROTAC Linkers	Cancer
TCO-PEG3-amine is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-148864

JQ1-TCO	Epigenetic Reader Domain	Cancer
JQ1-TCO is the double bond E configuration of JQ1-TCO (HY-148864A). JQ1-TCO is a derivative of JQ1 (HY-13030), an inhibitor of BET. JQ1-TCO is suitable for click chemistry and can be used as molecular probes in vitro and in vivo .

HY-136050

TCO-PEG3-Biotin	ADC Linker	Cancer
TCO-PEG3-Biotin is a cleavable 3 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . TCO-PEG3-Biotin is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-141170

TCO-PEG12-NHS ester	ADC Linker PROTAC Linkers	Cancer
TCO-PEG12-NHS ester is a PEG-based PROTAC linker can be used in the synthesis of PROTACs. TCO-PEG12-NHS ester is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs) .

HY-D1071

DBCO-PEG12-TCO	Fluorescent Dye	Others
DBCO-PEG12-TCO cantains a TCO and a DBCO moiety. TCO group can specifically react with terrahydrazine. DBCO-PEG12-TCO is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups. DBCO-PEG12-TCO also contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-140731

**TCO-PEG5000-TCO**	PROTAC Linkers	Cancer
TCO-PEG5000-TCO is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs . TCO-PEG5000-TCO is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-151759

Sulfo-Cy5-TCO	Fluorescent Dye	Cancer
Sulfo-Cy5-TCO is a water-soluble sulfonated Cy5 fluorescent reagent containing trans-cyclooctene (TCO). Sulfo-Cy5-TCO undergoes an inverse electron demand Diels‑Alder reaction with tetrazine-labeled fixed breast cancer cells to achieve cell labeling. Sulfo-Cy5-TCO is used for fluorescent labeling and imaging of biological samples such as proteins and cells .

HY-141176

TCO-amine	PROTAC Linkers	Cancer
TCO-amine is an alkyl chain-based PROTAC linker that can be used in the synthesis of PROTACs . TCO-amine is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-133428

DBCO-PEG3-TCO	ADC Linker	Cancer
DBCO-PEG3-TCO is a non-cleavable 3 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . DBCO-PEG3-TCO is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups. DBCO-PEG3-TCO also contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-W872575

TCO4-PEG3-Maleimide	PROTAC Linkers	Cancer
TCO4-PEG3-Maleimide is a PROTAC linker and belongs to the PEG class. TCO4-PEG3-Maleimide contains TCO and Maleimide groups, which can undergo specific "click" reactions with tetrazine groups or thiol groups, or "mercapto-acrylamide" reactions.

HY-141183

TCO-PEG4-biotin	PROTAC Linkers	Cancer
TCO-PEG4-biotin is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-141177

TCO-PEG2-amine	PROTAC Linkers	Cancer
TCO-PEG2-amine is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-141169

TCO-PEG8-NHS ester	PROTAC Linkers	Cancer
TCO-PEG8-NHS ester is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-101777

TC-O 9311	GPR139	Neurological Disease
TC-O 9311 is a potent orphan G protein-coupled receptor 139 (GPR139) agonist with an EC₅₀ of 39 nM .

HY-D2143

Cy5-PEG3-TCO	Fluorescent Dye	Others
Cy5-PEG3-TCO is a dye derivative of Cyanine 5 (Cy5) (HY-D0821) containing 3 PEG units. Cy5-PEG3-TCO utilizes its own TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-156488

TCO-PEG7-Maleimide	Biochemical Assay Reagents	Others
TCO-PEG7-Maleimide contains TCO groups, and can undergo specific "click" reactions with tetrazine groups.

HY-141180

TCO-PEG6-amine	PROTAC Linkers	Cancer
TCO-PEG6-amine is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-141184

TCO-PEG9-maleimide	PROTAC Linkers	Cancer
TCO-PEG9-maleimide is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-130966

TCO-PEG1-Val-Cit-PABC-OH	ADC Linker	Cancer
TCO-PEG1-Val-Cit-PABC-OH is a cleavable 1 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . TCO-PEG1-Val-Cit-PABC-OH is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-W800839

TCO-PEG4-TFP ester	Biochemical Assay Reagents	Others
TCO-PEG4-TFP Ester is an amine-reactive labeling reagent used to modify proteins, antibodies, and other amine-containing biopolymers. A 2,3,5,6-tetrafluorophenol (TFP) is a reactive ester that displays much better stability toward hydrolysis in aqueous media resulting in more efficiency and better reproducible labeling of biopolymers. TFP ester of carboxylic acids react with primary amines at the same rate as NHS ester forming covalent amide bond that is identical to one formed by the reaction between primary amines and NHS esters or sulfo-NHS esters.

HY-141187

**TCO-PEG3-TCO**	PROTAC Linkers	Cancer
TCO-PEG3-TCO is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-156304

Coumarin-C2-TCO	Fluorescent Dye	Others
Coumarin-C2-TCO is a dye derivative of Coumarin (HY-N0709). Coumarin-C2-TCO utilizes its TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-156392

TCO4-PEG7-Maleimide	PROTAC Linkers	Cancer
TCO4-PEG7-Maleimide is a PROTAC linker and belongs to the PEG class. TCO4-PEG7-Maleimide contains TCO and Maleimide groups, which can undergo specific "click" reactions with tetrazine groups or thiol groups, or "mercapto-acrylamide" reactions.

HY-136039

TCO-SS-amine	ADC Linker	Cancer
TCO-SS-amine is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . TCO-SS-amine is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-155322

Cy3-PEG2-TCO	Fluorescent Dye	Others
Cy3-PEG2-TCO is a dye derivative of Cyanine 3 (Cy3) (HY-D0822) containing 2 PEG units. Cy3-PEG2-TCO can use its own TCO group to perform an inverse electron demand Diels-Alder reaction (iEDDA) with molecules with Tetrazine groups.

HY-140015

TCO-PEG3-acid	Biochemical Assay Reagents	Others
TCO-PEG3-acid is a click chemistry reagent that contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups .

HY-140310

TCO-PEG4-DBCO	ADC Linker PROTAC Linkers	Cancer
TCO-PEG4-DBCO is a PEG-based PROTAC linker can be used in the synthesis of PROTACs. TCO-PEG4-DBCO is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . TCO-PEG4-DBCO is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups. TCO-PEG4-DBCO also contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-202399

TCO-PEG2-NHS ester	PROTAC Linkers	Others
TCO-PEG2-NHS ester is a PEG/Alkyl/ether-based PROTAC linker can be used in the synthesis of PROTACs. TCO-PEG2-NHS ester is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups .

HY-164785

TCO-PEG5-C2-Mal	Drug Intermediate	Others
TCO-PEG5-maleimide is a PEG linker with TCO and maleimide groups, specifically enabling tetrazine click chemistry and thiol conjugation for bioconjugation, probe design, and drug delivery.

HY-157006A

TCO-PEG3-NH2	Biochemical Assay Reagents	Others
TCO-PEG3-NH2 is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups. The amino group of TCO-PEG3-NH2 can react with compounds containing carboxyl, ester, or other reactive groups to form stable amide bonds, enabling site-specific conjugation or modification of biomolecules.

HY-151769

TCO-PEG2-Sulfo-NHS ester-EDC Urea	ADC Linker	Others
TCO-PEG2-Sulfo-NHS ester-EDC Urea is a click chemistry reagent containing an azide group. TCO-PEG2-Sulfo-NHS ester is a PEG linker containing a TCO moiety and a sulfo-NHS ester moiety. The sulfo group makes this molecule soluble in waqueous buffer. This reagent can be used to label antibodies, proteins and other primary amine-containing macromolecules with TCO moiety. Reagent grade, for research use only . TCO-PEG2-Sulfo-NHS ester-EDC Urea is a click chemistry reagent, it contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-141173

TCO-PEG8-TFP ester	PROTAC Linkers	Cancer
TCO-PEG8-TFP ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-141179

TCO-PEG4-amine	PROTAC Linkers	Cancer
TCO-PEG4-amine is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-136100

TCO-PEG1-Val-Cit-PABC-PNP	ADC Linker	Cancer
TCO-PEG1-Val-Cit-PABC-PNP is a cleavable 1 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs). TCO-PEG1-Val-Cit-PABC-PNP is a click chemistry reagent, which contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups .

HY-136100A

TCO-PEG1-Val-Cit-PABC-PNP TFA	ADC Linker	Cancer
TCO-PEG1-Val-Cit-PABC-PNP TFA is a cleavable 1 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs). TCO-PEG1-Val-Cit-PABC-PNP TFA is a click chemistry reagent, which contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups .

HY-141172

TCO-PEG2-Sulfo-NHS ester	PROTAC Linkers	Cancer
TCO-PEG2-Sulfo-NHS ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-141189

**TCO-PEG8-TCO**	PROTAC Linkers	Cancer
TCO-PEG8-TCO is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-173476

TcO-ABX474 TCO-5	PSMA	Cancer
TcO-ABX474 (TcO-5) is a potent prostate-specific membrane antigen (PSMA) inhibitor with a K_d value of 6.1 nM. TcO-ABX474 inhibits prostate cancer cell growth and metastasis. TcO-ABX474 is promising for research of prostate cancer .

HY-D2248

ICG-TCO	Fluorescent Dye	Others
ICG-TCO is a fluorescent dye coupled by Indocyanine Green (ICG) and TCO. ICG-TCO can be used for detection and visualization of tetrazine-containing molecules.

HY-D2142

Cy5-PEG2-TCO	Fluorescent Dye	Others
Cy5-PEG2-TCO is a fluorescent dye that reacts with tetrazines. Cy5-PEG2-TCO contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing a Tetrazine group.

Cat. No.	Product Name	Type

HY-D1071

DBCO-PEG12-TCO

Fluorescent Dye

DBCO-PEG12-TCO cantains a TCO and a DBCO moiety. TCO group can specifically react with terrahydrazine. DBCO-PEG12-TCO is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups. DBCO-PEG12-TCO also contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.

HY-138659

Janelia Fluor® 646, Tetrazine

JF646, Tetrazine

Fluorescent Dye

Janelia Fluor 646, Tetrazine (JF646, Tetrazine) a red fluorescent dye that contains a tetrazine group. JF646, Tetrazine can be used in cellular imaging . Janelia Fluor products are licensed under U.S. Pat. Nos. 9,933,417, 10,018,624 and 10,161,932 and other patents from Howard Hughes Medical Institute. Janelia Fluor? 646, Tetrazine is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

HY-151759

Sulfo-Cy5-TCO	Fluorescent Dye
Sulfo-Cy5-TCO is a water-soluble sulfonated Cy5 fluorescent reagent containing trans-cyclooctene (TCO). Sulfo-Cy5-TCO undergoes an inverse electron demand Diels‑Alder reaction with tetrazine-labeled fixed breast cancer cells to achieve cell labeling. Sulfo-Cy5-TCO is used for fluorescent labeling and imaging of biological samples such as proteins and cells .

HY-D1482

Sulfo-Cy5-tetrazine	Fluorescent Dye
Sulfo Cy5-tetrazine is a tetrazine-coupled Cy5 (HY-D0821) derivative dye with fluorescence properties similar to CY5 (Ex/Em=633/647 nm). Sulfo-Cy5-tetrazine is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups .

HY-D2143

Cy5-PEG3-TCO	Fluorescent Dye
Cy5-PEG3-TCO is a dye derivative of Cyanine 5 (Cy5) (HY-D0821) containing 3 PEG units. Cy5-PEG3-TCO utilizes its own TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-D2489

Cy5-tetrazine	Fluorescent Dye
Cy5-tetrazine is a fluorescent dye. Cy5-tetrazine is a CY5 (HY-D0821) derivative contains a tetrazine moiety. Cyanine5.5 tetrazine can be used for in vivo imaging and low background applications. Cy5-tetrazine is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups .

HY-D1557

Cyanine5.5 tetrazine

Fluorescent Dye

Cyanine5.5 tetrazine is a far-infrared luminescent dye. Cyanine5.5 tetrazine is a Cyanine5.5 (HY-D0925A) derivative contains a tetrazine moiety. Cyanine5.5 tetrazine can be used for in vivo imaging and low background applications. Cyanine5.5 tetrazine is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

HY-156304

Coumarin-C2-TCO	Fluorescent Dye
Coumarin-C2-TCO is a dye derivative of Coumarin (HY-N0709). Coumarin-C2-TCO utilizes its TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-155322

Cy3-PEG2-TCO	Fluorescent Dye
Cy3-PEG2-TCO is a dye derivative of Cyanine 3 (Cy3) (HY-D0822) containing 2 PEG units. Cy3-PEG2-TCO can use its own TCO group to perform an inverse electron demand Diels-Alder reaction (iEDDA) with molecules with Tetrazine groups.

HY-D2147

*Cy5-PEG7-TCO4*	Fluorescent Dye
Cy5-PEG7-TCO4 is a dye derivative of Cyanine 5 (Cy5) (HY-D0821) containing 7 PEG units. Cy5-PEG7-TCO4 utilizes its own TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-D2744

BP Fluor 488 TCO

Fluorescent Dye

BP Fluor 488 TCO reacts with tetrazines to produce a stable, covalent linkage, also referred to as the inverse-electron demand Diels-Alder cycloaddition reaction. This reaction is extremely fast (k > 800 M-1 s-1), selective, biocompatible, and does not require Cu-catalyst or elevated temperatures. Such excellent reaction rate constants are unparalleled by any other bioorthogonal reaction pair described to date.

HY-151712

Sulfo-Cy5-Methyltetrazine	Fluorescent Dye
Sulfo-Cy5-Methyltetrazine is a click chemistry reagent containing a methyltetrazine group. Sulfo-Cy5-Methyltetrazine acts as a fluorophore linker for trans-cyclooctene-based labeling. Sulfo-Cy5-Methyltetrazine shows good stability at physiological pH and is also highly reactive towards cyclooctene.

HY-D2248

ICG-TCO	Fluorescent Dye
ICG-TCO is a fluorescent dye coupled by Indocyanine Green (ICG) and TCO. ICG-TCO can be used for detection and visualization of tetrazine-containing molecules.

HY-D2142

Cy5-PEG2-TCO	Fluorescent Dye
Cy5-PEG2-TCO is a fluorescent dye that reacts with tetrazines. Cy5-PEG2-TCO contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing a Tetrazine group.

HY-D2243

Cy3.5 tetrazine	Fluorescent Dye
Cy3.5 tetrazineis a Tetrazine modified Cy3.5 fluorescent dye. SiR-tetrazine is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups .

HY-D2926

BG-Tetrazine

BG-Tz; SNAP-Tetrazine

Fluorescent Dye

BG-Tetrazine (BG-Tz; SNAP-Tetrazine) is a SNAP tag substrate that contains a methyl tetrazine group. BG-Tetrazine can specifically covalently label the target protein of the intracellular SNAP-tag fusion. The tetrazine group it carries can rapidly and efficiently undergo a bioorthogonal reaction with functional groups such as trans cyclooctene (TCO), thereby enabling multiple labeling, functionalization or enrichment of proteins. BG-Tetrazine can be applied in click chemistry .

HY-156303

Coumarin-PEG2-TCO	Fluorescent Dye
Coumarin-PEG2-TCO is a dye derivative of Coumarin (HY-N0709) containing 2 PEG units. Coumarin-PEG2-TCO utilizes its TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-156306

Coumarin-PEG3-TCO	Fluorescent Dye
Coumarin-PEG3-TCO is a dye derivative of Coumarin (HY-N0709) containing 3 PEG units. Coumarin-PEG3-TCO utilizes its TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-155324

Cy3-PEG7-TCO	Fluorescent Dye
Cy3-PEG7-TCO is a dye derivative of Cyanine 3 (Cy3) (HY-D0822) containing 7 PEG units. Cy3-PEG7-TCO can use its own TCO group to perform an inverse electron demand Diels-Alder reaction (iEDDA) with molecules with Tetrazine groups.

HY-D2144

Cy5-PEG7-TCO	Fluorescent Dye
Cy5-PEG7-TCO is a dye derivative of Cyanine 5 (Cy5) (HY-D0821) containing 7 PEG units. Cy5-PEG7-TCO utilizes its own TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-155323

Cy3-PEG3-TCO	Fluorescent Dye
Cy3-PEG3-TCO is a dye derivative of Cyanine 3 (Cy3) (HY-D0822) containing 3 PEG units. Cy3-PEG3-TCO can use its own TCO group to perform an inverse electron demand Diels-Alder reaction (iEDDA) with molecules with Tetrazine groups.

HY-D1867

Sulfo-Cy3-PEG2-TCO disodium

Fluorescent Dye

Sulfo-Cy3-PEG2-TCO disodium is a derivative of Cy3 (Cyanine3) (HY-D0822) dye containing sulfonate and TCO groups. The TCO groups of Sulfo-Cy3-PEG2-TCO disodium react with tetrazine functional groups in highly specific click chemistry to form covalent bonds. Thus, Sulfo-Cy3-PEG2-TCO disodium can be covalently bound to some biomolecules (especially antibodies, proteins, etc.) to track their location and dynamic changes in biological samples.

HY-155325

*Cy3-PEG2-TCO4*	Fluorescent Dye
Cy3-PEG2-TCO4 is a dye derivative of Cyanine 3 (Cy3) (HY-D0822) containing 2 PEG units. Cy3-PEG2-TCO4 can use its own TCO group to perform the inverse electron demand Diels-Alder reaction (iEDDA) with molecules with Tetrazine groups.

HY-D2146

*Cy5-PEG3-TCO4*	Fluorescent Dye
Cy5-PEG3-TCO4 is a dye derivative of Cyanine 5 (Cy5) (HY-D0821) containing 3 PEG units. Cy5-PEG3-TCO4 utilizes its own TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-155326

*Cy3-PEG3-TCO4*	Fluorescent Dye
Cy3-PEG3-TCO4 is a dye derivative of Cyanine 3 (Cy3) (HY-D0822) containing 3 PEG units. Cy3-PEG3-TCO4 can use its own TCO group to perform the inverse electron demand Diels-Alder reaction (iEDDA) with molecules with Tetrazine groups.

HY-D2145

*Cy5-PEG2-TCO4*	Fluorescent Dye
Cy5-PEG2-TCO4 is a dye derivative of Cyanine 5 (Cy5) (HY-D0821) containing 2 PEG units. Cy5-PEG2-TCO4 utilizes its own TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

HY-D2219

Sulfo-Cy7 tetrazine	Fluorescent Dye
Sulfo-Cy7 tetrazine is a near-infrared water-soluble fluorophore. Sulfo-Cy7 tetrazine contains the methyltetrazine group for rapid, efficient, and metal-free conjugation to cycloolefin in a reaction called TCO linkage .

HY-W800838

BP Fluor 488 Tetrazine

Fluorescent Dye

BP Fluor 488 Tetrazine is a bright, green-fluorescent probe used for detection TCO-tagged biopolymers. BP Fluor 488 Tetrazine demonstrates exceptionally fast cycloaddition kinetics (up to 30 000 M-1 s-1) with trans-cyclooctenes (TCO) as the dienophile, the fastest kinetics ever reported for any bioorthogonal reaction. In applications such as in vivo cancer imaging or pre?targeted cell labeling studies where rapid reaction kinetics is a must BP Fluor 488 Tetrazine probe would of great value.

HY-D1870

Sulfo-Cy3-PEG3-biotin potassium

Fluorescent Dye

Sulfo-Cy3-PEG3-biotin potassium is a biotin-modified derivative of Cy3 (Cyanine3) (HY-D0822) dye containing a TCO group. The TCO group of Sulfo-Cy3-PEG3-biotin potassium reacts with the tetrazine functional group in highly specific click chemistry to form a covalent bond. Thus, Sulfo-Cy3-PEG3-biotin potassium can be covalently bound to some biomolecules (especially antibodies, proteins, etc.) to track their location and dynamic changes in biological samples. And because it is labeled with biotin, it is often used in affinity chromatography experiments, such as immunoprecipitation.

HY-156309

Coumarin-PEG8-tetrazine	Fluorescent Dye
Coumarin-PEG8-tetrazine is a dye derivative of Coumarin (HY-N0709) containing 8 PEG units. Coumarin-PEG8-tetrazine contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

HY-D2117

TAMRA-PEG4-Me-Tet	Fluorescent Dye
TAMRA-PEG4-Me-Tet is a dye derivative of TAMRA (HY-135640) containing 4 PEG units. TAMRA-PEG8-Me-Tet contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

HY-D2118

TAMRA-PEG3-Me-Tet	Fluorescent Dye
TAMRA-PEG3-Me-Tet is a dye derivative of TAMRA (HY-135640) containing 3 PEG units. TAMRA-PEG3-Me-Tet contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

HY-D2116

TAMRA-PEG8-Me-Tet	Fluorescent Dye
TAMRA-PEG8-Me-Tet is a dye derivative of TAMRA (HY-135640) containing 8 PEG units. TAMRA-PEG8-Me-Tet contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

HY-W716774

5-TAMRA-Terazine	Fluorescent Dye
5-TAMRA-Terazine is a fluorescent dye that combines 5-TAMRA (HY-15942) with a Terazine group. 5-TAMRA-Terazine is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups (Ex/Em = 541/567 nm) .

HY-D2148

AF 430 tetrazine	Fluorescent Dye
AF 430 tetrazine is a derivative of the yellow fluorescent dye AF 430. AF430 has an excitation wavelength of 425 nm and an emission wavelength of 542 nm. AF 430 tetrazine contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups. To achieve specific coupling of dye labels and biomolecules .

HY-D2134

Cy5-PEG3-Tetrazin	Fluorescent Dye
Cy5-PEG3-Tetrazin is a dye derivative of Cyanine 5 (Cy5) (HY-D0821) containing 3 PEG units. Cy5-PEG3-Tetrazin contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

HY-D2159

Cy5-PEG8-Tetrazin	Fluorescent Dye
Cy5-PEG8-Tetrazin is a dye derivative of Cyanine 5 (Cy5) (HY-D0821) containing 7 PEG units. Cy5-PEG8-Tetrazin contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

HY-D1482A

Sulfo Cy5-tetrazine sodium	Fluorescent Dye
Sulfo Cy5-tetrazine sodium is a tetrazine-coupled Cy5 (HY-D0821) derivative dye with fluorescence properties similar to CY5 (Ex/Em=633/647 nm). Sulfo-Cy5-tetrazine sodium is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups .

HY-D1598

Sulfo-CY3 tetrazine potassium

Fluorescent Dye

Sulfo-CY3 tetrazine potassium is a sulfo-Cyanine3 derivative that contains methyltetrazine moiety (Ex=548 nm, Em=563 nm). Sulfo-CY3 tetrazine potassium can be used for the labeling of metabolically engineered cell-surface glycoconjugates . Sulfo-CY3 tetrazine (potassium) is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.

Cat. No.	Product Name	Type

HY-155887

DSPE-PEG-Amine, MW 3400 ammonium

DSPE-PEG-NH2, MW 3400 ammonium

Biochemical Assay Reagents

DSPE-PEG-Amine (DSPE-PEG-NH2), MW 3400 ammonium is an amino-functionalized PEGylated phospholipid. It serves not only as a key component for preparing σ receptor-targeted liposomes (such as anisamide-modified lipids) but also as a starting material for synthesizing click chemistry- and tumor-targeted lipids including DSPE-PEG-DBCO (HY-155788) and DSPE-PEG2000-TCO (HY-170704). DSPE-PEG-Amine, MW 3400 ammonium effectively modulates the ζ potential of nanoparticles, enables complexation with nucleic acids or proteins to protect DNA from nuclease degradation, and supports ligand conjugation on the nanoparticle surface. It is used in studies related to DU-145 tumors, breast cancer, and other relevant research .

HY-174933C

mPEG40000-TCO	Biochemical Assay Reagents
mPEG40000-TCO is a PEG derivative composed of trans-cyclooctene (TCO) and polyPEG, which can be used for drug delivery .

HY-174933A

mPEG10000-TCO	Biochemical Assay Reagents
mPEG10000-TCO is a PEG derivative composed of trans-cyclooctene (TCO) and polyPEG, which can be used for drug delivery .

HY-174933

mPEG5000-TCO	Biochemical Assay Reagents
mPEG5000-TCO is a PEG derivative composed of trans-cyclooctene (TCO) and polyPEG, which can be used for drug delivery .

HY-174934

TCO-PEG3400-DBCO	Biochemical Assay Reagents
TCO-PEG3400-DBCO is a PEG derivative consisting of DBCO, PEG units, and trans-cyclooctene (TCO). TCO-PEG3400-DBCO contains a DBCO group and can undergo a strain-promoted alkyne-azide cycloaddition reaction (SPAAC) with molecules containing an azide group .

HY-174933B

mPEG20000-TCO	Biochemical Assay Reagents
mPEG20000-TCO is a PEG derivative composed of trans-cyclooctene (TCO) and polyPEG, which can be used for drug delivery .

Cat. No.	Product Name		Classification

HY-155887

DSPE-PEG-Amine, MW 3400 ammonium DSPE-PEG-NH2, MW 3400 ammonium		Pegylated Lipids
DSPE-PEG-Amine (DSPE-PEG-NH2), MW 3400 ammonium is an amino-functionalized PEGylated phospholipid. It serves not only as a key component for preparing σ receptor-targeted liposomes (such as anisamide-modified lipids) but also as a starting material for synthesizing click chemistry- and tumor-targeted lipids including DSPE-PEG-DBCO (HY-155788) and DSPE-PEG2000-TCO (HY-170704). DSPE-PEG-Amine, MW 3400 ammonium effectively modulates the ζ potential of nanoparticles, enables complexation with nucleic acids or proteins to protect DNA from nuclease degradation, and supports ligand conjugation on the nanoparticle surface. It is used in studies related to DU-145 tumors, breast cancer, and other relevant research .

HY-RS16317

TCO Human Pre-designed siRNA Set A		siRNAs Human Pre-designed siRNA Sets
TCO Human Pre-designed siRNA Set A contains three designed siRNAs for TCO gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.

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