Antibody-drug Conjugates (ADC)

Fmoc-PEG3-Ala-Ala-Asn(Trt)-PAB-PNP is a cleavable linker designed for the synthesis of antibody-drug conjugates (ADCs). This compound facilitates the selective release of cytotoxic agents upon internalization by target cells, enhancing the therapeutic efficacy of ADCs. It is ideal for applications in cancer research and the development of targeted therapies.

NH2-PEG3-Val-Cit-PAB-OH is a cleavable antibody-drug conjugate (ADC) linker that incorporates a primary amine, a hydrophilic PEG spacer, a Val-Cit dipeptide, and a PAB group. This compound is designed to enhance payload delivery by undergoing cleavage by cellular proteases, facilitating the release of the drug inside the target cells. The primary amine allows for versatile functionalization through reactions with carboxylic acids, reductive aminations, and various advanced coupling techniques, making it suitable for applications in drug development and targeted therapies.

t-Boc-N-amido-PEG4-Val-Cit is a protease-cleavable linker designed for antibody-drug conjugates (ADCs). This compound consists of a Boc-protected amine, a hydrophilic polyethylene glycol (PEG) spacer, and a Val-Cit dipeptide that can be cleaved by cellular proteases. The resulting carboxylic acid facilitates coupling reactions with amines to form amides. Upon removal of the Boc group under acidic conditions, a free primary amine is available for diverse chemical reactions, including coupling and reductive amination, making it a versatile tool in ADC development and modification.

NH2-PEG1-Val-Cit-PAB-OH is a cleavable antibody-drug conjugate (ADC) linker designed for efficient payload delivery. This reagent features a primary amine, a hydrophilic PEG spacer, a Val-Cit dipeptide, and a PAB group, enabling versatile coupling reactions with carboxylic acids, ketones, and aldehydes. The Val-Cit dipeptide undergoes proteolytic cleavage within cells, facilitating the release of drug payloads through an elimination mechanism associated with the PAB structure. This compound is ideal for ADC development and other related bioconjugation applications.

N-Boc-MeVal is an ADC linker featuring a BOC protecting group. This compound is utilized in the development of antibody-drug conjugates (ADCs), facilitating the stable attachment of cytotoxic agents to antibodies for targeted cancer therapies. Its chemical structure allows for efficient conjugation, enhancing the efficacy and selectivity of therapeutic agents in research applications focused on oncology and drug delivery systems.

BCN-exo-PEG2-NH2 is an ADC linker featuring two polyethylene glycol (PEG) units. This compound incorporates the hydrophilic bidentate macrocyclic ligand, BCN, facilitating the formation of macrocyclic complexes. In click chemistry applications, BCN efficiently reacts with azide-containing molecules, yielding stable triazoles without the need for catalysts, making it valuable for antibody-drug conjugate (ADC) development and other bioconjugation strategies.

NH2-PEG4-Val-Cit-PAB-OH is a cleavable antibody-drug conjugate (ADC) linker designed for targeted delivery of therapeutic payloads. Its structure includes a primary amine for versatile coupling reactions, a hydrophilic PEG spacer, and a Val-Cit dipeptide that is readily cleaved by cellular proteases, facilitating the release of the drug inside target cells. The PAB moiety enables efficient attachment of reactive groups, enhancing conjugation with drug payloads. This linker is valuable in research applications involving ADC development and optimization, enabling precise targeting in cancer therapy.

MC-GGFG-3-Methylenecyclobutyl functions as an ADC linker, facilitating the development of antibody-drug conjugates (ADCs). This compound enables stable conjugation between antibodies and cytotoxic drugs, enhancing targeted delivery to cancer cells. Its structural properties are designed to improve the efficacy and safety profile of therapeutic agents in cancer research and treatment.

(2R,3S)-3-(tert-Butoxy)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)butanoic acid serves as a versatile antibody-drug conjugate (ADC) linker. This compound is designed to facilitate the selective delivery of cytotoxic agents, enhancing the efficacy of targeted therapies. Its unique chemical structure promotes stability and solubility, making it suitable for various applications in oncology research and drug development.

Propargyl-PEG4-CH2CO2-NHS is an ADC linker that features a propargyl group and an N-hydroxysuccinimidyl (NHS) moiety. This compound facilitates the synthesis of antibody-drug conjugates (ADCs) by enabling selective coupling with amine-containing biomolecules. As a click chemistry reagent, it contains an alkyne functional group, allowing for efficient copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with azide-containing partners. This versatile tool is essential for enhancing the potency and specificity of targeted therapeutics in bioconjugation applications.

Boc-PEG2-Val-Cit-PAB-OH is an enzyme-cleavable linker designed for antibody-drug conjugates (ADCs). The compound features a Boc-protected amine, a flexible PEG spacer, and a Val-Cit-PAB dipeptide, facilitating targeted delivery. The benzylic alcohol on the PAB moiety allows for the attachment of reactive groups for conjugation with drug payloads. Upon exposure to acidic conditions, the Boc group is removed to yield a primary amine for subsequent coupling reactions. The Val-Cit-PAB component is readily cleaved by cellular proteases, enabling the efficient release of therapeutic agents within target cells.

BCN-endo-PEG7-NH2 is a bifunctional ADC linker featuring a 7-unit PEG spacer and the lipophilic macrocyclic ligand endo-BCN. This compound enables efficient conjugation through click chemistry, allowing stable triazole formation with azide-containing molecules without the need for catalysts. BCN-endo-PEG7-NH2 is suitable for applications in antibody-drug conjugate (ADC) development and other bioconjugation techniques, facilitating targeted delivery and enhancing therapeutic efficacy in chemical biology research.

Alloc-Val-Ala-PAB-PNP is a cleavable ADC linker that facilitates targeted delivery of therapeutic agents. This compound effectively promotes the controlled release of payloads in targeted cells, enhancing specificity and minimizing off-target effects. It is particularly useful in the development of antibody-drug conjugates (ADCs) for cancer therapy, enabling researchers to investigate novel treatment strategies.

Alkyne-Val-Cit-PAB-PNP is a cleavable linker designed for antibody-drug conjugates (ADCs). This compound facilitates stable attachment of cytotoxic agents to antibodies while enabling release in the target tissues or cells via specific enzymatic cleavage. Its properties make it suitable for research applications focused on enhancing the efficacy and selectivity of ADCs in cancer therapy and related studies.

Mal-amido-PEG8-val-gly is a maleimide-based linker designed for antibody-drug conjugates (ADCs). This compound facilitates site-specific conjugation to thiol-containing biomolecules, enhancing the stability and therapeutic efficacy of the ADCs. It is particularly useful in the development of targeted cancer therapies by linking cytotoxic agents to antibodies, thereby enabling precise delivery to tumor cells.

(Ac)Phe-Lys(Alloc)-PABC-PNP is a cleavable chemical linker designed for use in antibody-drug conjugates (ADCs). It facilitates targeted delivery of therapeutic agents by linking the antibody to the drug while ensuring controlled release upon reaching the target site. This linker is valuable in the development of ADCs, enhancing their efficacy and minimizing off-target effects in cancer research and therapy.

Azido-PEG4-Ala-Ala-Asn(Trt)-PAB is a cleavable linker specifically designed for antibody-drug conjugates (ADCs). This compound facilitates the conjugation of antibodies to cytotoxic drugs, enhancing targeted delivery in cancer therapy. Its unique structure allows for selective cleavage in tumor environments, leading to effective drug release and improved therapeutic efficacy. Research applications include the development of novel ADCs and the exploration of targeted delivery mechanisms in oncology research.

Mal-amide-PEG8-Val-Cit-PAB-PNP is a cleavable antibody-drug conjugate (ADC) linker that targets thiol groups through its maleimide component, enabling selective labeling of cysteine residues in proteins. This linker incorporates an 8-unit polyethylene glycol (PEG) spacer for improved solubility and a Val-Cit dipeptide that is susceptible to cleavage by cytoplasmic peptidases, facilitating controlled drug release. The PAB and PNP carbonate groups enhance the linker’s reactivity, making it suitable for developing potent and targeted therapeutic agents in cancer research and other applications involving ADCs.

cBu-Cit-PAB is a crucial intermediate in the synthesis of antibody-drug conjugates (ADCs). It serves as a versatile linker that facilitates the attachment of cytotoxic agents to antibodies, enhancing targeted drug delivery. This compound is essential for research applications focused on developing innovative ADC formulations for cancer treatment.

Mm-C3-OSu (Methyl Maleate-C3-N-Hydroxysuccinimide Ester) serves as a chemically defined linker intermediate, featuring a cis-configured methyl maleate core with a C3 alkyl chain that is capped with an N-hydroxysuccinimide reactive group. This compound is specifically designed for the synthesis of stable antibody-drug conjugates (ADCs), facilitating targeted drug delivery in therapeutic applications. Its structural properties enable efficient conjugation, enhancing the stability and efficacy of ADC formulations in research and development.

NH2-PEG6-Val-Cit-PAB-OH is a cleavable antibody-drug conjugate (ADC) linker that incorporates a primary amine, a PEG spacer, a Val-Cit dipeptide, and a PAB group. This design facilitates the attachment of reactive groups, enabling the conjugation of drug payloads through the benzylic alcohol on the PAB moiety. The primary amine allows for versatile reactions, including coupling with carboxylic acids and reductive aminations. Within cells, the Val-Cit dipeptide is cleaved by proteases, promoting efficient drug release via the elimination mechanism inherent to the PAB structure, thus enhancing therapeutic efficacy in targeted delivery applications.

SCO-PEG7-Maleimide is a cleavable ADC linker incorporating three polyethylene glycol (PEG) units. This compound is designed for use in antibody-drug conjugates, facilitating targeted drug delivery. Its maleimide functional group enables efficient conjugation in aqueous environments, making it suitable for catalyst-free click chemistry applications. SCO-PEG7-Maleimide has significant utility in drug delivery research, particularly in studies focused on enhancing therapeutic efficacy and specificity.

Biotin-C2-S-S-pyridine is a cleavable linker designed for use in antibody-drug conjugates (ADCs). This compound facilitates the targeted delivery of cytotoxic agents to cancer cells by selectively releasing the drug upon internalization. Its biotin component allows for strong interactions with streptavidin-tagged proteins, enhancing the specificity and effectiveness of therapeutic applications in cancer research.

DBCO-NHS ester is a non-cleavable linker utilized in the synthesis of antibody-drug conjugates (ADCs). It serves as a click chemistry reagent, featuring a DBCO moiety that facilitates strain-promoted alkyne-azide cycloaddition (SPAAC) with azide-containing molecules. This compound is essential for bioconjugation applications, allowing for the stable attachment of therapeutics to antibodies, thereby enhancing the efficacy and specificity of targeted drug delivery in cancer research.

Sulfo-SMCC sodium is a hetero-bifunctional ADC linker that features both an N-hydroxysuccinimide (NHS) ester and a maleimide functional group. It facilitates efficient coupling by selectively reacting with primary amines and sulfhydryl groups, forming stable noncleavable linkages. This reagent is widely employed in the development of antibody-drug conjugates (ADCs), enabling targeted delivery of therapeutic agents for enhanced efficacy in cancer treatment and other diseases.

Desthiobiotin-Iodoacetamide functions primarily as an antibody-drug conjugate (ADC) linker, facilitating targeted drug delivery in therapeutic applications. It exhibits a strong affinity for biotin-binding proteins, making it useful in the labeling and detection of proteins in various biological assays. Additionally, this compound can be utilized as a probe for studying Oridonin-treated cell lysis, enhancing the understanding of cellular responses in drug treatment studies.

DOTA-NHS-ester is a labeling agent that facilitates the conjugation of affibody molecules for applications in molecular imaging. It is commonly utilized in small animal positron emission tomography (PET), single-photon emission computed tomography (SPECT), and computed tomography (CT). This reagent effectively labels radiotherapeutic agents or imaging probes, aiding in the detection and characterization of tumors.

15-Azido-pentadecanoic acid is an azide-containing compound widely utilized in click chemistry applications. This reagent is particularly effective for labeling and characterizing post-translationally palmitylated proteins through a straightforward two-step labeling process. Additionally, it can engage in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-functionalized molecules, as well as strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with DBCO or BCN groups, providing versatile approaches for conjugation in chemical biology research.

N-Hydroxysulfosuccinimide sodium serves as a non-cleavable linker for antibody-drug conjugates (ADCs). By enabling stable covalent attachment of cytotoxic drugs to antibodies, it plays a crucial role in enhancing targeted cancer therapy. This reagent is widely utilized in the development and optimization of ADC formulations for improved therapeutic efficacy.

Azido-PEG2-C2-amine is a PEG-based linker designed for use in PROTAC synthesis. This compound features an azide moiety that enables copper-catalyzed azide-alkyne cycloaddition (CuAAc) and strain-promoted azide-alkyne cycloaddition (SPAAC) reactions, facilitating conjugation with alkyne-bearing molecules. Additionally, Azido-PEG2-C2-amine serves as a non-cleavable linker for the development of antibody-drug conjugates (ADCs), making it a versatile tool in chemical biology and drug discovery applications.

N3-PEG4-C2-NHS ester is a non-cleavable 4-unit polyethylene glycol (PEG) linker designed for use in the synthesis of antibody-drug conjugates (ADCs). This compound features an azide group, enabling it to participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with alkyne-containing molecules. Additionally, it can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN functionalities. Due to its unique properties, N3-PEG4-C2-NHS ester is a valuable tool for the development of targeted therapeutics.

Maleimide-DOTA is a non-cleavable linker specifically designed for the synthesis of antibody-drug conjugates (ADCs). It facilitates stable attachment of therapeutic agents to antibodies, ensuring effective delivery to target cells while maintaining the drug's biological activity. This compound plays a crucial role in ADC development for targeted cancer therapies and related research applications.

MC-Gly-Gly-Phe-Gly-NH-CH2-O-CH2COOH is a cleavable linker designed for use in the synthesis of antibody-drug conjugates (ADCs). This linker facilitates the selective release of cytotoxic agents in targeted cancer therapies, enhancing therapeutic efficacy while minimizing off-target effects. Its structured design supports optimal stability and effective drug delivery, making it a valuable component in ADC research and development.

3-Azidopropylamine is a click chemistry reagent designed for efficient bioconjugation through its azide functional group. It facilitates copper-catalyzed azide-alkyne cycloaddition (CuAAc) and ring strain-promoted alkyne-azide cycloaddition (SPAAC) with alkyne-containing molecules, including those with DBCO or BCN groups. This reagent is particularly useful in applications involving complexation and transfection of plasmid DNA, making it valuable for molecular biology and materials science research.

Fmoc-NH-PEG4-CH2CH2COOH is a cleavable linker designed for antibody-drug conjugates (ADCs), facilitating the targeted delivery of cytotoxic agents to cancer cells. This compound serves as a PEG-based PROTAC linker, enabling the construction of proteolysis-targeting chimeras (PROTACs) for efficient degradation of specific proteins in various biological contexts. It is suitable for applications in drug development and biochemical research, particularly in the fields of oncology and targeted therapeutics.

6-Azido-hexylamine is a versatile cleavable linker utilized in the development of antibody-drug conjugates (ADCs). It features an azide functional group that participates in copper-catalyzed azide-alkyne cycloaddition reactions (CuAAc) with alkyne-containing molecules. Additionally, it can engage in strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with DBCO or BCN functionalized compounds. This compound is essential for the precise attachment of cytotoxic agents to antibodies, facilitating targeted cancer therapies.

DBCO-PEG4-Maleimide is a non-cleavable linker designed for the synthesis of antibody-drug conjugates (ADCs). This compound features a DBCO group that facilitates strain-promoted alkyne-azide cycloaddition (SPAAC) with azide-containing molecules, enabling efficient conjugation. It is essential for applications in targeted drug delivery, enhancing the therapeutic efficacy of ADCs while minimizing off-target effects.

Mal-PEG4-NHS ester is a non-cleavable ADC linker that facilitates the conjugation of biomolecules, particularly linking Quantum dots (QDs) with PEGylated liposomes. This compound exhibits key biological activity by enhancing the stability and solubility of the assembled conjugates. It is primarily utilized in antibody-drug conjugate (ADC) development, nanomedicine, and for improving drug delivery systems in research applications.

DBCO-PEG5-NHS ester is a cleavable linker designed for use in antibody-drug conjugates (ADCs) and PROTAC synthesis. This PEG/alkyl/ether-based reagent facilitates the formation of stable covalent bonds through strain-promoted alkyne-azide cycloaddition (SPAAC), targeting azide-functionalized molecules. Its defined structure enhances the efficacy and specificity of therapeutic compounds, making it a valuable tool for researchers in the development of targeted therapies.

Fmoc-3VVD-OH is a cleavable linker employed in the synthesis of antibody-drug conjugates (ADCs). This compound facilitates the stable attachment of cytotoxic agents to antibodies, enabling targeted delivery to cancer cells. Its hydrolyzable nature allows for efficient release of the drug in the desired cellular environment, making it a valuable tool in cancer research and therapeutic development.

Gly-Gly-Gly-PEG4-DBCO is a polyethylene glycol (PEG) linker designed for use in antibody-drug conjugates (ADCs). Featuring a dibenzocyclooctyne (DBCO) functional group, this compound facilitates strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with azide-bearing compounds. Its high stability and efficiency make it an essential tool in the development of targeted therapeutics for improved delivery of cytotoxic drugs.

Fmoc-8-amino-3,6-dioxaoctanoic acid is a cleavable linker primarily utilized in the development of antibody-drug conjugates (ADCs). Its PEG-based structure also allows for incorporation in the synthesis of PROTACs (proteolysis-targeting chimeras), facilitating targeted degradation of specific proteins. This reagent provides a functional handle for the attachment of theranostic payloads, enhancing the efficacy and specificity of therapeutic agents in chemical biology research.

Azidoacetic Acid is a versatile click chemistry reagent characterized by its azide group functionality. It serves as a valuable tool for the synthesis of protein-targeting chimeras, such as PROTACs. Azidoacetic Acid can participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-containing compounds, as well as ring strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN moieties, enabling the rapid assembly of bioconjugates and labeled biomolecules for various research applications.

Kdo Azide is a click chemistry reagent that features an azide functional group, allowing it to engage in copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with alkynyl compounds. Additionally, Kdo Azide can participate in strain-promoted alkyne-azide cycloaddition (SPAAC) reactions in the presence of DBCO or BCN moieties. This reagent is valuable for metabolic labeling applications and various bioconjugation strategies in chemical biology research.

β-D-glucuronide-pNP-carbonate is a cleavable linker specifically designed for use in antibody-drug conjugates (ADCs). It facilitates the release of cytotoxic drugs in targeted therapeutic applications, thereby enhancing the efficacy of treatment while minimizing off-target effects. This compound is valuable for researchers focusing on the development of ADCs aimed at improving precision in cancer therapies and other diseases.

Fmoc-Gly-NH-CH2-acetyloxy is a cleavable linker specifically designed for the synthesis of antibody-drug conjugates (ADCs). This compound facilitates the stable attachment of cytotoxic drugs to antibodies while allowing for selective release in target cells. Its application is critical in developing advanced therapeutics that improve the efficacy and safety of cancer treatments through targeted drug delivery.

Maleimide is a versatile compound primarily utilized as an ADC linker in cancer research. It is instrumental in the development of antibody-drug conjugates, facilitating targeted delivery of cytotoxic agents to cancer cells. Additionally, Maleimide can be employed in the synthesis of fluorogenic probes, enabling the specific detection and quantification of thiol-containing analytes in various biological samples.

Bromo-PEG2-C2-azide is a versatile PROTAC linker featuring a bromo group and an azide moiety, designed for the synthesis of antibody-drug conjugates (ADCs) and PROTACs. This compound functions effectively in click chemistry through copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with alkyne-containing molecules. Additionally, Bromo-PEG2-C2-azide can participate in strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups, making it a valuable tool for targeted protein degradation and bioconjugation strategies in chemical biology research.

Mal-PEG2-NHS ester is a non-cleavable antibody-drug conjugate (ADC) linker that features a maleimide group, a two-unit polyethylene glycol (PEG) spacer, and an N-hydroxysuccinimide (NHS) ester. This compound is essential for the efficient conjugation of cytotoxic agents to antibodies, facilitating targeted delivery in cancer therapy. Mal-PEG2-NHS ester enhances the stability and solubility of ADCs, making it suitable for research applications in drug development and discovery.

DBCO-Maleimide is a non-cleavable linker specifically designed for the synthesis of antibody-drug conjugates (ADCs). As a click chemistry reagent, it features a DBCO group that facilitates strain-promoted alkyne-azide cycloaddition (SPAAC) with azide-containing molecules. This property enables seamless conjugation and enhances the therapeutic efficacy of ADCs, making DBCO-Maleimide an essential tool in bioconjugation and targeted drug delivery research.