2. Signaling Pathways
  3. Antibody-drug Conjugate/ADC Related
  4. Drug-Linker Conjugates for ADC

Drug-Linker Conjugates for ADC

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Drug-Linker Conjugates for ADC

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Drug-Linker Conjugates for Antibody Drug Conjugates (ADCs) comprise of an active cytotoxic drug and an appropriate linker. After linked to a monoclonal antibody, those conjugates can be used for making ADCs, which are targeted agents for cancer cells with high selectivity and cytotoxicity.

The drug units in drug-linker conjugates are cytotoxic agents (i.e. ADC cytotoxins or payloads) with antitumor activity and can be classified in DNA damaging agents and tubulin inhibitors. The most commonly used DNA damaging agents in ADCs are Duocarmycins, Pyrrolobenzodiazepines, Camptothecins and Daunorubicins/Doxorubicins, while the popular tubulin inhibitors are Auristatins and Maytansinoids. Besides, there are also many traditional cytotoxic agents can be used in ADCs.

ADC linkers currently undergoing clinical evaluation are mostly classified into two categories: cleavable and noncleavable. Cleavable linkers rely on processes inside the cell to liberate the toxin, and noncleavable linkers require proteolytic degradation of the antibody portion of the ADC for release of the cytotoxic molecule.

Drug-Linker Conjugates for ADC Isoform Specific Products:

Drug-Linker Conjugates for ADC Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-156377
    Biotin-PEG7-Maleimide
    		99.42%
    Biotin-PEG7-Maleimide is a biotinylation reagent that reacts with thiol groups (SH). Biotin-PEG7-Maleimide can be used as Drug-Linker Conjugates for ADCs.
    Biotin-PEG7-Maleimide
  • HY-141860
    PSMA-Val-Cit-PAB-MMAE
    		Inhibitor 99.52%
    PSMA-Val-Cit-PAB-MMAE is a novel small-molecule PSMA-targeted conjugate based on the monomethyl auristatin E for the chemotherapy of prostate cancer.
    PSMA-Val-Cit-PAB-MMAE
  • HY-130812
    Gemcitabine-O-Si(di-iso)-O-Mc
    		98.82%
    Gemcitabine-O-Si(di-iso)-O-Mc is a agent-linker conjugate for ADC with potent antitumor activity by using Gemcitabine (a pyrimidine nucleoside analog antimetabolite and an antineoplastic agent; HY-17026), linked via the ADC linker.
    Gemcitabine-O-Si(di-iso)-O-Mc
  • HY-148127
    TAM558
    		99.29%
    TAM558 is a payload molecule used for the synthesis of OMTX705. OMTX705 is a humanized anti-fibroblast-activating protein (FAP) antibody conjugated to the cytolysin TAM470 (HY-148128), with antitumor activity.
    TAM558
  • HY-126688
    Mal-C2-Gly3-EDA-PNU-159682
    Mal-C2-Gly3-EDA-PNU-159682, a agent-linker conjugate for ADC, consists a cleavable ADC linker Mal-C2-Gly3-EDA and a potent ADC cytotoxin PNU-159682.
    Mal-C2-Gly3-EDA-PNU-159682
  • HY-156848
    Fmoc-GGFG-DXd
    		99.81%
    Fmoc-GGFG-DXd is a drug-linker conjugate for ADC. Fmoc-GGFG-DXd contains a ADC linker Fmoc-GGFG and a DNA topoisomerase I inhibitor DXd (HY-13631D).
    Fmoc-GGFG-DXd
  • HY-153600
    GGFG-amide-glycol-amide-Exatecan
    		98.73%
    GGFG-amide-glycol-amide-Exatecan (Intermediate 2) is an Exatecan (HY-13631) derivative and can be used in the synthesis of antibody-drug conjugates (ADCs).
    GGFG-amide-glycol-amide-Exatecan
  • HY-147204
    Mc-Alanyl-Alanyl-Asparagine-PAB-MMAE
    		99.82%
    Mc-Alanyl-Alanyl-Asparagine-PAB-MMAE (compound S6) is a potent anticancer agent, which can be specific activated by tumor microenvironment. Mc-Alanyl-Alanyl-Asparagine-PAB-MMAE can suppress tumor growth in mice (extracted from patent CN104147612A).
    Mc-Alanyl-Alanyl-Asparagine-PAB-MMAE
  • HY-139909A
    CL2E-SN38 TFA
    		99.51%
    CL2E-SN-38 TFA, a highly releasable and structurally stable antibody-SN-38-conjugate, is a part of the antibody drug conjugate (ADC). SN-38, the active metabolite of Irinotecan from camptothecins, is an Topoisomerase I inhibitor.
    CL2E-SN38 TFA
  • HY-13631M
    Gly-Gly-Phe-Gly-NH-O-CO-Exatecan
    Gly-Gly-Phe-Gly-NH-O-CO-Exatecan is an ADC cytotoxin.
    Gly-Gly-Phe-Gly-NH-O-CO-Exatecan
  • HY-141536
    PSMA-ALB-56
    		98.92%
    PSMA-ALB-56 is a PSMA-targeting radioligand designed by combining the glutamate-urea PSMA-binding entity and an albumin binder.
    PSMA-ALB-56
  • HY-128979
    Deruxtecan analog 2
    		99.56%
    Deruxtecan analog 2 (example 9 P3) is a Deruxtecan (HY-13631E) analog. Deruxtecan analog 2 is a agent-linker conjugate composed of Camptothecin (HY-16560) and a linker. Camptothecin (CPT) is a Topo I inhibitor with antineoplastic activity against colorectal, breast, lung and ovarian cancers. Deruxtecan analog 2 can be used for the preparation anti-FGFR2 ADC.
    Deruxtecan analog 2
  • HY-19811
    Fmoc-Val-Cit-PAB-MMAE
    		98.85%
    Fmoc-Val-Cit-PAB-MMAE consists the ADCs linker (Fmoc-Val-Cit-PAB) and potent tubulin inhibitor (MMAE). Fmoc-Val-Cit-PAB-MMAE is a agent-linker conjugate for ADC.
    Fmoc-Val-Cit-PAB-MMAE
  • HY-132161
    MP-PEG4-Val-Lys-Gly-7-MAD-MDCPT
    		98.97%
    MP-PEG4-Val-Lys-Gly-7-MAD-MDCPT is a Camptothecin-linker compound extracted from patent WO2019195665A1, example 4-1. MP-PEG4-Val-Lys-Gly-7-MAD-MDCPT is a agent-linker conjugate for antibody-drug conjugate (ADC).
    MP-PEG4-Val-Lys-Gly-7-MAD-MDCPT
  • HY-132158
    MC-AAA-NHCH2OCH2COO-7-aminomethyl-10-methyl-11-fluoro camptothecin
    MC-AAA-NHCH2OCH2COO-7-aminomethyl-10-methyl-11-fluoro camptothecin (compound 21a), a camptothecin payload, can be conjugated to a monoclonal antibody (mAb) for the synthesis of camptothecin antibody-drug conjugate (ADC).
    MC-AAA-NHCH2OCH2COO-7-aminomethyl-10-methyl-11-fluoro camptothecin
  • HY-148245
    OH-Glu-Val-Cit-PAB-MMAE
    		99.03%
    OH-Glu-Val-Cit-PAB-MMAE consists a cleavable ADC linker (OH-Glu-Val-Cit-PAB) and a potent tubulin inhibitor (MMAE). SuO-Glu-Val-Cit-PAB-MMAE can be used in the synthesis of antibody-drug conjugates (ADCs).
    OH-Glu-Val-Cit-PAB-MMAE
  • HY-141147
    7-O-(Amino-PEG4)-paclitaxel
    		99.8%
    7-O-(Amino-PEG4)-paclitaxel is a PEG-class Drug-linker conjugates for ADC, containing a paclitaxel moiety and a amino group. The amine group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. 7-O-(Amino-PEG4)-paclitaxel can be used in the synthesis of Antibody-Drug Conjugates (ADCs).
    7-O-(Amino-PEG4)-paclitaxel
  • HY-164995
    L1BC8
    		99.20%
    L1BC8 (compound 13a) is a BRD4 PROTAC degrader with anticancer effects. L1BC8 is also a drug-linker conjugate for ADC that can be used for the synthesis of ADCs. The resulting BRD4-degrader antibody conjugates exhibit potent and antigen-dependent BRD4 degradation and antiproliferation activities in cell-based experiments. (Pink: BRD4 ligand (HY-129939); Blue: VHL ligand (HY-125845); Black: linker (HY-171663)).
    L1BC8
  • HY-W190943
    Azido-PEG4-Val-Cit-PAB-MMAE
    		99.43%
    Azido-PEG4-Val-Cit-PAB-MMAE is a agent-linker conjugate for ADC by using the anti-mitotic agent, monomethyl auristatin E (MMAE, a tubulin inhibitor), linked via the cleavable linker Azido-PEG4-Val-Cit-PAB-OH. Azido-PEG4-Val-Cit-PAB-MMAE is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.
    Azido-PEG4-Val-Cit-PAB-MMAE
  • HY-156758
    Mal-PEG8-Val-Cit-PAB-MMAF
    		99.97%
    Mal-PEG8-Val-Cit-PAB-MMAF is a drug-linker conjugate for ADC. Mal-PEG8-Val-Cit-PAB-MMAF contains a cleavable ADC linker and a potent tubulin inhibitor MMAE (HY-15162).
    Mal-PEG8-Val-Cit-PAB-MMAF
Drug-Linker Conjugates for ADC Isoform Comparison

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