2. Signaling Pathways
  3. Antibody-drug Conjugate/ADC Related
  4. ADC Payload

ADC Cytotoxin

ADC Payload

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ADC payloads are cytotoxic agents that induce target cell death in Antibody Drug Conjugates (ADCs). An ADC is a targeted agent composed with a monoclonal antibody, a linker and a payload. The payload is the most important component as it determines the potency to kill cancer cells of an ADC.

There are many payloads which are currently being used such as Calicheamicins, Duocarmycins, Pyrrolobenzodiazepines (PBDs), Camptothecins, Daunorubicins/Doxorubicins, Auristatins and Maytansinoids. They can be divided in two classes based on their mechanism of action, DNA damaging agents and tubulin inhibitors. Among them Calicheamicins, Duocarmycins and PBDs are DNA minor grove binders, Camptothecins and Daunorubicins/Doxorubicins are topoisomerase inhibitors, which are DNA damaging agents. Auristatins and Maytansinoids are tubulin inhibitors.

ADC Payload Isoform Specific Products:

ADC Payload Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-103688
    N-Ac-γ-Calicheamicin-AcBut-NHS ester
    AcBut-N-Ac-γ-Calicheamicin is an ADC cytotoxic payload that induces cell cycle arrest and apoptosis by causing DNA double-strand breaks. AcBut-N-Ac-γ-Calicheamicin is primarily used in the synthesis of antibody-drug conjugates (ADC) and holds promise for research in the field of cancer, including acute lymphoblastic leukemia (ALL) and other hematological malignancies.
    N-Ac-γ-Calicheamicin-AcBut-NHS ester
  • HY-12454S
    DM4-d6
    		99.11%
    DM4-d6 is deuterium labeled DM4. DM4 is is an antitubulin agent that inhibit cell division. DM4 can be used in the preparation of antibody agent conjugate.
    DM4-d<sub>6</sub>
  • HY-N7053
    Tubulysin M
    		98.74%
    Tubulysin M is a highly cytotoxic anti-microtubule toxin (anti-microtubule toxins) that is synthesized as an ADC cytotoxin (ADC Cytotoxin). Tubulysin M can be isolated from the myxobacteria Archangium geophyra and Angiococcus disciformis. Tubulysin M displays extremely potent cytotoxic activity in mammalian cells, including multidrug-resistant cell lines, with IC50 values in the low nanomolar range. Tubulysin M inhibits microtubule/tubulin polymerization and leads to cell cycle arrest and apoptosis.
    Tubulysin M
  • HY-77572
    7-Epi 10-desacetyl paclitaxel
    		99.76%
    7-Epi 10-desacetyl paclitaxel (7-epi-10-deacetyltaxol), a taxol derivative, exhibits cytotoxicity against HeLa cells with an IC50 of 85 μM.
    7-Epi 10-desacetyl paclitaxel
  • HY-153185
    Decyclohexanamine-Exatecan
    		98.92%
    Decyclohexanamine-Exatecan (compound a) is a Camptothecin derivative, with a structure containing Exatecan (HY-13631), which can be used as a ADC cytotoxin.
    Decyclohexanamine-Exatecan
  • HY-147408
    Rezetecán
    		99.60%
    Rezetecán (SHR9265) is a topoisomerase I inhibitor. In addition, Rezetecán can be used to synthesize Trastuzumab rezetecan, an antineoplastic agent. Rezetecán can be used as a cytotoxic payload (ADC Cytotoxin) in antibody-drug conjugates (ADCs).
    Rezetecán
  • HY-48878
    Exatecan analog 36
    		98.71%
    Exatecan analog 36 is a analog of Exatecan (HY-13631). Exatecan (DX-8951) is a common toxin component in ADC preparation (ADC Cytotoxin) and an inhibitor of DNA topoisomerase I (IC50=2.2 μM).
    Exatecan analog 36
  • HY-46081
    Exatecan Intermediate 3
    		99.7%
    Exatecan Intermediate 3 is the intermediate of Exatecan (HY-13631) And Exatecan (DX-8951) is a DNA topoisomerase I inhibitor with an IC50 value of 2.2 μM (0.975 μg/mL) that can be used in cancer research. Exatecan Intermediate 3 can be used to synthesize Antibody-Drug Conjugates (ADCs).
    Exatecan Intermediate 3
  • HY-402091
    SJG-136 intermediate-1
    		99.95%
    SJG-136 intermediate-1 (compound 19) is an intermediate for synthesizing SJG-136. SJG-136 is a DNA cross-linking agent, with an XL50 of 45 nM for pBR322 DNA.
    SJG-136 intermediate-1
  • HY-79255
    Fmoc-MMAF-OMe
    		98.58%
    Fmoc-MMAF-OMe is an anticancer agent and tubulin polymerization inhibitor with an Fmoc protecting group. The active ingredient of Fmoc-MMAF-OMe, MMAF (HY-15579), is the cytotoxic (ADC Cytotoxin) component of classic antibody drug conjugates (ADCs).
    Fmoc-MMAF-OMe
  • HY-W021377B
    Exatecan Intermediate 4
    		99.31%
    Exatecan Intermediate 4 (Compound 14f) is an intermediate of Exatecan (DX-8951, HY-13631). Exatecan is an anticancer agent belonging to the class of camptothecin analogs. Exatecan interferes with the proliferation and division of tumor cells by interacting with DNA, thereby inhibiting tumor growth. Exatecan is primarily used for research of a variety of cancers including ovarian, lung and breast cancers.
    Exatecan Intermediate 4
  • HY-42487A
    (rac)-Exatecan Intermediate 1
    		99.97%
    (rac)-Exatecan Intermediate 1 is an isomer of Exatecan Intermediate 1 (HY-42487). Exatecan Intermediate 1 (compound 6) is an intermediate of Exatecan (HY-13631), a camptothecin-based anticancer agent. Exatecan inhibits tumor growth by interfering with the proliferation and division of tumor cells by interacting with DNA. Exatecan is primarily used in research into a variety of cancers including ovarian, lung and breast cancer.
    (rac)-Exatecan Intermediate 1
  • HY-129356A
    (S)-Seco-Duocarmycin SA
    		99.0%
    (S)-Seco-Duocarmycin SA is the S-enantiomer of Seco-Duocarmycin SA (HY-129356). Seco-Duocarmycin SA is a DNA alkylating agent. Seco-Duocarmycin SA is an antitumor antibiotic (IC50 = 10 pM). Seco-Duocarmycin SA can induce a concentration-dependent increase in apoptotic cell death. Seco-Duocarmycin SA can lead to significant cell cycle arrest in S and G2/M phases. Seco-Duocarmycin SA acts as an ADC cytotoxin for antibody-drug conjugates.
    (S)-Seco-Duocarmycin SA
  • HY-15142A
    Doxorubicin
    Doxorubicin (Hydroxydaunorubicin), a broad-spectrum anthracycline antibiotic with cytotoxic properties, is an anti-cancer chemotherapy agent. Doxorubicin has fluorescence properties. Doxorubicin inhibits topoisomerase II with an IC50 of 2.67 μM, thus stopping DNA replication. Doxorubicin reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin induces apoptosis and autophagy. Doxorubicin inhibits human DNA topoisomerase I with an IC50 of 0.8 μM.
    Doxorubicin
  • HY-112898
    DC1SMe
    		98.0%
    DC1Sme, a DC1 derivative, exhibits IC50 values of 22 pM, 10 pM, 32 pM and 250 pM for Ramos, Namalwa, HL60/s and COLO 205 cancer cells, respectively. DC1, an analogue of the minor groove-binding DNA alkylator CC-1065, is a ADC Cytotoxin. DC1 can be used in synthesis of antibody-drug conjugates for the targeted treatment of cancer.
    DC1SMe
  • HY-13062A
    Daunorubicin
    		98.20%
    Daunorubicin (Daunomycin) is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin inhibits DNA and RNA synthesis. Daunorubicin is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin is also an anthracycline antibiotic. Daunorubicin can be used in the research of infection and variety of cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, Wilms' tumor.
    Daunorubicin
  • HY-B0015S1
    Paclitaxel-d5 (benzoyloxy)
    		98.12%
    Paclitaxel-d5 (benzoyloxy) is the deuterium labeled Paclitaxel. Paclitaxel is a naturally occurring antineoplastic agent and stabilizes tubulin polymerization. Paclitaxel can cause both mitotic arrest and apoptotic cell death. Paclitaxel also induces autophagy.
    Paclitaxel-d<sub>5</sub> (benzoyloxy)
  • HY-129355
    Duocarmycin Analog
    Duocarmycin Analog is an analog of Duocarmycin, and used as an DNA alkylator and ADC cytotoxin.
    Duocarmycin Analog
  • HY-16560S
    Camptothecin-d5
    		99.61%
    Camptothecin-d5 is the deuterium labeled Camptothecin. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM. Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells.
    Camptothecin-d<sub>5</sub>
  • HY-160179
    Glucocorticoid receptor agonist-4
    		99.80%
    Glucocorticoid receptor agonist-4 (Compound Preparation 5) is a glucocorticoid receptor agonist that can be conjugated to TNF-α antibodies for the study of autoimmune and inflammatory diseases.
    Glucocorticoid receptor agonist-4
Cat. No. Product Name / Synonyms Application Reactivity
ADC Payload Isoform Comparison

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