1. Signaling Pathways
  2. Antibody-drug Conjugate/ADC Related
  3. ADC Cytotoxin

ADC Cytotoxin

ADC Payload

ADC cytotoxins (also known as 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 cytotoxin. The cytotoxin is the most important component as it determines the potency to kill cancer cells of an ADC.

There are many cytotoxins 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. Except for the listed cytotoxins, there are numbers of traditional cytotoxic agents with similar mechanisms of killing cancer cells and can also be used in the development of ADCs.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-15142
    Doxorubicin hydrochloride
    99.60%
    Doxorubicin (Hydroxydaunorubicin) hydrochloride, a cytotoxic anthracycline antibiotic, is an anti-cancer chemotherapy agent. Doxorubicin hydrochloride is a potent human DNA topoisomerase I and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively. Doxorubicin hydrochloride reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin hydrochloride induces apoptosis and autophagy.
    Doxorubicin hydrochloride
  • HY-B0015
    Paclitaxel
    99.97%
    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
  • HY-15162
    Monomethyl auristatin E
    99.97%
    Monomethyl auristatin E (MMAE; SGD-1010) is a synthetic derivative of dolastatin 10 and functions as a potent mitotic inhibitor by inhibiting tubulin polymerization. MMAE is widely used as a cytotoxic component of antibody-drug conjugates (ADCs) to treat several different cancer types.
    Monomethyl auristatin E
  • HY-13631A
    Exatecan mesylate
    99.91%
    Exatecan mesylate (DX8951f) is a DNA topoisomerase I inhibitor, with an IC50 of 2.2 μM (0.975 μg/mL). Exatecan mesylate can be used in cancer research.
    Exatecan mesylate
  • HY-13631D
    Dxd
    ≥99.0%
    Dxd (Exatecan derivative for ADC) is a potent DNA topoisomerase I inhibitor, with an IC50 of 0.31 μM, used as a conjugated drug of HER2-targeting ADC (DS-8201a).
    Dxd
  • HY-156856
    FL118-14-Propanol
    FL118-14-Propanol is a FL118 derivative. FL118-14-Propanol synthesized ADC molecule has good anti-tumor effect in mice.
    FL118-14-Propanol
  • HY-132160A
    7-Aminomethyl-10-methyl-11-fluoro camptothecin TFA
    7-Aminomethyl-10-methyl-11-fluoro camptothecin TFA is a cytotoxin of MC-AAA-NHCH2OCH2COO-7-aminomethyl-10-methyl-11-fluoro camptothecin (HY-132158). 7-Aminomethyl-10-methyl-11-fluoro camptothecin TFA can be used for the synthesis of camptothecin antibody-drug conjugate (ADC).
    7-Aminomethyl-10-methyl-11-fluoro camptothecin TFA
  • HY-156617A
    (αR)-Cyclopropaneacetamide-Exatecan
    99.75%
    (αR)-Cyclopropaneacetamide-Exatecan (compound 2-A), an Exenotecan derivative, is a cytotoxic agent. (αR)-Cyclopropaneacetamide-Exatecan inhibits U87MG and SK-BR-3 cells proliferation, with IC50s of 8.11 and 2.31 μM.
    (αR)-Cyclopropaneacetamide-Exatecan
  • HY-13704
    SN-38
    99.89%
    SN-38 is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively.
    SN-38
  • HY-14519
    Methotrexate
    99.75%
    Methotrexate (Amethopterin), an antimetabolite and antifolate agent, inhibits the enzyme dihydrofolate reductase, thereby preventing the conversion of folic acid into tetrahydrofolate, and inhibiting DNA synthesis. Methotrexate, also an immunosuppressant and antineoplastic agent, is used for the research of rheumatoid arthritis and a number of different cancers (such as acute lymphoblastic leukemia).
    Methotrexate
  • HY-16560
    Camptothecin
    99.82%
    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
  • HY-19792
    Mertansine
    99.80%
    Mertansine (DM1) is a microtubulin inhibitor and is an antibody-conjugatable maytansinoid that is developed to overcome systemic toxicity associated with maytansine and to enhance tumor-specific delivery. Mertansine can be attached to a monoclonal antibody with a linker to create an antibody-drug conjugate (ADC).
    Mertansine
  • HY-13062
    Daunorubicin hydrochloride
    99.62%
    Daunorubicin (Daunomycin) hydrochloride is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin hydrochloride inhibits DNA and RNA synthesis. Daunorubicin hydrochloride is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin hydrochloride is also an anthracycline antibiotic. Daunorubicin hydrochloride can be used in the research of infection and variety of cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, Wilms' tumor.
    Daunorubicin hydrochloride
  • HY-42487
    Exatecan Intermediate 1
    99.99%
    Exatecan Intermediate 1 (compound 6) 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 1
  • HY-19610
    α-Amanitin
    99.92%
    α-Amanitin is the principal toxin of several deadly poisonous mushrooms, exerting its toxic function by inhibiting RNA-polymerase II.
    α-Amanitin
  • HY-13631
    Exatecan
    99.93%
    Exatecan (DX-8951) is a DNA topoisomerase I inhibitor, with an IC50 of 2.2 μM (0.975 μg/mL), and can be used in cancer research.
    Exatecan
  • HY-15579
    MMAF
    99.91%
    MMAF (Monomethylauristatin F) is a potent tubulin polymerization inhibitor and is used as a antitumor agent. MMAF (Monomethylauristatin F) is widely used as a cytotoxic component of antibody-drug conjugates (ADCs) such as vorsetuzumab mafodotin and SGN-CD19A.
    MMAF
  • HY-15162A
    MMAE-d8
    99.29%
    MMAE-d8 is a deuterated labeled MMAE, a potent mitotic inhibitor and a tubulin inhibitor.
    MMAE-d<sub>8</sub>
  • HY-12454
    DM4
    99.64%
    DM4 is is an antitubulin agent that inhibit cell division. DM4 can be used in the preparation of antibody agent conjugate.
    DM4
  • HY-13442
    Eribulin
    99.80%
    Eribulin (E7389) is a microtubule targeting agent that is used for the research of metastatic breast cancer. Eribulin inhibits the proliferation of cancer cells by binding microtubule proteins and microtubules.
    Eribulin

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