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-157431
    Mycobacterium Tuberculosis-IN-2
    Mycobacterium Tuberculosis-IN-2 (Compound 29) is a bacterial inhibitor that effectively inhibits Mycobacterium Tuberculosis. Mycobacterium Tuberculosis-IN-2 can be used in tuberculosis research (MIC = 0.07-0.16 μM).
    Mycobacterium Tuberculosis-IN-2
  • HY-49861
    Exatecan intermediate 11
    Exatecan intermediate 11 is an intermediate for the synthesis 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 intermediate 11
  • HY-42487R
    Exatecan Intermediate 1 (Standard)
    Exatecan Intermediate 1 (Standard) is the analytical standard of Exatecan Intermediate 1. This product is intended for research and analytical applications. Exatecan Intermediate 1 (compound 6) is an intermediate of Exatecan (HY-13631). Exatecan is a DNA topoisomerase I inhibitor with anticancer effects.
    Exatecan Intermediate 1 (Standard)
  • HY-W742981
    Budesonide-d6
    Budesonide-d6 is deuterium labeled Budesonide. Budesonide, an inhaled glucocortical steroid, is an orally active glucocorticoid receptor agonist. Budesonide decreases the size of lung tumors, reverses DNA hypomethylation and modulates mRNA expression of genes. Budesonide is an anti-inflammatory agent used for asthma.
    Budesonide-d<sub>6</sub>
  • HY-79254
    MMAF intermediate 2
    		99.77%
    MMAF intermediate 2 is an intermediate for the synthesis of MMAF (HY-15579). MMAF (Monomethylauristatin F) is a potent inhibitor of tubulin polymerization and the cytotoxic (ADC Cytotoxin) component of classic antibody drug conjugates (ADCs), such as Vorsetuzumab mafodotin and SGN-CD19A.
    MMAF intermediate 2
  • HY-156516A
    10NH2-11F-Camptothecin TFA
    10NH2-11F-Camptothecin TFA is a Camptothecin (HY-16560) analogue that serves as an ADC cytotoxin for the synthesis of antibody-drug conjugates (ADCs). 10NH2-11F-Camptothecin TFA has anticancer effects (WO2022246576A1; compound 140).
    10NH2-11F-Camptothecin TFA
  • HY-169261
    7-Methoxy-9-methylfuro[2,3-b]-quinoline-4,5,8(9H)-trione
    7-Methoxy-9-methylfuro[2,3-b]-quinoline-4,5,8(9H)-trione is a synthetic intermediate that can been used in the synthesis of the alkaloid Acronycidine.
    7-Methoxy-9-methylfuro[2,3-b]-quinoline-4,5,8(9H)-trione
  • HY-79198
    Monomethyl auristatin E intermediate-16
    Monomethyl auristatin E intermediate-16 is an intermediate reagent in the synthesis of Monomethyl auristatin E (HY-15162). Monomethyl auristatin E (MMAE) is a microtubule/tubulin inhibitor with anticancer activity. MMAE is widely used as the cytotoxic component (ADC Cytotoxin) of antibody-drug conjugates (ADCs).
    Monomethyl auristatin E intermediate-16
  • HY-48564
    TAM558 intermediate-5
    TAM558 intermediate-54 is an intermediate in the synthesis of TAM558 (HY-148127).TAM558 is the payload molecule used in the synthesis of OMTX705.OMTX705 is a humanized anti-fibroblast activation protein (FAP) antibody that binds to the cytolysin TAM470 (HY-148128) and has anti-tumor activity.
    TAM558 intermediate-5
  • HY-400316
    Exatecan intermediate 8
    Exatecan intermediate 8 is an intermediate for the synthesis 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 intermediate 8
  • HY-400688
    TAM558 intermediate-2
    TAM558 intermediate-24 is an intermediate in the synthesis of TAM558 (HY-148127).TAM558 is the payload molecule used in the synthesis of OMTX705.OMTX705 is a humanized anti-fibroblast activation protein (FAP) antibody that binds to the cytolysin TAM470 (HY-148128) and has anti-tumor activity.
    TAM558 intermediate-2
  • HY-402090
    SJG-136 intermediate-2
    SJG-136 intermediate-2 (compound 141) 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-2
  • HY-14519AR
    Methotrexate disodium (Standard)
    Methotrexate (disodium) (Standard) is the analytical standard of Methotrexate (disodium). This product is intended for research and analytical applications. Methotrexate (Amethopterin) disodium, an antimetabolite and antifolate agent, inhibits the enzyme dihydrofolate reductase, thereby preventing the conversion of folic acid into tetrahydrofolate, and inhibiting DNA synthesis. Methotrexate disodium, 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 disodium (Standard)
  • HY-79258
    Dov-Val-Dil-OH
    Dov-Val-Dil-OH is an ADC cytotoxin.
    Dov-Val-Dil-OH
  • HY-W744459
    DeBoc-Cabazitaxel
    DeBoc-Cabazitaxel is an ADC linker.
    DeBoc-Cabazitaxel
  • HY-160543
    Exatecan-amide-CH2-O-CH2-CH2-OH
    Exatecan-amide-CH2-O-CH2-CH2-OH (Compound 4) is a derivative of Exatecan (HY-13631). Exatecan-amide-CH2-O-CH2-CH2-OH can be used for the research of cell proliferative diseases such as cancer.
    Exatecan-amide-CH2-O-CH2-CH2-OH
  • HY-W654130
    Daunorubicin-13C,d3
    Daunorubicin-13C,d3 is 13C and deuterium labeled Daunorubicin. 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-<sup>13</sup>C,d<sub>3</sub>
  • HY-41070
    Taltobulin intermediate-8
    Taltobulin intermediate-8 is an intermediate in the synthesis of Taltobulin (HY-15584). Taltobulin is a common toxin component in ADC preparation (ADC Cytotoxin), and it is also a powerful tubulin (Microtubule/Tubulin) inhibitor. Taltobulin disrupts tubulin polymerization, induces mitotic arrest, and induces apoptosis.
    Taltobulin intermediate-8
  • HY-13062R
    Daunorubicin hydrochloride (Standard)
    Daunorubicin (hydrochloride) (Standard) is the analytical standard of Daunorubicin (hydrochloride). This product is intended for research and analytical applications. 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 (Standard)
  • HY-B0154R
    Fluticasone (propionate) (Standard)
    Fluticasone (propionate) (Standard) is the analytical standard of Fluticasone (propionate). This product is intended for research and analytical applications. Fluticasone propionate, a potent topical anti-inflammatory corticosteroid, is a selective glucocorticoid receptor agonist, with an absolute affinity (KD) of 0.5 nM. Fluticasone propionate shows little or no activity at other steroid receptors. Anti-viral activity.
    Fluticasone (propionate) (Standard)
Cat. No. Product Name / Synonyms Application Reactivity
ADC Payload Isoform Comparison

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