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

ADC Payload

ADC Cytotoxin

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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.

ADC Cytotoxin Isoform Specific Products:

ADC Cytotoxin Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-43564
    Exatecan Intermediate 5
    		99.98%
    Exatecan Intermediate 5 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 5 can be used to synthesize Antibody-Drug Conjugates (ADCs).
    Exatecan Intermediate 5
  • HY-130082
    DM4-SMe
    		99.99%
    DM4-SMe is a metabolite of antibody-maytansin conjugates (AMCs) and a tubulin inhibitor, and also a cytotoxic moiety of antibody-drug conjugates (ADCs), which can be linked to antibody through disulfide bond or stable thioether bond. DM4-SMe inhibits KB cells with an IC50 of 0.026 nM.
    DM4-SMe
  • HY-128914
    Tubulysin
    		99.53%
    The Tubulysin family of secondary metabolites was originally isolated from the myxobacteria Archangium geophyra and Angiococcus disciformis. These compounds are potent microtubule destabilizers and anti-microtubule toxins (anti-microtubule toxins), with effective IC50 concentrations against multidrug-resistant cancer cell lines. In the picomole range. Tubulysins are ideal candidates for incorporation into small active molecule conjugate (SMDC) delivery systems and are commonly used in ADC synthesis as ADC cytotoxins (ADC Cytotoxin).
    Tubulysin
  • HY-128873
    Duocarmycin GA
    		99.00%
    Duocarmycin GA is an antibody agent conjugates (ADCs) toxin. Duocarmycin is a DNA alkylating agent that binds in the minor groove. Duocarmycin GA can be used against multi-agent resistant cell lines.
    Duocarmycin GA
  • HY-148819
    NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT
    		98.71%
    NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT (compound I) is a topoisomerase I inhibitor, which can be delivered to cells through conjugated antibody targeting, and has good ADC activity in vivo and in vitro.
    NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT
  • 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-102001
    Tomaymycin DM
    		98.01%
    Tomaymycin DM, a DNA alkylator, is a derivative of Tomaymycin, it is a PBD dimer, which is attached to tumor targeting antibodies to create antibody-drug conjugates (ADCs).
    Tomaymycin DM
  • HY-15162G
    Monomethyl auristatin E (GMP)
    Monomethyl auristatin E (MMAE) (GMP) is Monomethyl auristatin E (HY-15162) produced by using GMP guidelines. Monomethyl auristatin E is a tubulin polymerization inhibitor.
    Monomethyl auristatin E (GMP)
  • HY-129379
    DC0-NH2
    DC0-NH2 is an effector moiety for ADC and a simplified analog of DC1 with better stability. DC0-NH2 is about 1000-fold more cytotoxic than commonly used anticancer agents (ex. Doxorubicin). DC0-NH2 can bind to the minor groove of DNA, followed by alkylation of adenine residues by its propabenzindole (CBI) component.
    DC0-NH2
  • HY-14648G
    Dexamethasone (GMP)
    Dexamethasone (Hexadecadrol) (GMP) is Dexamethasone (HY-14648) produced by using GMP guidelines. GMP small molecules works appropriately as an auxiliary reagent for cell therapy manufacture. Dexamethasone is an agonist of glucocorticoid receptor.
    Dexamethasone (GMP)
  • 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-120574
    TH1338
    		98.77%
    TH1338 (compound 3b), an orally active camptothecin derivative and a potent chemotherapeutic agent for cancer, demonstrates excellent cytotoxic potency against human tumor cell lines in vitro. TH1338 (compound 3b) possesses significant brain penetration, favorable efflux pump properties, and hematological toxicity profile.
    TH1338
  • 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-148435
    Glucocorticoid receptor agonist-2
    		99.65%
    Glucocorticoid receptor agonist-2 (compound 21) is an glucocorticoid receptor agonist with an IC50 value of 6.6 nM. Glucocorticoid receptor agonist-2 can be used to synthesize anti-inflammatory ADC molecules. Glucocorticoid receptor agonist-2 is an active reference of ABBV-3373.
    Glucocorticoid receptor agonist-2
  • HY-41055
    Taltobulin intermediate-4
    		99.57%
    Taltobulin intermediate-4 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-4
  • HY-20584
    10-Deacetyl-7-xylosyl paclitaxel
    		99.65%
    10-Deacetyl-7-xylosyl paclitaxel is a Paclitaxel (a microtubule stabilizing agent; enhances tubulin polymerization) derivative with improved pharmacological features.
    10-Deacetyl-7-xylosyl paclitaxel
  • HY-45157
    Exatecan Intermediate 7
    		99.24%
    Exatecan Intermediate 7 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 7 can be used to synthesize Antibody-Drug Conjugates (ADCs).
    Exatecan Intermediate 7
  • HY-14519S
    Methotrexate-d3
    		≥99.0%
    Methotrexate-d3 (Amethopterin-d3) is the deuterium labeled Methotrexate. 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-d<sub>3</sub>
  • HY-130080
    DM3
    DM3 (Maytansinoid DM3), a Maytansine (HY-13674) analog bearing disulfide or thiol groups, and is a tubulin inhibitor. DM3 a cytotoxic moiety of antibody-drug conjugates (ADCs).
    DM3
  • HY-132164
    Gly-7-MAD-MDCPT
    Gly-7-MAD-MDCPT (compound 4b) is an anticancer agent. Gly-7-MAD-MDCPT is a Camptothecin (HY-16560) compound, it shows cytotoxicity to various cancer cells with IC50 values of 10-1000 nM.
    Gly-7-MAD-MDCPT
Cat. No. Product Name / Synonyms Application Reactivity
ADC Cytotoxin Isoform Comparison

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