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

ADC Payload

ADC Cytotoxin

Related Products

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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-125331
    DRF-1042
    		98.05%
    DRF-1042 is an orally active derivative of Camptothecin. DRF-1042 acts to inhibit DNA topoisomerase I. DRF-1042 shows good anticancer activity against a panel of human cancer cell lines including multi-agent resistance (MDR) phenotype.
    DRF-1042
  • HY-156849
    Exatecan-methylacetamide-OH
    Exatecan-methylacetamide-OH (compound 6) is a Exatecan derivative with anticancer effects. Exatecan-methylacetamide-OH is an ADC cytotoxin that can be used to synthesize Antibody-Drug Conjugates (ADCs) (CN112125915A; compound 6).
    Exatecan-methylacetamide-OH
  • HY-150401
    Exatecan-amide-cyclopropanol
    		98.57%
    Exatecan-amide-cyclopropanol (compound 1) is a anticancer agent. Exatecan-amide-cyclopropanol shows anti-proliferation activity against SK-BR-3 and U87 cells, with IC50 values of 0.12 and 0.23 nM, respectively.
    Exatecan-amide-cyclopropanol
  • HY-14648AR
    Dexamethasone acetate (Standard)
    		98.93%
    Dexamethasone acetate (Standard) is the analytical standard of Dexamethasone acetate. This product is intended for research and analytical applications. Dexamethasone acetate (Dexamethasone 21-acetate) is a glucocorticoid receptor agonist. Dexamethasone also significantly decreases CD11b, CD18, and CD62L expression on neutrophils, and CD11b and CD18 expression on monocytes. Dexamethasone is highly effective in the control of COVID-19 infection. Dexamethasone inhibits production of exosomes containing inflammatory microRNA-155 in lipopolysaccharide-induced macrophage inflammatory responses.
    Dexamethasone acetate (Standard)
  • HY-W021377A
    Exatecan Intermediate 2 hydrochloride
    		99.94%
    Exatecan Intermediate 2 hydrochloride (Compound B) 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 2 hydrochloride
  • HY-148128
    TAM470
    		98.53%
    TAM470 is a novel cytolysin, inhibiting tubulin polymerization and microtubule depolymerization. TAM470 can be used in the synthesis of OMTX705 as payload molecule, OMTX705 is a novel FAP-targeting antibody-drug conjugates (ADCs) with antitumor activity.
    TAM470
  • HY-163295
    BTK degrader-1
    BTK degrader-1 (compound 1) is a Bruton’s tyrosine kinase (BTK) bifunctional degrader that can be conjugated with CD79b. BTK degrader-1 (compound 1) has anti-tumor effect.
    BTK degrader-1
  • HY-145397S
    (4-NH2)-Exatecan-d5
    		98.62%
    (4-NH2)-Exatecan-d5 is a deuterated labeled (4-NH2)-Exatecan. (4-NH2)-Exatecan (compound A), a topoisomerase inhibitor, is a derivative of Exatecan. (4-NH2)-Exatecan can be used in the synthesis of antibody-drug conjugates (ADCs).
    (4-NH2)-Exatecan-d5
  • 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-156225
    MMAF-OtBu
    		99.83%
    MMAF-OtBu (Example 2) is a modified MMAF (HY-15579 ). MMAF-OtBu can be used for synthesis of ADCs.
    MMAF-OtBu
  • HY-132160
    7-Aminomethyl-10-methyl-11-fluoro camptothecin
    		99.30%
    7-Aminomethyl-10-methyl-11-fluoro camptothecin is a cytotoxin of MC-AAA-NHCH2OCH2COO-7-aminomethyl-10-methyl-11-fluoro camptothecin (HY-132158). 7-Aminomethyl-10-methyl-11-fluoro camptothecin can be used for the synthesis of camptothecin antibody-drug conjugate (ADC).
    7-Aminomethyl-10-methyl-11-fluoro camptothecin
  • HY-153185
    Decyclohexanamine-Exatecan
    		98.38%
    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-164860
    Glucocorticoid receptor agonist-5
    		99.95%
    Glucocorticoid receptor agonist-5 (compound 4), a glucocorticoid molecule, is a potent glucocorticoid receptor agonist. Glucocorticoid receptor agonist-5 shows anti-inflammatory and immunosuppressive activity. Glucocorticoid receptor agonist-5 is used as an ADC Cytotoxin for antibody-drug conjugate.
    Glucocorticoid receptor agonist-5
  • HY-126666
    PNU-159682 carboxylic acid
    PNU-159682 carboxylic acid (compound 53) is a potent ADCs cytotoxin and encodes a member of the C-type lectin/C-type lectin-like domain (CTL/CTLD) superfamily. PNU-159682 carboxylic acid has protein fold and diverse functions, such as cell adhesion, cell-cell signalling, glycoprotein turnover, and roles in inflammation and immune response.
    PNU-159682 carboxylic acid
  • HY-156756S
    7-Hydroxymethyl-10,11-MDCPT-d5
    		98.03%
    7-Hydroxymethyl-10,11-MDCPT-d5 is deuterium labeled 7-Hydroxymethyl-10,11-MDCPT, which is a is a payload that can be used for ADC synthesis.
    7-Hydroxymethyl-10,11-MDCPT-d<sub>5</sub>
  • 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-43565
    Exatecan intermediate 9
    		99.80%
    Exatecan intermediate 9 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 9
  • HY-W021377B
    Exatecan Intermediate 4
    		98.90%
    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-78913
    Monomethyl auristatin E intermediate-14
    		Control 98.55%
    Monomethyl auristatin E intermediate-14 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-14
Cat. No. Product Name / Synonyms Application Reactivity
ADC Cytotoxin Isoform Comparison

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