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-128915
    Duocarmycin DM free base
    		99.69%
    Duocarmycin DM free base, a DNA minor-groove alkylator, is an antibody agent conjugates (ADCs) toxin. Duocarmycin DM free base is based on its characteristic curved indole structure and a spirocyclopropylcyclohexadienone electrophile to act anticancer activity.
    Duocarmycin DM free base
  • HY-132180A
    Seco-DUBA
    		98.08%
    Seco-DUBA hydrochloride is a DNA-targeting cytotoxic agent. Seco-DUBA hydrochloride binds to the minor groove of A-T-rich DNA regions, alkylates the adenine N3 residue, and undergoes spontaneous spirocyclization to generate active DUBA (HY-160969). Seco-DUBA hydrochloride exerts cytotoxic activity against human cancer cells. The reduced hydrophobicity of Seco-DUBA hydrochloride supports the development of antibody-drug conjugates.
    Seco-DUBA
  • HY-B0154
    Fluticasone propionate
    		99.93%
    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
  • HY-14648R
    Dexamethasone (Standard)
    Dexamethasone (Standard) is the analytical standard of Dexamethasone. This product is intended for research and analytical applications. Dexamethasone (Hexadecadrol) 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 (Standard)
  • HY-132162
    7-MAD-MDCPT
    		98.80%
    7-MAD-MDCPT, a Camptothecin analog, is a toxin payload in antibody drug conjugates (ADCs).
    7-MAD-MDCPT
  • HY-156617
    Cyclopropaneacetamide-Exatecan
    		99.60%
    Cyclopropaneacetamide-Exatecan is an Exatecan (HY-13631) analogue and an ADC Cytotoxin. Cyclopropaneacetamide-Exatecan can be used to synthesize ADC molecules for cancer research.
    Cyclopropaneacetamide-Exatecan
  • HY-148819A
    NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT hydrochloride
    		98.46%
    NH2-bicyclopentane-7-MAD-MDCPT hydrochloride (Formula I) is a topoisomerase I (TOP1) inhibitor. NH2-bicyclopentane-7-MAD-MDCPT hydrochloride is applicable to the synthesis of the ADC ABBV-969. NH2-bicyclopentane-7-MAD-MDCPT hydrochloride is used in research on lung adenocarcinoma and melanoma.
    NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT hydrochloride
  • HY-164285
    MYX1715
    		99.55%
    MYX1715 is an inhibitor of N-Myristoyltransferase (NMT) with a KD value of 0.09 nM. MYX1715 inhibits the proliferation of LU0884 and LU2511 with IC50 values of 44 nM and 9 nM. MYX1715 exhibits antitumor efficacy against neuroblastoma and gastric cancer in mouse models. MYX1715 can be used as ADC toxin.
    MYX1715
  • HY-15583
    Auristatin F
    		99.96%
    Auristatin F is a potent cytotoxin in antibo-conjugated agents and an analogue of MMAF. Auristatin F is a potent microtubule inhibitor and vascular damaging agent (VDA). Auristatin F inhibits cell division by preventing tubulin aggregation.Auristatin F can be used in antibody-drug conjugates (ADC) .
    Auristatin F
  • HY-129589
    Thailanstatin A
    		99.71%
    Thailanstatin A is an ultra-potent inhibitor of eukaryotic RNA splicing (IC50=650 nM). Thailanstatin A exerts effects via non-covalent binding to the SF3b subunit of the U2 snRNA subcomplex of the spliceosome and shows low-nM to sub-nM IC50s against multiple cancer cell lines. Thailanstatin A, a payload for ADCs, is conjugated to the lysines on trastuzumab yielding “linker-less” ADC.
    Thailanstatin A
  • HY-101127
    SGD-1882
    		98.45%
    SGD-1882 is a cytotoxic, DNA minor-groove crosslinking agent pyrrolobenzodiazepine (PBD) dimer, acting as the payload for ADCs.
    SGD-1882
  • HY-148819
    NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT
    		98.71%
    NH2-bicyclopentane-7-MAD-MDCPT (Formula I) is a topoisomerase I (TOP1) inhibitor. NH2-bicyclopentane-7-MAD-MDCPT is applicable to the synthesis of the ADC ABBV-969. NH2-bicyclopentane-7-MAD-MDCPT is used in research on lung adenocarcinoma and melanoma.
    NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT
  • HY-15739
    Ansamitocin P-3
    		98.0%
    Ansamitocin P-3 (Antibiotic C 15003P3) is a microtubule inhibitor. Ansamitocin P-3 is a macrocyclic antitumor antibiotic.
    Ansamitocin P-3
  • HY-B0018
    10-Acetyl docetaxel
    		99.54%
    10-Acetyl docetaxel (PNU-101383) is an analog of Docetaxel (HY-B0011), with anticancer activity. 10-Acetyl docetaxel is a microtubule disassembly inhibitor, with antimitotic activity.
    10-Acetyl docetaxel
  • HY-114936
    Piericidin A
    		99.83%
    Piericidin A (AR-054) is a natural mitochondrial NADH-ubiquinone oxidoreductase (complex I) inhibitor. Piericidin A is a potent neurotoxin and inhibits mitochondrial respiration by disrupting the electron transport system through its action on NADH-ubiquinone reductase. Piericidin A is also a potential quorum-sensing inhibitor that suppresses the expression of the virulence genes of Erwinia carotovora subsp. atroseptica (Eca). Piericidin A is an ADC cytotoxin and has anti-bacterial, anticancer, insecticidal activity.
    Piericidin A
  • HY-13704S
    SN-38-d3
    		98.79%
    SN-38-d3 is the deuterium labeled SN-38. SN-38 (NK012) is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 (NK012) inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively.
    SN-38-d<sub>3</sub>
  • HY-131974
    Glucocorticoid receptor agonist-1
    		99.70%
    Glucocorticoid receptor agonist-1 is a potent glucocorticoid receptor agonist with an IC50 of 2.8 nM extracted from patent WO2017210471A1, compound 41.
    Glucocorticoid receptor agonist-1
  • HY-12522
    PF-06380101
    		99.95%
    PF-06380101 (Aur0101), an auristatin microtubule inhibitor, is a cytotoxic Dolastatin 10 analogue. PF-06380101 (Aur0101) shows excellent potencies in tumor cell proliferation assays and differential ADME properties when compared to other synthetic auristatin analogues that are used in the preparation of ADCs.
    PF-06380101
  • HY-79256
    MMAF-OMe
    		99.62%
    MMAF-Ome, an antitubulin agent, is also an ADC cytotoxin. MMAF-Ome inhibits several tumor cell lines with IC50s of 0.056 nM, 0.166 nM, 0.183 nM, and 0.449 nM for MDAMB435/5T4, MDAMB361DYT2, MDAMB468, and Raji (5T4-) cell lines, respectively.
    MMAF-OMe
  • HY-14573
    SJG-136
    		99.47%
    SJG-136 is a DNA cross-linking agent, with an XL50 of 45 nM for pBR322 DNA. SJG-136 has potent antitumor activity.
    SJG-136
Cat. No. Product Name / Synonyms Application Reactivity
ADC Payload Isoform Comparison

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