Date published: 2026-2-3

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(S)-HDAC-42 (CAS 935881-37-1)

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Alternate Names:
AR-42
Application:
(S)-HDAC-42 is a potent inhibitor of HDAC
CAS Number:
935881-37-1
Purity:
≥95%
Molecular Weight:
312.4
Molecular Formula:
C18H20N2O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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(S)-HDAC-42 is a potent inhibitor of HDAC (IC50 = 16 nM in vitro). (S)-HDAC-42 decreases the viability of prostate cancer cell lines (IC50 = 0.40 muM), increasing the expression of p21 and the acetylation of histone H3 while decreasing the phosphorylation of Akt and the expression of Bcl-XL. (S)-HDAC-42 also strongly suppresses the growth of PC-3 tumor xenografts, reducing levels of phospho-Akt and Bcl-XL protein in tumors.


(S)-HDAC-42 (CAS 935881-37-1) References

  1. Molecularly targeted radiosensitization of human prostate cancer by modulating inhibitor of apoptosis.  |  Dai, Y., et al. 2008. Clin Cancer Res. 14: 7701-10. PMID: 19047096
  2. AR-42, a novel HDAC inhibitor, exhibits biologic activity against malignant mast cell lines via down-regulation of constitutively activated Kit.  |  Lin, TY., et al. 2010. Blood. 115: 4217-25. PMID: 20233974
  3. Preclinical Pharmacokinetics Study of R- and S-Enantiomers of the Histone Deacetylase Inhibitor, AR-42 (NSC 731438), in Rodents.  |  Cheng, H., et al. 2016. AAPS J. 18: 737-45. PMID: 26943915
  4. AR-42 induces apoptosis in human hepatocellular carcinoma cells via HDAC5 inhibition.  |  Zhang, M., et al. 2016. Oncotarget. 7: 22285-94. PMID: 26993777
  5. Sensitivity of osteosarcoma cells to HDAC inhibitor AR-42 mediated apoptosis.  |  Murahari, S., et al. 2017. BMC Cancer. 17: 67. PMID: 28109246
  6. The Effect of a Histone Deacetylase Inhibitor (AR-42) on Canine Prostate Cancer Growth and Metastasis.  |  Elshafae, SM., et al. 2017. Prostate. 77: 776-793. PMID: 28181686
  7. Histone deacetylase inhibitor AR-42 inhibits breast cancer cell growth and demonstrates a synergistic effect in combination with 5-FU.  |  Zhou, R., et al. 2018. Oncol Lett. 16: 1967-1974. PMID: 30008890
  8. Synergistic activity of imatinib and AR-42 against chronic myeloid leukemia cells mainly through HDAC1 inhibition.  |  Wei, D., et al. 2018. Life Sci. 211: 224-237. PMID: 30248347
  9. Retraction: Antitumor Effects of a Novel Phenylbutyrate-based Histone Deacetylase Inhibitor, (S)-HDAC-42, in Prostate Cancer.  |  Kulp, SK., et al. 2019. Clin Cancer Res. 25: 2940. PMID: 31043388
  10. Histone deacetylase inhibitor, AR-42, exerts antitumor effects by inducing apoptosis and cell cycle arrest in Y79 cells.  |  Duan, S., et al. 2019. J Cell Physiol. 234: 22411-22423. PMID: 31102271
  11. Anti-oral Squamous Cell Carcinoma Effects of a Potent TAZ Inhibitor AR-42.  |  Su, L., et al. 2020. J Cancer. 11: 364-373. PMID: 31897232
  12. Phase I study of AR-42 and decitabine in acute myeloid leukemia.  |  Liva, SG., et al. 2020. Leuk Lymphoma. 61: 1484-1492. PMID: 32037935
  13. Histone deacetylase inhibitor AR-42 and achiral analogues kill malaria parasites in vitro and in mice.  |  Chua, MJ., et al. 2021. Int J Parasitol Drugs Drug Resist. 17: 118-127. PMID: 34560571
  14. The Effect of a Histone Deacetylase Inhibitor (AR-42) and Zoledronic Acid on Adult T-Cell Leukemia/Lymphoma Osteolytic Bone Tumors.  |  Elshafae, SM., et al. 2021. Cancers (Basel). 13: PMID: 34680215

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(S)-HDAC-42, 1 mg

sc-296364
1 mg
$96.00

(S)-HDAC-42, 5 mg

sc-296364A
5 mg
$417.00