Date published: 2026-5-28

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RAD51-Stimulatory Compound-1, RS-1 (CAS 312756-74-4)

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Alternate Names:
3-[(benzylamino)sulfonyl]-4-bromo-N-(4-bromophenyl)benzamide
Application:
RAD51-Stimulatory Compound-1, RS-1 is a cell-permeable sulfonamide-benzamide compound
CAS Number:
312756-74-4
Molecular Weight:
524.2
Molecular Formula:
C20H16Br2N2O3S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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A cell-permeable sulfonamido-benzamide compound which acts as an allosteric effector of active human RAD51 filament structure and stimulates DNA binding and recombination activities of hRAD51 protein. Shown to enhance homologous recombination and efficiently repair Cisplatin-induced DNA damage in human fibroblasts at 7.5 µM.


RAD51-Stimulatory Compound-1, RS-1 (CAS 312756-74-4) References

  1. A chemical compound that stimulates the human homologous recombination protein RAD51.  |  Jayathilaka, K., et al. 2008. Proc Natl Acad Sci U S A. 105: 15848-53. PMID: 18840682
  2. The role of homologous recombination in the cellular response to sulphur mustard.  |  Jowsey, PA., et al. 2010. Toxicol Lett. 197: 12-8. PMID: 20435105
  3. Activation of DNA damage repair pathways in response to nitrogen mustard-induced DNA damage and toxicity in skin keratinocytes.  |  Inturi, S., et al. 2014. Mutat Res. 763-764: 53-63. PMID: 24732344
  4. Targeting the homologous recombination pathway by small molecule modulators.  |  Huang, F. and Mazin, AV. 2014. Bioorg Med Chem Lett. 24: 3006-13. PMID: 24856061
  5. Dual and Opposite Effects of hRAD51 Chemical Modulation on HIV-1 Integration.  |  Thierry, S., et al. 2015. Chem Biol. 22: 712-23. PMID: 26051216
  6. Clinically Applicable Inhibitors Impacting Genome Stability.  |  Prakash, A., et al. 2018. Molecules. 23: PMID: 29757235
  7. Histone deacetylases inhibitor and RAD51 recombinase increase transcription activator-like effector nucleases-mediated homologous recombination on the bovine β-casein gene locus.  |  Park, DS., et al. 2020. Asian-Australas J Anim Sci. 33: 1023-1033. PMID: 32054213
  8. Genome stabilization by RAD51-stimulatory compound 1 enhances efficiency of somatic cell nuclear transfer-mediated reprogramming and full-term development of cloned mouse embryos.  |  Lee, AR., et al. 2021. Cell Prolif. 54: e13059. PMID: 34021643
  9. The epigenetic regulator LSH maintains fork protection and genomic stability via MacroH2A deposition and RAD51 filament formation.  |  Xu, X., et al. 2021. Nat Commun. 12: 3520. PMID: 34112784
  10. Effects of RAD51-stimulatory compound 1 (RS-1) and its vehicle, DMSO, on pig embryo culture.  |  Lucas, CG., et al. 2021. Reprod Toxicol. 105: 44-52. PMID: 34407461

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

RAD51-Stimulatory Compound-1, RS-1, 10 mg

sc-222240
10 mg
$175.00