Date published: 2026-5-28

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NS 2028 (CAS 204326-43-2)

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Alternate Names:
8-Bromo-4H-[1,2,4]oxadiazolo[3,4-c][1,4]benzoxazin-1-one
Application:
NS 2028 is a potent, specific, and irreversible inhibitor of soluble guanylyl cyclase
CAS Number:
204326-43-2
Purity:
≥98%
Molecular Weight:
269.05
Molecular Formula:
C9H5BrN2O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Potent, specific, and irreversible inhibitor of soluble guanylyl cyclase (IC50 = 30 nM for basal and 200 nM for NO-stimulated enzyme activity; IC50 = 17 nM for S-nitrosoglutathione-enhanced soluble guanylyl cyclase activity in homogenates of mouse cerebellum).


NS 2028 (CAS 204326-43-2) References

  1. Vascular smooth muscle contraction is an independent regulator of endothelial nitric oxide production.  |  Bang, L., et al. 1999. Scand Cardiovasc J. 33: 33-78. PMID: 10225308
  2. H(2)S-induced vasorelaxation and underlying cellular and molecular mechanisms.  |  Zhao, W. and Wang, R. 2002. Am J Physiol Heart Circ Physiol. 283: H474-80. PMID: 12124191
  3. The soluble guanylyl cyclase inhibitor NS-2028 reduces vascular endothelial growth factor-induced angiogenesis and permeability.  |  Morbidelli, L., et al. 2010. Am J Physiol Regul Integr Comp Physiol. 298: R824-32. PMID: 20032260
  4. Formation, signaling functions, and metabolisms of nitrated cyclic nucleotide.  |  Sawa, T., et al. 2013. Nitric Oxide. 34: 10-8. PMID: 23632125
  5. The role of cGMP in ocular growth and the development of form-deprivation myopia in guinea pigs.  |  Fang, F., et al. 2013. Invest Ophthalmol Vis Sci. 54: 7887-902. PMID: 24130184
  6. Formic acid up-regulates vascular tension through nitric oxide-cGMP signaling pathway.  |  Zhang, Q., et al. 2019. Chem Biol Interact. 309: 108710. PMID: 31199930
  7. L-Arginine enhanced perylenequinone production in the endophytic fungus Shiraia sp. Slf14(w) via NO signaling pathway.  |  Chen, Y., et al. 2022. Appl Microbiol Biotechnol. 106: 2619-2636. PMID: 35291023
  8. Nitric oxide mediates red light-induced perylenequinone production in Shiraia mycelium culture.  |  Wang, WJ., et al. 2024. Bioresour Bioprocess. 11: 2. PMID: 38647587
  9. Characterization of NS 2028 as a specific inhibitor of soluble guanylyl cyclase.  |  Olesen, SP., et al. 1998. Br J Pharmacol. 123: 299-309. PMID: 9489619
  10. Isometric contraction induces the Ca2+-independent activation of the endothelial nitric oxide synthase.  |  Fleming, I., et al. 1999. Proc Natl Acad Sci U S A. 96: 1123-8. PMID: 9927704

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

NS 2028, 5 mg

sc-202743
5 mg
$149.00