Date published: 2025-10-15

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Vinyl-L-NIO Hydrochloride (CAS 728944-69-2)

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Alternate Names:
N5-(1-Imino-3-butenyl)-L-ornithine, monohydrochloride; L-VNIO (hydrochloride)
Application:
Vinyl-L-NIO Hydrochloride is a selective inhibitor of nNOS
CAS Number:
728944-69-2
Purity:
≥95%
Molecular Weight:
235.71
Molecular Formula:
C9H17N3O2•HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Vinyl-L-NIO Hydrochloride is a potent, selective inhibitor of NOS1(nNOS, Ki = 100 nM) over NOS2 (iNOS, Ki = 60 μM) and NOS3 (eNOS, Ki = 12 μM). In the presence of NADPH and O2, vinyl-L-NIO hydrochloride irreversibly inactivates NOS1 (kinact = 0.078 min−1 and Ki = 90 nM).


Vinyl-L-NIO Hydrochloride (CAS 728944-69-2) References

  1. Cholinergic control of heart rate by nitric oxide is site specific.  |  Herring, N., et al. 2002. News Physiol Sci. 17: 202-6. PMID: 12270957
  2. NOS1-dependent negative feedback regulation of the epithelial sodium channel in the collecting duct.  |  Hyndman, KA., et al. 2015. Am J Physiol Renal Physiol. 308: F244-51. PMID: 25391901
  3. Dystrophin-glycoprotein complex regulates muscle nitric oxide production through mechanoregulation of AMPK signaling.  |  Garbincius, JF. and Michele, DE. 2015. Proc Natl Acad Sci U S A. 112: 13663-8. PMID: 26483453
  4. Role of Nitric Oxide Isoforms in Vascular and Alveolar Development and Lung Injury in Vascular Endothelial Growth Factor Overexpressing Neonatal Mice Lungs.  |  Syed, MA., et al. 2016. PLoS One. 11: e0147588. PMID: 26799210
  5. Calcium/calmodulin-dependent kinase II and nitric oxide synthase 1-dependent modulation of ryanodine receptors during β-adrenergic stimulation is restricted to the dyadic cleft.  |  Dries, E., et al. 2016. J Physiol. 594: 5923-5939. PMID: 27121757
  6. Aucubin protects against pressure overload-induced cardiac remodelling via the β3 -adrenoceptor-neuronal NOS cascades.  |  Wu, QQ., et al. 2018. Br J Pharmacol. 175: 1548-1566. PMID: 29447430
  7. NOS1AP polymorphisms reduce NOS1 activity and interact with prolonged repolarization in arrhythmogenesis.  |  Ronchi, C., et al. 2021. Cardiovasc Res. 117: 472-483. PMID: 32061134
  8. Endothelial Histone Deacetylase 1 Activity Impairs Kidney Microvascular NO Signaling in Rats fed a High Salt Diet.  |  Dunaway, LS., et al. 2023. bioRxiv.. PMID: 36945391
  9. N5-(1-Imino-3-butenyl)-L-ornithine. A neuronal isoform selective mechanism-based inactivator of nitric oxide synthase.  |  Babu, BR. and Griffith, OW. 1998. J Biol Chem. 273: 8882-9. PMID: 9535869
  10. Inhibition of endogenous nitric oxide promotes p53-dependent apoptosis induced by cisplatin in human colon cancer cells.  |  Byun, Ji Hee, and Min Young Kim. (2012). Life Sci J,. 2012; 19:: 399 406.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Vinyl-L-NIO Hydrochloride, 5 mg

sc-205541
5 mg
$59.00

Vinyl-L-NIO Hydrochloride, 10 mg

sc-205541A
10 mg
$164.00

Vinyl-L-NIO Hydrochloride, 25 mg

sc-205541B
25 mg
$275.00