Date published: 2026-2-8

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7-Nitroindazole (CAS 2942-42-9)

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Alternate Names:
7-NI
Application:
7-Nitroindazole is a specific inhibitor of neural nitric oxide synthase (nNOS)
CAS Number:
2942-42-9
Purity:
≥97%
Molecular Weight:
163.13
Molecular Formula:
C7H5N3O2
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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7-nitroindazole is a specific inhibitor of NOS1 (nNOS). Nitric oxide is a key player in the hippocampal long-term potentiation (LTP).


7-Nitroindazole (CAS 2942-42-9) References

  1. 7-nitroindazole differentially affects the anticonvulsant activity of antiepileptic drugs against amygdala-kindled seizures in rats.  |  Borowicz, KK., et al. 2000. Epilepsia. 41: 1112-8. PMID: 10999550
  2. 7-Nitroindazole, a nitric oxide synthase inhibitor, enhances the anticonvulsive action of ethosuximide and clonazepam against pentylenetetrazol-induced convulsions.  |  Borowicz, KK., et al. 2000. J Neural Transm (Vienna). 107: 1117-26. PMID: 11129101
  3. 7-nitroindazole, but not L-NAME or aminoguanidine, attenuates anaphylactic hypotension in conscious rats.  |  Zhang, W., et al. 2009. Shock. 31: 201-6. PMID: 18497703
  4. Effects of nitric oxide synthase inhibitors 1-(2-trifluoromethylphenyl)--imidazole (TRIM) and 7-nitroindazole (7-NI) on learning and memory in mice.  |  Mutlu, O., et al. 2011. Fundam Clin Pharmacol. 25: 368-77. PMID: 20608991
  5. 7-Nitroindazole blocks the prepulse inhibition disruption and c-Fos increase induced by methylphenidate.  |  Issy, AC. and Del Bel, EA. 2014. Behav Brain Res. 262: 74-83. PMID: 24406716
  6. 7-Nitroindazole enhances c-Fos expression in spinal neurons in rats realizing operant movements.  |  Man'kovskaya, YP., et al. 2014. Acta Histochem. 116: 1427-33. PMID: 25306252
  7. 7-Nitroindazole reduces L-DOPA-induced dyskinesias in non-human Parkinsonian primate.  |  Herrero, MT., et al. 2023. Open Biol. 13: 220370. PMID: 37192671
  8. Inhibition of neuronal nitric oxide synthase by 7-nitroindazole protects against MPTP-induced neurotoxicity in mice.  |  Schulz, JB., et al. 1995. J Neurochem. 64: 936-9. PMID: 7530297
  9. Inhibition of neuronal nitric oxide synthase by 7-nitroindazole: effects upon local cerebral blood flow and glucose use in the rat.  |  Kelly, PA., et al. 1995. J Cereb Blood Flow Metab. 15: 766-73. PMID: 7545690
  10. The neuronal nitric oxide synthase inhibitor, 7-nitroindazole, protects against methamphetamine-induced neurotoxicity in vivo.  |  Itzhak, Y. and Ali, SF. 1996. J Neurochem. 67: 1770-3. PMID: 8858965

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

7-Nitroindazole, 100 mg

sc-3569
100 mg
$70.00