Date published: 2026-4-5

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Methazolamide (CAS 554-57-4)

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Alternate Names:
Methenamide; Neptazaneat; Neptazane
Application:
Methazolamide is a carbonic anhydrase inhibitor
CAS Number:
554-57-4
Purity:
≥95%
Molecular Weight:
236.27
Molecular Formula:
C5H8N4O3S2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Methazolamide functions as a carbonic anhydrase inhibitor, targeting the enzymatic activity of carbonic anhydrase isoforms prevalent in various tissues, including the eye and renal system. By inhibiting this enzyme, methazolamide reduces the formation of bicarbonate ions, leading to a decrease in fluid transport and secretion. Modulation of ion and fluid transport is necessary to study physiological processes. The inhibition properties of methazolamide are utilized in studies focused on understanding ionic balance and fluid dynamics, providing valuable insights into the underlying biology of cellular transport systems. Its role in altering the pH balance within cells and tissues makes it useful in experimental setups investigating the effects of acid-base homeostasis in various biological scenarios.


Methazolamide (CAS 554-57-4) References

  1. Methazolamide and melatonin inhibit mitochondrial cytochrome C release and are neuroprotective in experimental models of ischemic injury.  |  Wang, X., et al. 2009. Stroke. 40: 1877-85. PMID: 19299628
  2. Methazolamide does not impair respiratory work performance in anesthetized rabbits.  |  Kiwull-Schöne, HF., et al. 2009. Am J Physiol Regul Integr Comp Physiol. 297: R648-54. PMID: 19553495
  3. The metabolism of methazolamide - identification of metabolites in guinea pig urine.  |  Kishida, K., et al. 2011. Drug Metab Lett. 5: 45-54. PMID: 21198437
  4. Methazolamide is a new hepatic insulin sensitizer that lowers blood glucose in vivo.  |  Konstantopoulos, N., et al. 2012. Diabetes. 61: 2146-54. PMID: 22586591
  5. Optimization of methazolamide-loaded solid lipid nanoparticles for ophthalmic delivery using Box-Behnken design.  |  Wang, F., et al. 2014. J Liposome Res. 24: 171-81. PMID: 24611687
  6. The carbonic anhydrase inhibitor methazolamide prevents amyloid beta-induced mitochondrial dysfunction and caspase activation protecting neuronal and glial cells in vitro and in the mouse brain.  |  Fossati, S., et al. 2016. Neurobiol Dis. 86: 29-40. PMID: 26581638
  7. Methazolamide improves neurological behavior by inhibition of neuron apoptosis in subarachnoid hemorrhage mice.  |  Li, M., et al. 2016. Sci Rep. 6: 35055. PMID: 27731352
  8. The Metabolism of Methazolamide in Immortalized Human Keratinocytes, HaCaT Cells.  |  Sasabe, T., et al. 2017. Drug Metab Lett. 10: 295-305. PMID: 28137210
  9. CD8+ T-cell activation by methazolamide causes methazolamide-induced Stevens-Johnson syndrome and toxic epidermal necrolysis.  |  Jee, YK., et al. 2017. Clin Exp Allergy. 47: 972-974. PMID: 28295713
  10. Therapeutic Efficacy of Methazolamide Against Intermittent Hypoxia-Induced Excessive Erythrocytosis in Rats.  |  Zhang, Z., et al. 2018. High Alt Med Biol. 19: 69-80. PMID: 29077517
  11. Association between HLA-B*5901 and methazolamide-induced Stevens-Johnson syndrome/toxic epidermal necrolysis: a systematic review and meta-analysis.  |  Tangamornsuksan, W. and Lohitnavy, M. 2019. Pharmacogenomics J. 19: 286-294. PMID: 30242287
  12. Methazolamide Attenuates the Development of Diabetic Cardiomyopathy by Promoting β-Catenin Degradation in Type 1 Diabetic Mice.  |  Chen, X., et al. 2022. Diabetes. 71: 795-811. PMID: 35043173
  13. Detection, identification, characterization, and high-performance liquid chromatography quantification of five impurities from a methazolamide product.  |  Shen, Q., et al. 2022. J Sep Sci. 45: 3128-3138. PMID: 35691018

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Methazolamide, 1 g

sc-235615
1 g
$94.00