Date published: 2026-3-19

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Roxatidine (CAS 78273-80-0)

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Alternate Names:
Desacetyl-TZU-0460
CAS Number:
78273-80-0
Purity:
≥95%
Molecular Weight:
306.40
Molecular Formula:
C17H26N2O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Roxatidine is a competitive histamine H2-receptor antagonist. It functions by selectively blocking H2 receptors in the stomach, which inhibits the production of gastric acid. This action reduces the amount of acid in the stomach, leading to decreased acidity and pepsin content. Roxatidine′s mode of action involves binding to the H2 receptors on the basolateral membrane of the parietal cell, thereby preventing histamine from activating the adenylate cyclase enzyme. This ultimately results in decreased intracellular cyclic AMP levels, leading to reduced acid secretion by the parietal cells. Roxatidine may have a cytoprotective effect on the gastric mucosa, possibly through the enhancement of mucosal blood flow and the stimulation of prostaglandin synthesis. Roxatidine′s mechanism of action involves the inhibition of gastric acid secretion and potential cytoprotective effects on the gastric mucosa.


Roxatidine (CAS 78273-80-0) References

  1. Roxatidine attenuates mast cell-mediated allergic inflammation via inhibition of NF-κB and p38 MAPK activation.  |  Lee, M., et al. 2017. Sci Rep. 7: 41721. PMID: 28139747
  2. Roxatidine Attenuates Degradation of Extracellular Matrix.  |  Ze, R., et al. 2017. Biomed Pharmacother. 95: 1156-1160. PMID: 28926925
  3. Roxatidine inhibits fibrosis by inhibiting NF‑κB and MAPK signaling in macrophages sensing breast implant surface materials.  |  Ji, L., et al. 2020. Mol Med Rep. 21: 161-172. PMID: 31746427
  4. Crocin exerts improving effects on indomethacin-induced small intestinal ulcer by antioxidant, anti-inflammatory and anti-apoptotic mechanisms.  |  Ghafarzadeh, S., et al. 2019. Vet Res Forum. 10: 277-284. PMID: 32206222
  5. Rapid oxidation of histamine H2-receptor antagonists by peroxymonosulfate during water treatment: Kinetics, products, and toxicity evaluation.  |  Qian, Y., et al. 2020. Water Res. 185: 116278. PMID: 32795718
  6. Diaphragm disease associated with nonsteroidal anti-inflammatory drugs mimicking intestinal tumor: A case report.  |  Mori, A., et al. 2020. Int J Surg Case Rep. 76: 121-124. PMID: 33032041
  7. Risk of Cancer in Association with Ranitidine and Nizatidine vs Other H2 Blockers: Analysis of the Japan Medical Data Center Claims Database 2005-2018.  |  Iwagami, M., et al. 2021. Drug Saf. 44: 361-371. PMID: 33247391
  8. H2-antagonist in IgE-mediated type I hypersensitivity reactions: what literature says so far?  |  Borro, M., et al. 2021. Clin Mol Allergy. 19: 4. PMID: 33849573
  9. New Potential of Roxatidine Acetate Hydrochloride on Atopic Dermatitis Mouse Model, Human Keratinocytes, and Human Skin Equivalent Model.  |  Kang, YM., et al. 2021. Front Pharmacol. 12: 797086. PMID: 35002730
  10. Risk of Post-Myocardial Infarction Pneumonia with Proton Pump Inhibitors, H2 Receptor Antagonists and Mucoprotective Agents: A Retrospective Nationwide Cohort Study.  |  Jeon, J. and Kim, J. 2022. J Pers Med. 12: PMID: 35055393
  11. Gastroesophageal Reflux Disease and Asthma: A Narrative Review.  |  Grandes, XA., et al. 2022. Cureus. 14: e24917. PMID: 35706753
  12. Anesthetic management of a patient with subclinical myasthenia gravis who underwent a thymectomy: a case report.  |  Uchida, S., et al. 2022. JA Clin Rep. 8: 49. PMID: 35835969
  13. Effects of Ficus pandurata Hance var. angustifolia Cheng Flavonoids on Intestinal Barrier and Cognitive Function by Regulating Intestinal Microbiota.  |  Zhang, Y., et al. 2023. Foods. 12: PMID: 37107477
  14. Systematic Exploration of the Potential Material Basis and Molecular Mechanism of the Mongolian Medicine Shudage-4 in Attenuating Stress-Induced Gastric Ulcer in Rat.  |  Jia, X., et al. 2023. Evid Based Complement Alternat Med. 2023: 8998368. PMID: 37362100

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Roxatidine, 1 mg

sc-280071A
1 mg
$61.00

Roxatidine, 10 mg

sc-280071
10 mg
$459.00