Date published: 2026-2-2

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HTMT dimaleate (CAS 195867-54-0)

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Alternate Names:
Histaminetrifluoromethyl toluidide dimaleate
Application:
HTMT dimaleate is a mixed H1/H2 histamine agonist that is significantly more potent than histamine itself
CAS Number:
195867-54-0
Molecular Weight:
614.57
Molecular Formula:
C19H25F3N4O•2C4H4O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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HTMT dimaleate is a mixed Histamine H1 Receptor and Histamine H2 Receptor agonist. This compound is 4x104 times more active than histamine in H2-mediated effects in natural suppressor cells. HTMT dimaleate increases intracellular Ca2+ and IP3 in lymphocytes through a binding site other than H1, H2 or H3.


HTMT dimaleate (CAS 195867-54-0) References

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  2. Cloning, expression, and pharmacological characterization of a novel human histamine receptor.  |  Zhu, Y., et al. 2001. Mol Pharmacol. 59: 434-41. PMID: 11179436
  3. Histamine H2 receptor desensitization: involvement of a select array of G protein-coupled receptor kinases.  |  Shayo, C., et al. 2001. Mol Pharmacol. 60: 1049-56. PMID: 11641433
  4. Yawning/cortical activation induced by microinjection of histamine into the paraventricular nucleus of the rat.  |  Seki, Y., et al. 2002. Behav Brain Res. 134: 75-82. PMID: 12191794
  5. A new isoquinolinone derivative with noble vasorelaxation activity.  |  Lin, CH., et al. 2003. Pharmacology. 67: 202-10. PMID: 12595751
  6. Evidence of histamine receptors in fish brain using an in vivo [14C]2-deoxyglucose autoradiographic method and an in vitro receptor-binding autoradiographic method.  |  Choich, JA., et al. 2004. Environ Res. 94: 86-93. PMID: 14643290
  7. Induction of cell differentiation in human leukemia U-937 cells by 5-oxygenated-6,7-methylenedioxycoumarins from Pterocaulon polystachyum.  |  Riveiro, ME., et al. 2004. Cancer Lett. 210: 179-88. PMID: 15183533
  8. Dual role of histamine in modulation of Leydig cell steroidogenesis via HRH1 and HRH2 receptor subtypes.  |  Mondillo, C., et al. 2005. Biol Reprod. 73: 899-907. PMID: 15917347
  9. Histamine H2 receptor overexpression induces U937 cell differentiation despite triggered mechanisms to attenuate cAMP signalling.  |  Monczor, F., et al. 2006. Biochem Pharmacol. 71: 1219-28. PMID: 16458858
  10. Demonstration of antihistamine properties with AST-1: a bioactive extract from garden slugs (Diplosolenodes occidentalis).  |  Jacob, A., et al. 2007. West Indian Med J. 56: 11-6. PMID: 17621838
  11. Small mouse cholangiocytes proliferate in response to H1 histamine receptor stimulation by activation of the IP3/CaMK I/CREB pathway.  |  Francis, H., et al. 2008. Am J Physiol Cell Physiol. 295: C499-513. PMID: 18508907
  12. Histamine stimulates the proliferation of small and large cholangiocytes by activation of both IP3/Ca2+ and cAMP-dependent signaling mechanisms.  |  Francis, HL., et al. 2012. Lab Invest. 92: 282-94. PMID: 22064319
  13. Antihistamine Effect of a Pure Bioactive Compound Isolated from Slug (Diplosolenodes occidentalis) Material.  |  Jacob, AS., et al. 2014. West Indian Med J. 63: 401-7. PMID: 25781274
  14. Congener derivatives and conjugates of histamine: synthesis and tissue and receptor selectivity of the derivatives.  |  Khan, MM., et al. 1987. J Med Chem. 30: 2115-20. PMID: 2959777
  15. The effects of derivatives of histamine on natural suppressor cells.  |  Khan, MM., et al. 1986. J Immunol. 137: 308-14. PMID: 3011908

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

HTMT dimaleate, 10 mg

sc-204003
10 mg
$224.00

HTMT dimaleate, 50 mg

sc-204003A
50 mg
$847.00