Date published: 2026-5-16

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CRAC Channel Inhibitor, BTP2 (CAS 223499-30-7)

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Alternate Names:
YM-58483; YM58483; YM 58483
Application:
CRAC Channel Inhibitor, BTP2 is a cell-permeable analog of BTP
CAS Number:
223499-30-7
Purity:
≥98%
Molecular Weight:
421.32
Molecular Formula:
C15H9F6N5OS
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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CRAC Channel Inhibitor, BTP2 is a cell-permeable analog of 3,5-bis(trifluoromethyl)pyrazole (BTP) which specifically inhibits CRAC-mediated calcium influx in T-cells with an IC50 about 10 nM and displays ~31-fold greater selectivity over VOC. CRAC Channel Inhibitor, BTP2 blocks the calcium-induced activation and translocation of nuclear factor of activated T-cells (NFAT). It does not affect the activation of NF-kappaB and AP-1. It potently inhibits cytokine production (IC50 = 1.7 muM for IL-2) and PBMC proliferation (IC50=190 nM).


CRAC Channel Inhibitor, BTP2 (CAS 223499-30-7) References

  1. Potent inhibition of Ca2+ release-activated Ca2+ channels and T-lymphocyte activation by the pyrazole derivative BTP2.  |  Zitt, C., et al. 2004. J Biol Chem. 279: 12427-37. PMID: 14718545
  2. Basiliolides, a class of tetracyclic C19 dilactones from Thapsia garganica, release Ca(2+) from the endoplasmic reticulum and regulate the activity of the transcription factors nuclear factor of activated T cells, nuclear factor-kappaB, and activator protein 1 in T lymphocytes.  |  Navarrete, C., et al. 2006. J Pharmacol Exp Ther. 319: 422-30. PMID: 16840645
  3. YM-58483, a selective CRAC channel inhibitor, prevents antigen-induced airway eosinophilia and late phase asthmatic responses via Th2 cytokine inhibition in animal models.  |  Yoshino, T., et al. 2007. Eur J Pharmacol. 560: 225-33. PMID: 17307161
  4. The neurotransmitter GABA is a potent inhibitor of the stromal cell-derived factor-1alpha induced migration of adult CD133+ hematopoietic stem and progenitor cells.  |  Seidel, J., et al. 2007. Stem Cells Dev. 16: 827-36. PMID: 17999603
  5. STIM1 and STIM2-mediated Ca(2+) influx regulates antitumour immunity by CD8(+) T cells.  |  Weidinger, C., et al. 2013. EMBO Mol Med. 5: 1311-21. PMID: 23922331
  6. Store-operated CRAC channels regulate gene expression and proliferation in neural progenitor cells.  |  Somasundaram, A., et al. 2014. J Neurosci. 34: 9107-23. PMID: 24990931
  7. Store-Operated Ca2+ Release-Activated Ca2+ Channels Regulate PAR2-Activated Ca2+ Signaling and Cytokine Production in Airway Epithelial Cells.  |  Jairaman, A., et al. 2015. J Immunol. 195: 2122-33. PMID: 26238490
  8. Suppression of arthritis-induced bone erosion by a CRAC channel antagonist.  |  Blair, HC., et al. 2016. RMD Open. 2: e000093. PMID: 26819750
  9. Allergens stimulate store-operated calcium entry and cytokine production in airway epithelial cells.  |  Jairaman, A., et al. 2016. Sci Rep. 6: 32311. PMID: 27604412
  10. Susceptibility of epithelial tumour cell lines to hyperthermia.  |  Li, ZX., et al. 2018. Eur J Dermatol. 28: 606-612. PMID: 30530432
  11. CRAC channel regulation of innate immune cells in health and disease.  |  Clemens, RA. and Lowell, CA. 2019. Cell Calcium. 78: 56-65. PMID: 30641250
  12. Protease-activated receptor 2 activates CRAC-mediated Ca2+ influx to cause prostate smooth muscle contraction.  |  Paul, M., et al. 2019. FASEB Bioadv. 1: 255-264. PMID: 31198907
  13. Store-operated calcium entry controls innate and adaptive immune cell function in inflammatory bowel disease.  |  Letizia, M., et al. 2022. EMBO Mol Med. 14: e15687. PMID: 35919953
  14. Targeting CRAC channels in inflammatory bowel disease.  |  Kappel, S. and Peinelt, C. 2022. EMBO Mol Med. 14: e16489. PMID: 35969215

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CRAC Channel Inhibitor, BTP2, 5 mg

sc-221441
5 mg
$189.00