Date published: 2026-5-19

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O-3M3FBS (CAS 313981-55-4)

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Alternate Names:
2,4,6-Trimethyl-N-[2-(trifluoromethyl)phenyl]benzenesulfonamide
Application:
O-3M3FBS is a negative control inactive analog of m-3M3FBS
CAS Number:
313981-55-4
Molecular Weight:
343.36
Molecular Formula:
C16H16F3NO2S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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O-3M3FBS is a synthetic small molecule known primarily as a potent and irreversible activator of phospholipase C (PLC), an enzyme involved in intracellular signal transduction pathways. In research applications, O-3M3FBS is utilized to study the PLC signaling pathway, which plays a role in various cellular processes such as cell growth, differentiation, and motility. By activating PLC, researchers can mimic the effects of physiological agonists and investigate the downstream effects of increased inositol trisphosphate and diacylglycerol levels, which are second messengers that modulate calcium release and protein kinase C activation, respectively. This compound aids in elucidating the complex cellular responses to external stimuli and contributes to the understanding of how disruptions in PLC activity can influence various biological outcomes. Additionally, O-3M3FBS is used in probing the interaction between PLC and other signaling proteins, thereby shedding light on the intricate networks that govern cellular responses.


O-3M3FBS (CAS 313981-55-4) References

  1. Identification of a compound that directly stimulates phospholipase C activity.  |  Bae, YS., et al. 2003. Mol Pharmacol. 63: 1043-50. PMID: 12695532
  2. Phospholipase C activator m-3M3FBS affects Ca2+ homeostasis independently of phospholipase C activation.  |  Krjukova, J., et al. 2004. Br J Pharmacol. 143: 3-7. PMID: 15302681
  3. The novel phospholipase C activator, m-3M3FBS, induces monocytic leukemia cell apoptosis.  |  Lee, YN., et al. 2005. Cancer Lett. 222: 227-35. PMID: 15863272
  4. Acetylcholine-induced Ca2+ oscillations are modulated by a Ca2+ regulation of InsP3R2 in rat portal vein myocytes.  |  Fritz, N., et al. 2008. Pflugers Arch. 456: 277-83. PMID: 18026983
  5. The novel phospholipase C activator, m-3M3FBS, induces apoptosis in tumor cells through caspase activation, down-regulation of XIAP and intracellular calcium signaling.  |  Jung, EM., et al. 2008. Apoptosis. 13: 133-45. PMID: 18060503
  6. Phospholipase C-independent effects of 3M3FBS in murine colon.  |  Dwyer, L., et al. 2010. Eur J Pharmacol. 628: 187-94. PMID: 19931239
  7. Cholesterol modulates ion channels via down-regulation of phosphatidylinositol 4,5-bisphosphate.  |  Chun, YS., et al. 2010. J Neurochem. 112: 1286-94. PMID: 20015154
  8. Amphetamine actions at the serotonin transporter rely on the availability of phosphatidylinositol-4,5-bisphosphate.  |  Buchmayer, F., et al. 2013. Proc Natl Acad Sci U S A. 110: 11642-7. PMID: 23798435
  9. Activation of phospholipase C mimics the phase shifting effects of light on melatonin rhythms in retinal photoreceptors.  |  Semple-Rowland, S., et al. 2013. PLoS One. 8: e83378. PMID: 24386190
  10. Increases in intracellular calcium via activation of potentially multiple phospholipase C isozymes in mouse olfactory neurons.  |  Szebenyi, SA., et al. 2014. Front Cell Neurosci. 8: 336. PMID: 25374507
  11. Diacylglycerol mediates regulation of TASK potassium channels by Gq-coupled receptors.  |  Wilke, BU., et al. 2014. Nat Commun. 5: 5540. PMID: 25420509
  12. A Closely Associated Phospholipase C Regulates Cation Channel Function through Phosphoinositide Hydrolysis.  |  Sturgeon, RM. and Magoski, NS. 2018. J Neurosci. 38: 7622-7634. PMID: 30037836
  13. Phosphatidylinositol 4,5-bisphosphate (PIP2) facilitates norepinephrine transporter dimerization and modulates substrate efflux.  |  Luethi, D., et al. 2022. Commun Biol. 5: 1259. PMID: 36396757

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

O-3M3FBS, 10 mg

sc-204142
10 mg
$143.00

O-3M3FBS, 50 mg

sc-204142A
50 mg
$469.00