Key Specifications Table
|Empirical Formula||CAS #|
Pricing & Availability
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|Overview||A cell-permeable pyrazole compound that is shown to prevent in vitro tubulin polymerization (IC50 = 0.2 µM) by targeting Colchicine (Cat. No. 234115) binding site (Kd = 0.3 µM) in cell-free assays and induce blebs formation in HUVEC cultures by perturbing both tubulin microtubles and actin cytoskeleton structures. Unrelated to its effects on actin and tubulin filaments, XRP44X is also reported to block the activations of Ras and its downstream effector molecules, such as Raf, MEK, Erk, Rsk, and Net (Elk-3/SAP-2/Erp), upon FGF-2 (Cat. No. 341595) stimulation. Potently inhibits the growth of HUVEC, NIH3T3, as well as 9 other cancer cell lines in antiproliferation assays (IC50 ≤11.3 nM).|
|Synonyms||1-(3-Chlorophenyl)-4-((3-methyl-1-phenyl-1H-pyrazol-5-yl)carbonyl)piperazine, Actin Assembly Inhibitor XVI, Ras Activation Inhibitor, Tubulin Polymerization Inhibitor IX|
|References||Wasylyk, C., et al. 2008. Cancer Res. 68, 1275.|
|Structure formula Image|
|Purity||≥98% by HPLC|
|Safety Information according to GHS|
|S Phrase||S: 22-24/25-36/37/39
Do not breathe dust.
Avoid contact with skin and eyes.
Wear suitable protective clothing, gloves and eye/face protection.
|Product Usage Statements|
|Packaged under inert gas||Packaged under inert gas|
|Wasylyk, C., et al. 2008. Cancer Res. 68, 1275.|
Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.