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MedKoo CAT#: 563553

CAS#: 729605-21-4

Description: XRP44X is a potent Ras-Net (Elk-3) pathway inhibitor.

Price and Availability

Size Price Shipping out time Quantity
100mg USD 450 2 Weeks
200mg USD 850 2 Weeks
500mg USD 1650 2 Weeks
1g USD 2950 2 Weeks
2g USD 4950 2 Weeks
5g USD 7450 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-07-12. Prices are subject to change without notice.

XRP44X, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 563553
Name: XRP44X
CAS#: 729605-21-4
Chemical Formula: C21H21ClN4O
Exact Mass: 380.1404
Molecular Weight: 380.87
Elemental Analysis: C, 66.22; H, 5.56; Cl, 9.31; N, 14.71; O, 4.20

Synonym: XRP44X; XRP-44X; XRP 44X; XRP-44-X; XRP 44 X;

IUPAC/Chemical Name: 1-(3-Chlorophenyl)-4-[(3-methyl-1-phenyl-1H-pyrazol-5-yl)carbonyl]piperazine


InChi Code: InChI=1S/C21H21ClN4O/c1-16-14-20(26(23-16)18-7-3-2-4-8-18)21(27)25-12-10-24(11-13-25)19-9-5-6-17(22)15-19/h2-9,14-15H,10-13H2,1H3


Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>3 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


1: Li TZ, Kim SM, Hur W, Choi JE, Kim JH, Hong SW, Lee EB, Lee JH, Yoon SK. Elk-3 Contributes to the Progression of Liver Fibrosis by Regulating the Epithelial-Mesenchymal Transition. Gut Liver. 2017 Jan 15;11(1):102-111. doi: 10.5009/gnl15566. PubMed PMID: 27538444; PubMed Central PMCID: PMC5221867.

2: Semenchenko K, Wasylyk C, Cheung H, Tourrette Y, Maas P, Schalken JA, van der Pluijm G, Wasylyk B. XRP44X, an Inhibitor of Ras/Erk Activation of the Transcription Factor Elk3, Inhibits Tumour Growth and Metastasis in Mice. PLoS One. 2016 Jul 18;11(7):e0159531. doi: 10.1371/journal.pone.0159531. eCollection 2016. PubMed PMID: 27427904; PubMed Central PMCID: PMC4948895.

3: Chen J, Sun WL, Wasylyk B, Wang YP, Zheng H. c-Jun N-terminal kinase mediates microtubule-depolymerizing agent-induced microtubule depolymerization and G2/M arrest in MCF-7 breast cancer cells. Anticancer Drugs. 2012 Jan;23(1):98-107. doi: 10.1097/CAD.0b013e32834bc978. PubMed PMID: 21968419.

4: Wasylyk C, Zheng H, Castell C, Debussche L, Multon MC, Wasylyk B. Inhibition of the Ras-Net (Elk-3) pathway by a novel pyrazole that affects microtubules. Cancer Res. 2008 Mar 1;68(5):1275-83. doi: 10.1158/0008-5472.CAN-07-2674. PubMed PMID: 18316589.