WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 406556

CAS#: 865362-74-9

Description: FR180204 is a novel and selective inhibitor of extracellular signal-regulated kinase (ERK), which may be a potential new therapy for rheumatoid arthritis.FR180204 showed activity to inhibit ERKs (IC50 values are 0.14 and 0.31 μ M for ERK2 and ERK1 respectively).

Price and Availability


USD 180
USD 750
USD 2950

USD 280
USD 1250
USD 3950

USD 480
USD 1950
USD 6950

FR180204, 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#: 406556
Name: FR180204
CAS#: 865362-74-9
Chemical Formula: C18H13N7
Exact Mass: 327.12324
Molecular Weight: 327.34
Elemental Analysis: C, 66.04; H, 4.00; N, 29.95

Synonym: FR180204; FR-180204; FR 180204.

IUPAC/Chemical Name: 5-(2-phenylpyrazolo[1,5-a]pyridin-3-yl)-1H-pyrazolo[3,4-c]pyridazin-3-amine


InChi Code: InChI=1S/C18H13N7/c19-17-12-10-13(20-22-18(12)23-21-17)15-14-8-4-5-9-25(14)24-16(15)11-6-2-1-3-7-11/h1-10H,(H3,19,21,22,23)


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, not in water

Shelf Life:
>2 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).

Harmonized System Code:

Additional Information



1: Dirican A, Atmaca H, Bozkurt E, Erten C, Karaca B, Uslu R. Novel combination of docetaxel and thymoquinone induces synergistic cytotoxicity and apoptosis in DU-145 human prostate cancer cells by modulating PI3K-AKT pathway. Clin Transl Oncol. 2014 Jul 25. [Epub ahead of print] PubMed PMID: 25060568.

2: Sreekanth GP, Chuncharunee A, Sirimontaporn A, Panaampon J, Srisawat C, Morchang A, Malakar S, Thuwajit P, Kooptiwut S, Suttitheptumrong A, Songprakhon P, Noisakran S, Yenchitsomanus PT, Limjindaporn T. Role of ERK1/2 signaling in dengue virus-induced liver injury. Virus Res. 2014 Aug 8;188:15-26. doi: 10.1016/j.virusres.2014.03.025. Epub 2014 Apr 1. PubMed PMID: 24704674.

3: Yuen N, Lam TI, Wallace BK, Klug NR, Anderson SE, O'Donnell ME. Ischemic factor-induced increases in cerebral microvascular endothelial cell Na/H exchange activity and abundance: evidence for involvement of ERK1/2 MAP kinase. Am J Physiol Cell Physiol. 2014 May 15;306(10):C931-42. doi: 10.1152/ajpcell.00021.2013. Epub 2014 Mar 19. PubMed PMID: 24647544; PubMed Central PMCID: PMC4024711.

4: Bilsland AE, Stevenson K, Liu Y, Hoare S, Cairney CJ, Roffey J, Keith WN. Mathematical model of a telomerase transcriptional regulatory network developed by cell-based screening: analysis of inhibitor effects and telomerase expression mechanisms. PLoS Comput Biol. 2014 Feb 13;10(2):e1003448. doi: 10.1371/journal.pcbi.1003448. eCollection 2014 Feb. PubMed PMID: 24550717; PubMed Central PMCID: PMC3923661.

5: Choi NY, Choi H, Park HH, Lee EH, Yu HJ, Lee KY, Joo Lee Y, Koh SH. Neuroprotective effects of amlodipine besylate and benidipine hydrochloride on oxidative stress-injured neural stem cells. Brain Res. 2014 Mar 10;1551:1-12. doi: 10.1016/j.brainres.2014.01.016. Epub 2014 Jan 16. PubMed PMID: 24440775.

6: Thaler CD, Miyata H, Haimo LT, Cardullo RA. Waveform generation is controlled by phosphorylation and swimming direction is controlled by Ca2+ in sperm from the mosquito Culex quinquefasciatus. Biol Reprod. 2013 Dec 12;89(6):135. doi: 10.1095/biolreprod.113.109488. Print 2013 Dec. PubMed PMID: 24108305.

7: Anastassiadis T, Duong-Ly KC, Deacon SW, Lafontant A, Ma H, Devarajan K, Dunbrack RL Jr, Wu J, Peterson JR. A highly selective dual insulin receptor (IR)/insulin-like growth factor 1 receptor (IGF-1R) inhibitor derived from an extracellular signal-regulated kinase (ERK) inhibitor. J Biol Chem. 2013 Sep 27;288(39):28068-77. doi: 10.1074/jbc.M113.505032. Epub 2013 Aug 9. PubMed PMID: 23935097; PubMed Central PMCID: PMC3784719.

8: Sunaga N, Kaira K, Imai H, Shimizu K, Nakano T, Shames DS, Girard L, Soh J, Sato M, Iwasaki Y, Ishizuka T, Gazdar AF, Minna JD, Mori M. Oncogenic KRAS-induced epiregulin overexpression contributes to aggressive phenotype and is a promising therapeutic target in non-small-cell lung cancer. Oncogene. 2013 Aug 22;32(34):4034-42. doi: 10.1038/onc.2012.402. Epub 2012 Sep 10. PubMed PMID: 22964644.

9: Doghman M, Lalli E. Efficacy of the novel dual PI3-kinase/mTOR inhibitor NVP-BEZ235 in a preclinical model of adrenocortical carcinoma. Mol Cell Endocrinol. 2012 Nov 25;364(1-2):101-4. doi: 10.1016/j.mce.2012.08.014. Epub 2012 Aug 31. PubMed PMID: 22960230.

10: Ragusa M, Statello L, Maugeri M, Majorana A, Barbagallo D, Salito L, Sammito M, Santonocito M, Angelica R, Cavallaro A, Scalia M, Caltabiano R, Privitera G, Biondi A, Di Vita M, Cappellani A, Vasquez E, Lanzafame S, Tendi E, Celeste S, Di Pietro C, Basile F, Purrello M. Specific alterations of the microRNA transcriptome and global network structure in colorectal cancer after treatment with MAPK/ERK inhibitors. J Mol Med (Berl). 2012 Dec;90(12):1421-38. doi: 10.1007/s00109-012-0918-8. Epub 2012 Jun 4. PubMed PMID: 22660396.