1. Cell Cycle/DNA Damage
  2. Kinesin
  3. Filanesib

Filanesib (Synonyms: ARRY-520)

製品番号: HY-15187 純度: 99.73%

Filanesib (ARRY-520) is a synthetic kinesin spindle protein (KSP) inhibitor with IC50 of 6 nM.


Filanesib 構造式

Filanesib 構造式

CAS 番号 : 885060-09-3

容量 価格(税別) 在庫状況 数量
無料サンプル (0.5-1 mg)   今すぐ申し込む  
10 mM * 1  mL in DMSO USD 125 在庫あり
Estimated Time of Arrival: December 31
5 mg USD 114 在庫あり
Estimated Time of Arrival: December 31
10 mg USD 204 在庫あり
Estimated Time of Arrival: December 31
50 mg USD 900 在庫あり
Estimated Time of Arrival: December 31
100 mg USD 1620 在庫あり
Estimated Time of Arrival: December 31
200 mg   お問い合わせ  
500 mg   お問い合わせ  

* アイテムを追加する前、数量をご選択ください


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Filanesib (ARRY-520) is a synthetic kinesin spindle protein (KSP) inhibitor with IC50 of 6 nM.

IC50 & Target[1]


6 nM (IC50)


Filanesib (ARRY-520) retains activity in multidrug-resistant cell lines. The EC50s of Filanesib (ARRY-520) for inhibition of proliferation of HCT-15, NCI/ADR-RES and K562/ADR cells are 3.7, 14 and 4.2 nM respectively. Filanesib (ARRY-520) (10 nM) blocks a majority of cells in mitosis with the monopolar spindle structure typical of KSP inhibition[1]. Filanesib (ARRY-520) (10 nM) induces mitotic arrest as judged by both increased phosphorylation of histone H3 (pHH3) and accumulation of cyclin B1 in four cells[2]. Filanesib (ARRY-520) and Paclitaxel exhibit the same cytotoxic effect on Type I and II cells. The GI50 at 48 h for Type II EOC cells is 0.0015 μM for ARRY-520. For Type I EOC cells, the GI50 at 48 h is > 3 μM for ARRY-520[3]. Filanesib (ARRY-520) (1 nM) induces significant G2M cell cycle block in OCI-AML3 cells at 24 hours[4].


Filanesib (ARRY-520) (10, 15, 20, 30 mg/kg, i.p.) is active in UISO-BCA-1 xenograft, and also superior to paclitaxel in mice bearing subcutaneous HT-29, HCT-116, MDA-MB-231 and A2780 xenografts. ARRY-520 is superior to docetaxel in the androgen receptor-negative prostate cancer xenograft model PC-3, and is also superior to docetaxel in the DU145 prostate xenograft model[1]. RPMI 8226 tumor xenografts are particularly sensitive to low doses of ARRY-520 (12.5 mg/kg, i.p.)[2]. ARRY-520 significantly inhibits tumor growth in HL60 and MV4-11 xenografts of SCID mice at concentrations of 27 mg/kg and 20 mg/kg, respectively[4].





CAS 番号



O=C(N1[[email protected]@](C2=CC=CC=C2)(CCCN)SC(C3=CC(F)=CC=C3F)=N1)N(OC)C


Room temperature in continental US; may vary elsewhere.

Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
溶剤 & 溶解度

DMSO : ≥ 100 mg/mL (237.82 mM)

*"≥" means soluble, but saturation unknown.

Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.3782 mL 11.8912 mL 23.7823 mL
5 mM 0.4756 mL 2.3782 mL 4.7565 mL
10 mM 0.2378 mL 1.1891 mL 2.3782 mL
*Please refer to the solubility information to select the appropriate solvent.
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.95 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (5.95 mM); Clear solution

  • 3.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (5.95 mM); Clear solution

*All of the co-solvents are provided by MCE.

Exponentially growing cells (0.4×106/mL) are treated with Filanesib (ARRY-520) for up to 48 hours. For combination, HL-60 and HL-60Bcl-2 cells (0.4×106/mL) are incubated with Filanesib (ARRY-520), ABT-737, or both for up to 96 hours. DMSO is used as the control agent. Apoptosis is estimated by flow cytometry measurements of phosphatidyl serine with the Annexin-V-FLUOS Staining Kit. Membrane integrity is simultaneously assessed by 7-amino-actinomycin D (7-AAD). To measure changes in the mitochondrial membrane potential (MMP), cells are loaded with CMXRos (300 nM) and MitoTracker Green (500 nM) for 1 hour at 37°C. The loss of MMP is then assessed by measuring CMXRos retention while simultaneously adjusting for mitochondrial mass.

MCE はこれらの方法の精度を確認していません。 こちらは参照専用です。


Subcutaneous tumor xenografts are allowed to grow to a volume of 250-350 mm3. The mice are randomized into groups of 3-4 based on tumor size, and are given a single dose of Filanesib (ARRY-520) i.p. At various time-points after administration of the drug, the mice are euthanized by CO2 inhalation and the tumors excised and placed in 10% neutral buffered formalin. The formalin-fixed tumors are processed and paraffin embedded by standard procedures. Spindle morphology is analyzed by staining tumor sections for α-tubulin, and apoptosis is analyzed by TUNEL stain. Monopolar/abnormal spindles and TUNEL positive (apoptotic) cells are counted in three ×40 fields from each sample, analyzed using algorithms developed in ImagePro software.

MCE はこれらの方法の精度を確認していません。 こちらは参照専用です。

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FilanesibARRY-520ARRY520ARRY 520KinesinInhibitorinhibitorinhibit



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