ARRY-520 R enantiomerKSP inhibitor CAS# 885060-08-2 |
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Quality Control & MSDS
3D structure
Package In Stock
Number of papers citing our products
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Cas No. | 885060-08-2 | SDF | Download SDF |
PubChem ID | 46189838 | Appearance | Powder |
Formula | C20H22F2N4O2S | M.Wt | 420.48 |
Type of Compound | N/A | Storage | Desiccate at -20°C |
Solubility | DMSO : ≥ 100 mg/mL (237.82 mM) H2O : < 0.1 mg/mL (insoluble) *"≥" means soluble, but saturation unknown. | ||
Chemical Name | (2R)-2-(3-aminopropyl)-5-(2,5-difluorophenyl)-N-methoxy-N-methyl-2-phenyl-1,3,4-thiadiazole-3-carboxamide | ||
SMILES | CN(C(=O)N1C(SC(=N1)C2=C(C=CC(=C2)F)F)(CCCN)C3=CC=CC=C3)OC | ||
Standard InChIKey | LLXISKGBWFTGEI-HXUWFJFHSA-N | ||
Standard InChI | InChI=1S/C20H22F2N4O2S/c1-25(28-2)19(27)26-20(11-6-12-23,14-7-4-3-5-8-14)29-18(24-26)16-13-15(21)9-10-17(16)22/h3-5,7-10,13H,6,11-12,23H2,1-2H3/t20-/m1/s1 | ||
General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. |
Description | ARRY-520 R enantiomer is the R-enantiomer of ARRY-520. ARRY-520 is a synthetic kinesin spindle protein (KSP) inhibitor with IC50 of 6 nM. |
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ARRY-520 R enantiomer Dilution Calculator
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ARRY-520 R enantiomer Molarity Calculator
1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
1 mM | 2.3782 mL | 11.8912 mL | 23.7823 mL | 47.5647 mL | 59.4559 mL |
5 mM | 0.4756 mL | 2.3782 mL | 4.7565 mL | 9.5129 mL | 11.8912 mL |
10 mM | 0.2378 mL | 1.1891 mL | 2.3782 mL | 4.7565 mL | 5.9456 mL |
50 mM | 0.0476 mL | 0.2378 mL | 0.4756 mL | 0.9513 mL | 1.1891 mL |
100 mM | 0.0238 mL | 0.1189 mL | 0.2378 mL | 0.4756 mL | 0.5946 mL |
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. |
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Kinesin spindle protein (KSP) is one member of the mitotic kinesins involved in the early stages of mitosis responsible for centrosome separation. As the R form of ARRY-520, ARRY-520 R enantiomer is a synthetic, small molecule KSP inhibitor.
In vitro: ARRY-520 had low nanomolar antiproliferative activity in various tumor cell lines and exhibited activity in multidrug-resistant cell lines. EC50s of ARRY-520 for proliferation inhibition in HCT-15, NCI/ADR-RES and K562/ADR cells was 3.7, 14 and 4.2 nM, respectively, while paclitaxel EC50s in these cell lines was 35, 565 and 372 nM. Moreover, K562/ADR was found to be 118-fold resistant to paclitaxel when compared to the parent K562 line, but only 3.5-fold resistant to that of ARRY-520 [1].
In vivo: ARRY-520 was found to be active in UISO-BCA-1 xenografts, which were completely resistant to paclitaxel. The antitumor efficacy of ARRY-520 was also found to be superior to paclitaxel in mice bearing HT-29, HCT-116, MDA-MB-231 and A2780 xenografts. ARRY-520 was superior to docetaxel in the androgen receptor-negative prostate cancer PC-3 xenograft model, and was also superior to docetaxel in the DU145 prostate xenograft model [1].
Clinical trial: A phase I trial was conducted to establish the safety and the maximum tolerated dose (MTD) of ARRY-520. The MTD was 4.5 mg/m2 total dose per cycle for both dose schedules. Dose-limiting toxicities included exfoliative rash, hand-foot-syndrome, mucositis, and hyperbilirubinemia. Grades 3 or 4 reversible drug-related myelosuppression were observed in 33 of 36 patients [2].
Reference:
[1] Woessner R, Tunquist B, Lemieux C, Chlipala E, Jackinsky S, Dewolf W Jr, Voegtli W, Cox A, Rana S, Lee P, Walker D. ARRY-520, a novel KSP inhibitor with potent activity in hematological and taxane-resistant tumor models. Anticancer Res. 2009;29(11):4373-80.
[2] Khoury HJ, Garcia-Manero G, Borthakur G, Kadia T, Foudray MC, Arellano M, Langston A, Bethelmie-Bryan B, Rush S, Litwiler K, Karan S, Simmons H, Marcus AI, Ptaszynski M, Kantarjian H. A phase 1 dose-escalation study of ARRY-520, a kinesin spindle protein inhibitor, in patients with advanced myeloid leukemias. Cancer. 2012;118(14):3556-64.
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