- Fingolimod (FTY720)
- BAF312 (Siponimod)
- PF-543
| SKI IISphingosine kinase(SK) inhibitor |

Sample solution is provided at 25 µL, 10mM.
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Cell Stem Cell.2017 Nov 20. pii: S1934-5909(17)30375-2.Quality Control & MSDS
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- Purity = 99.83%
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Chemical structure


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| Cas No. | 312636-16-1 | SDF | Download SDF |
| Synonyms | N/A | ||
| Chemical Name | 4-[[4-(4-chlorophenyl)-1,3-thiazol-2-yl]amino]phenol | ||
| Canonical SMILES | C1=CC(=CC=C1C2=CSC(=N2)NC3=CC=C(C=C3)O)Cl | ||
| Formula | C15H11ClN2OS | M.Wt | 302.78 |
| Solubility | ≥15.15mg/mL in DMSO | Storage | Store at -20°C |
| Physical Appearance | A solid | Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request |
| 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. | ||
SKI II is an inhibitor of sphingosine kinase with IC50 value of 0.5μM[1].
SKI II is selective against SK and has no inhibition of human protein kinases ERK2, PKC-I and the lipid kinase PI3K. It is reported that SKI II is not a competitive inhibitor at the ATP-binding site of SK. SKI II also inhibits endogenous SK in intact MDA-MB-231 cells [1].
As a SK inhibitor, SKI II prevents SK from catalyzing the generation of sphingosine 1-phosphate (S1P). The blockage of S1P formation leads to inhibition of proliferation, as well as the induction of apoptosis in cancer cells. SKI II shows cytotoxicity in T-24 human bladder carcinoma cells, MCF-7 human breast adenocarcinoma cells and the subline of MCF-7 cells, MCF-7/VP, with IC50 values of 4.6μM, 1.2μM and 0.9μM, respectively [1].
References:[1] French KJ, Schrecengost RS, Lee BD, Zhuang Y, Smith SN, Eberly JL, Yun JK, Smith CD. Discovery and evaluation of inhibitors of human sphingosine kinase. Cancer Res. 2003 Sep 15;63(18):5962-9.


