567731

Sphingosine Kinase Inhibitor

The Sphingosine Kinase Inhibitor, also referenced under CAS 1177741-83-1, controls the biological activity of Sphingosine Kinase. This small molecule/inhibitor is primarily used for Cell Signaling applications.

• Synonym(s): Sphingosine Kinase Inhibitor, 2-( p-Hydroxyanilino)-4-( p-chlorophenyl) thiazole, HCl, SK Inhibitor I, 2-(p-Hydroxyanilino)-4-(p-chlorophenyl) thiazole, HCl, SK Inhibitor I
• Empirical Formula (Hill Notation): C₁₅H₁₁ClN₂OS · xHCl
• CAS Number: 1177741-83-1
• Molecular Weight: 302.78 (free base basis)
• UNSPSC Code: 12352200

Properties

• Quality Level: 100
• Assay: ≥98% (HPLC)
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; desiccated (hygroscopic); protect from light
• color: white
• solubility: DMSO: 5 mg/mL
• shipped in: ambient
• storage temp.: 2-8°C
• InChI: 1S/C15H11ClN2OS.ClH/c16-11-3-1-10(2-4-11)14-9-20-15(18-14)17-12-5-7-13(19)8-6-12;/h1-9,19H,(H,17,18);1H
• InChI key: ZDRVLAOYDGQLFI-UHFFFAOYSA-N

Description

General description

A cell-permeable disubstituted thiazole compound that displays anti-tumor properties. Acts as a potent, substrate competitive, reversible, and highly specific inhibitor of sphingosine kinase (IC₅₀ = 0.5 µM for GST-hSK). Does not affect the kinase activity of hERK2, hPI3K, or PKCα even at concentrations as high as 60 µM. Induces apoptosis in human cancer cells that express the drug transport proteins Pgp or MRP1 (IC₅₀ = ~ 1-5 µM) through inhibiting sphingosine-1-phosphate production.

A cell-permeable, potent non-ATP-competitive, reversible, and specific inhibitor of sphingosine kinase (IC₅₀ = 500 nM for GST-hSK) that also exhibits anti-tumor properties. Does not affect the kinase activity of hERK2, hPI3 K, or PKC_α at cocentrations as high as 60 µM. Shown to induce apoptosis in human cancer cells that express the drug transport proteins Pgp or MRP1 (IC₅₀ ~1-5 µM) by inhibiting sphingosine-1-phosphate production.

Biochem/physiol Actions

Cell permeable: yes

Primary Target
GST-hsk

Product competes with ATP.

Reversible: yes

Target IC₅₀: 0.5 µM for GST-hSK

Packaging

Packaged under inert gas

Warning

Toxicity: Carcinogenic / Teratogenic (D)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

French, K.J., et al. 2003. Cancer Res.63, 5962.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1