| Field | Specification |
|---|---|
| Mfr No | |
| Activity | |
| Cas No. | |
| Product Type | |
| Signaling Pathway | |
| Target |
Compound Overview
SB 203580 sulfone (CAS 152121-46-5) is a research-grade small molecule supplied by TargetMol.
Physical Properties
| CAS Number | 152121-46-5 |
|---|---|
| Form | Solid |
| Shipping | Room Temperature (RT) |
Biological Activity
SB 203580 sulfone, an analog of the p38 MAP kinase inhibitor SB 203580, inhibits IL-1 production in monocytes and binds competitively with CSAID binding proteins (CSBP), inhibiting stress response signaling. It exhibits an IC50 of 0.2 uM for IL-1 inhibition and 0.03 uM for CSBP-mediated signaling inhibition (1).
Safety & Regulatory
For Research Use Only (RUO). Not for therapeutic, diagnostic, or clinical use. Wear appropriate PPE and consult the Safety Data Sheet (SDS) prior to handling.
Use a bath-type ultrasonic cleaner at standard cleaning frequency (37–40 kHz). Bath sonication is gentler than a probe sonicator and avoids sample overheating. Sonicate in 5–10 second intervals, checking solubility between pulses, for no more than 2–3 minutes total. Warm the bath to 37 °C if solubility remains poor.
Sonication time depends on compound solubility and concentration. In most cases, 1–3 minutes of intermittent bath sonication is sufficient to dissolve small molecule compounds in DMSO. For poorly soluble compounds, warming the solvent to 37–50 °C combined with brief vortexing between sonication pulses can improve dissolution. If the compound remains undissolved, prepare a more dilute stock solution.
Need this compound in a format that drops straight into your assay? We can tailor formulation, chemistry, and documentation so your results stay consistent across runs and re-orders.
- Format options: solid or pre-dissolved solution (choose solvent), target concentration, aliquots, light/moisture-protected packaging
- Chemistry options: free base/acid vs salt forms, hydrate/solvate preference, stereoisomer control (single enantiomer or racemate), close analogs
- Add-on labels & handles: D/¹³C/¹⁵N isotopes (LC-MS/internal standards), azide/alkyne or other functional handles for conjugation
- QC & documentation: standard COA or enhanced analytical pack (HPLC/LC-MS/NMR), chiral purity, residual solvents, water content (KF), method-specific specs
- Scale & continuity: mg to gram scale, bulk pricing, lot reservation, repeat-order continuity
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