CAS No. 298197-04-3

Batch: Purity:99.71
Fatostatin Hydrobromide Chemical Structure
Chemical Structure
Check the Fatostatin Hydrobromide product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 4-(4-methylphenyl)-2-(2-propyl-4-pyridinyl)-1,3-thiazole;hydrobromide
CAS Number 298197-04-3
Molecular Formula

C18H18N2S·HBr

Molecular Weight (MW) 375.33
SMILES CCCC1=NC=CC(=C1)C2=NC(=CS2)C3=CC=C(C=C3)C.Br
InChIKey RJCFNQZVFUMORB-UHFFFAOYSA-N

Ordering Information

Biological Activity

Fatostatin Hydrobromide is a selective inhibitor of sterol regulatory element-binding proteins, impairing the activation of both SREBP-1 and SREBP-2. By directly binding to SREBP cleavage-activating protein (SCAP), it blocks the ER-to-Golgi translocation of SREBPs. This disrupts lipogenic gene expression, leading to decreased lipid accumulation, reduced fatty acid and cholesterol synthesis, and suppressed cell proliferation in various metabolic and cancer cell models. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
Ethanol 58 mg/mL
DMSO 7 mg/mL (18.65 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

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Note: Technical data last updated: Sep 1, 2026.