CAS No. 781658-23-9

Batch: Purity:99.61
4-Hydroxyisoleucine Chemical Structure
Chemical Structure
Check the 4-Hydroxyisoleucine product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 781658-23-9
Molecular Formula

C6H13NO3

Molecular Weight (MW) 147.17
SMILES CC(C(C)O)C(C(=O)O)N

Ordering Information

Biological Activity

4-Hydroxyisoleucine is an atypical branched-chain amino acid that stimulates glucose-dependent insulin secretion and modulates lipid and glucose metabolism. It targets pancreatic beta-cells to promote insulin release only under elevated glucose conditions while improving insulin sensitivity in skeletal muscle and liver tissues. These actions contribute to reduced insulin resistance and enhanced peripheral glucose clearance without inducing hypoglycemia. [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
Water 29 mg/mL
DMSO 4 mg/mL (27.17 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 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).
Note: Technical data last updated: Sep 1, 2026.