CAS No. 60-33-3

Batch: Purity:100.00
Linoleic acid Chemical Structure
Chemical Structure
Check the Linoleic acid product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 60-33-3
Molecular Formula

C18H32O2

Molecular Weight (MW) 280.45
SMILES CCCCCC=CCC=CCCCCCCCC(=O)O

Biological Activity

Linoleic acid is an essential polyunsaturated omega-6 fatty acid that plays a critical role in cellular membrane structure and lipid signaling. It serves as a primary metabolic precursor for the biosynthesis of arachidonic acid, which is further processed into eicosanoid signaling molecules. Through incorporation into membrane phospholipids, linoleic acid regulates membrane fluidity, permeability, and downstream cell signaling pathways essential for cellular growth and physiological function. [1]

Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 56 mg/mL (199.67 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 56 mg/mL
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).

Reference

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