(9Z,11Z)-Octadeca-9,11-dienoic acid CAS 544-70-7

Purity 97%+In StockPharmaceutical Standards
CAS No.544-70-7
Molecular FormulaC18H32O2
Molecular Weight280.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(9Z,11Z)-Octadeca-9,11-dienoic acid CAS 544-70-7 chemical structure

Description

(9Z,11Z)-Octadeca-9,11-dienoic acid (CAS 544-70-7) is a high-purity analytical reference standard with the molecular formula C18H32O2 and a molecular weight of 280.45 g/mol.

The molecular framework of (9Z,11Z)-Octadeca-9,11-dienoic acid (C18H32O2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), (9Z,11Z)-Octadeca-9,11-dienoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC18H32O2
Molecular Weight280.45 g/mol
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957

Recommended Standards

Why CATO?