(9E,12E)-Octadeca-9,12-dienoic Acid CAS 506-21-8

Purity >95%In StockPharmaceutical Standards
CAS No.506-21-8
Molecular FormulaC18H32O2
Molecular Weight280.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(9E,12E)-Octadeca-9,12-dienoic Acid CAS 506-21-8 chemical structure

Description

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

CATO supplies (9E,12E)-Octadeca-9,12-dienoic Acid (CAS 506-21-8), a certified reference material (molecular formula C18H32O2, MW 280.45 g/mol) for analytical method development and quality control.

Structurally, (9E,12E)-Octadeca-9,12-dienoic Acid (C18H32O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 280.45 g/mol, it falls into the medium-molecular-weight range. 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).

As a certified reference material (CRM), (9E,12E)-Octadeca-9,12-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
Purity>95%
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

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