Octadeca-9,11,13,15-tetraenoic acid CAS 18427-44-6

Purity 97%+In StockPharmaceutical Standards
CAS No.18427-44-6
Molecular FormulaC18H28O2
Molecular Weight276.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Octadeca-9,11,13,15-tetraenoic acid CAS 18427-44-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 276.41 g/mol gives Octadeca-9,11,13,15-tetraenoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Octadeca-9,11,13,15-tetraenoic acid (CAS 18427-44-6), molecular formula C18H28O2 and molecular weight 276.41 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H28O2, Octadeca-9,11,13,15-tetraenoic acid contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 276.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

CATO manufactures Octadeca-9,11,13,15-tetraenoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC18H28O2
Molecular Weight276.41 g/mol
AppearanceOff-white to pale yellow crystalline powder
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

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