(2E,4E)-Octa-2,4-dienoic acid CAS 22329-75-5

Purity 97%+In StockPharmaceutical Standards
CAS No.22329-75-5
Molecular FormulaC8H12O2
Molecular Weight140.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2E,4E)-Octa-2,4-dienoic acid CAS 22329-75-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 140.18 g/mol gives (2E,4E)-Octa-2,4-dienoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(2E,4E)-Octa-2,4-dienoic acid (CAS 22329-75-5) is a high-purity analytical reference standard with the molecular formula C8H12O2 and a molecular weight of 140.18 g/mol.

Based on its molecular formula C8H12O2, (2E,4E)-Octa-2,4-dienoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 140.18 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC8H12O2
Molecular Weight140.18 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1963

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