(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4-pentadienal CAS 25528-87-4

Purity 97%+In StockPharmaceutical Standards
CAS No.25528-87-4
Molecular FormulaC15H20O
Molecular Weight216.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4-pentadienal CAS 25528-87-4 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.

(2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4-pentadienal (CAS 25528-87-4) is a high-purity analytical reference standard with the molecular formula C15H20O and a molecular weight of 216.32 g/mol.

Structurally, (2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4-pentadienal (C15H20O) contains a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 216.32 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), (2E,4E)-3-Methyl-5-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4-pentadienal 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 FormulaC15H20O
Molecular Weight216.32 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1964

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