(E)-3-(4-(dimethylamino)styryl)-5,5-dimethylcyclohex-2-en-1-one CAS 28218-28-2

Purity 97%+In StockPharmaceutical Standards
CAS No.28218-28-2
Molecular FormulaC18H23NO
Molecular Weight269.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-3-(4-(dimethylamino)styryl)-5,5-dimethylcyclohex-2-en-1-one CAS 28218-28-2 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

(E)-3-(4-(dimethylamino)styryl)-5,5-dimethylcyclohex-2-en-1-one (CAS 28218-28-2) is a high-purity analytical reference standard with the molecular formula C18H23NO and a molecular weight of 269.38 g/mol.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, (E)-3-(4-(dimethylamino)styryl)-5,5-dimethylcyclohex-2-en-1-one is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 269.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), (E)-3-(4-(dimethylamino)styryl)-5,5-dimethylcyclohex-2-en-1-one 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 FormulaC18H23NO
Molecular Weight269.38 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Nitrogen Atoms1

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