((E)-penta-1,4-dienyl)-benzene CAS 33558-12-2

Purity 97%+In StockPharmaceutical Standards
CAS No.33558-12-2
Molecular FormulaC11H12
Molecular Weight144.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

((E)-penta-1,4-dienyl)-benzene CAS 33558-12-2 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)-penta-1,4-dienyl)-benzene (CAS 33558-12-2) is a high-purity analytical reference standard with the molecular formula C11H12 and a molecular weight of 144.21 g/mol.

Structurally, ((E)-penta-1,4-dienyl)-benzene (C11H12) contains 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 144.21 g/mol, it falls into the low-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), ((E)-penta-1,4-dienyl)-benzene 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 FormulaC11H12
Molecular Weight144.21 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966

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