alpha,3-Dimethylstyrene CAS 1124-20-5

Purity >95%In StockPharmaceutical Standards
CAS No.1124-20-5
Molecular FormulaC10H12
Molecular Weight132.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

alpha,3-Dimethylstyrene CAS 1124-20-5 chemical structure

Description

As a certified reference material (CRM), alpha,3-Dimethylstyrene 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.

alpha,3-Dimethylstyrene (CAS 1124-20-5), molecular formula C10H12 and molecular weight 132.20 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of alpha,3-Dimethylstyrene (C10H12) is characterized by an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).

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.

Physical & Chemical Properties

Molecular FormulaC10H12
Molecular Weight132.20 g/mol
Purity>95%
StorageStore at 2-8°C
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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Why CATO?