2,4,4',6-Tetramethylbenzophenone CAS 1146-84-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1146-84-5
Molecular FormulaC17H18O
Molecular Weight238.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,4,4',6-Tetramethylbenzophenone CAS 1146-84-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 238.32 g/mol gives 2,4,4',6-Tetramethylbenzophenone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,4,4',6-Tetramethylbenzophenone (CAS 1146-84-5), molecular formula C17H18O and molecular weight 238.32 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2,4,4',6-Tetramethylbenzophenone (C17H18O) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 238.32 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).

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.

As a certified reference material (CRM), 2,4,4',6-Tetramethylbenzophenone 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 FormulaC17H18O
Molecular Weight238.32 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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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Why CATO?