1-(4,5-Difluoro-2-methylphenyl)ethanone CAS 183237-85-6

Purity 97%+In StockPharmaceutical Standards
CAS No.183237-85-6
Molecular FormulaC9H8F2O
Molecular Weight170.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4,5-Difluoro-2-methylphenyl)ethanone CAS 183237-85-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 170.16 g/mol gives 1-(4,5-Difluoro-2-methylphenyl)ethanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(4,5-Difluoro-2-methylphenyl)ethanone (CAS 183237-85-6) is a high-purity analytical reference standard with the molecular formula C9H8F2O and a molecular weight of 170.16 g/mol.

Structurally, 1-(4,5-Difluoro-2-methylphenyl)ethanone (C9H8F2O) contains a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 170.16 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 1-(4,5-Difluoro-2-methylphenyl)ethanone 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 FormulaC9H8F2O
Molecular Weight170.16 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2009
Halogen ContentF-containing

Related Difluoro Standards

Recommended Standards

Why CATO?