3,5-Dichloro-3-(3,5-dimethylphenyl)propiophenone CAS 898781-07-2

Purity 97%+In StockPharmaceutical Standards
CAS No.898781-07-2
Molecular FormulaC17H16Cl2O
Molecular Weight307.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-Dichloro-3-(3,5-dimethylphenyl)propiophenone CAS 898781-07-2 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.

3,5-Dichloro-3-(3,5-dimethylphenyl)propiophenone (CAS 898781-07-2), molecular formula C17H16Cl2O and molecular weight 307.21 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C17H16Cl2O, 3,5-Dichloro-3-(3,5-dimethylphenyl)propiophenone contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 307.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures 3,5-Dichloro-3-(3,5-dimethylphenyl)propiophenone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC17H16Cl2O
Molecular Weight307.21 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing

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