1,2-Bis-[4-chloro-3-(trifluoromethyl)phenyl]tetrafluoroethane CAS 477529-17-2

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,2-Bis-[4-chloro-3-(trifluoromethyl)phenyl]tetrafluoroethane.

1,2-Bis-[4-chloro-3-(trifluoromethyl)phenyl]tetrafluoroethane (CAS 477529-17-2), molecular formula C16H6Cl2F10 and molecular weight 459.11 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C16H6Cl2F10, 1,2-Bis-[4-chloro-3-(trifluoromethyl)phenyl]tetrafluoroethane contains fluorine/chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 459.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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