4'-Trifluoromethylphenyl acetylene 4-(trifluoromethyl)phenylacetylene 1-ethynyl-4-trifluoromethyl-benzene 4-ethynyl-alpha,alpha,alpha-trifluorotoluene 1-ethynyl-4-(trifluoromethyl)benzene 4-ethynyl trifluorotoluene 1-ethynyl-4-(trifluoromethyl)-benzene 4-ethynyl-a,a,a-trifluorotoluene 705-31-7 CAS 705-31-7

Purity 97%+In StockPharmaceutical Standards
CAS No.705-31-7
Molecular FormulaC9H11F3
Molecular Weight176.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4'-Trifluoromethylphenyl acetylene 4-(trifluoromethyl)phenylacetylene 1-ethynyl-4-trifluoromethyl-benzene 4-ethynyl-alpha,alpha,alpha-trifluorotoluene 1-ethynyl-4-(trifluoromethyl)benzene 4-ethynyl trifluorotoluene 1-ethynyl-4-(trifluoromethyl)-benzene 4-ethynyl-a,a,a-trifluorotoluene 705-31-7 CAS 705-31-7 chemical structure

Description

As a certified reference material (CRM), 4'-Trifluoromethylphenyl acetylene 4-(trifluoromethyl)phenylacetylene 1-ethynyl-4-trifluoromethyl-benzene 4-ethynyl-alpha,alpha,alpha-trifluorotoluene 1-ethynyl-4-(trifluoromethyl)benzene 4-ethynyl trifluorotoluene 1-ethynyl-4-(trifluoromethyl)-benzene 4-ethynyl-a,a,a-trifluorotoluene 705-31-7 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.

CATO supplies 4'-Trifluoromethylphenyl acetylene 4-(trifluoromethyl)phenylacetylene 1-ethynyl-4-trifluoromethyl-benzene 4-ethynyl-alpha,alpha,alpha-trifluorotoluene 1-ethynyl-4-(trifluoromethyl)benzene 4-ethynyl trifluorotoluene 1-ethynyl-4-(trifluoromethyl)-benzene 4-ethynyl-a,a,a-trifluorotoluene 705-31-7 (CAS 705-31-7), a certified reference material (molecular formula C9H11F3, MW 176.18 g/mol) for analytical method development and quality control.

The molecular framework of 4'-Trifluoromethylphenyl acetylene 4-(trifluoromethyl)phenylacetylene 1-ethynyl-4-trifluoromethyl-benzene 4-ethynyl-alpha,alpha,alpha-trifluorotoluene 1-ethynyl-4-(trifluoromethyl)benzene 4-ethynyl trifluorotoluene 1-ethynyl-4-(trifluoromethyl)-benzene 4-ethynyl-a,a,a-trifluorotoluene 705-31-7 (C9H11F3) is characterized by fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 FormulaC9H11F3
Molecular Weight176.18 g/mol
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957
Halogen ContentF-containing

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