Description

3,5-Difluoro-4′-pentyl-1,1′-biphenyl (CAS No. 137528-89-3) is a high-purity organic compound with the molecular formula C₁₇H₁₈F₂. This biphenyl derivative features a pentyl chain at the 4′ position and fluorine substitutions at the 3 and 5 positions of the second phenyl ring, offering unique electronic and steric properties. Its IUPAC name, 1,3-difluoro-5-(4-pentylphenyl)benzene, reflects its precise structural configuration. This compound is synthesized under stringent quality control measures to ensure ≥98% purity, as verified by HPLC and NMR analysis. It is supplied as a crystalline solid with excellent stability under recommended storage conditions (2-8°C in inert atmosphere). Researchers value this material for its role as a building block in liquid crystal displays (LCDs), organic semiconductors, and pharmaceutical intermediates. Each batch is accompanied by comprehensive analytical data including GC-MS, ¹H/¹³C NMR spectra, and elemental analysis reports. Available in research quantities from 100mg to 10kg, with custom synthesis options available for bulk requirements.

Properties

• CAS Number: 137528-89-3
• Complexity: 236
• IUPAC Name: 1,3-difluoro-5-(4-pentylphenyl)benzene
• InChI: InChI=1S/C17H18F2/c1-2-3-4-5-13-6-8-14(9-7-13)15-10-16(18)12-17(19)11-15/h6-12H,2-5H2,1H3
• InChI Key: QCMGPUNAKTZLQT-UHFFFAOYSA-N
• Exact Mass: 260.13765690
• Molecular Formula: C17H18F2
• Molecular Weight: 260.32
• SMILES: CCCCCC1=CC=C(C=C1)C2=CC(=CC(=C2)F)F
• Monoisotopic Mass: 260.13765690
• Synonyms: 137528-89-3, 1,1′-Biphenyl, 3,5-difluoro-4′-pentyl-, 3,5-DIFLUORO-4′-PENTYL-1,1′-BIPHENYL, SCHEMBL2786810, DTXSID60595043, QCMGPUNAKTZLQT-UHFFFAOYSA-N, 2,6-difluoro-4-(4-pentylphenyl)benzene

Application

This fluorinated biphenyl derivative serves as a key intermediate in the synthesis of advanced liquid crystal materials for display technologies, particularly in the development of low-voltage, high-contrast LCD systems. Its molecular structure contributes to the dielectric anisotropy and viscoelastic properties of nematic liquid crystal mixtures. The compound also finds application in organic electronics as a precursor for charge-transport materials in OLED devices. In medicinal chemistry, the difluorophenyl moiety makes it valuable for designing bioactive molecules with enhanced metabolic stability and membrane permeability.

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