3,4-Difluoro-4'-(4'-propyl-[1,1'-bi(cyclohexan)]-4-yl)-1,1'-biphenyl CAS 119990-81-7

Purity 97%+In StockPharmaceutical Standards
CAS No.119990-81-7
Molecular FormulaC27H34F2
Molecular Weight396.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Difluoro-4'-(4'-propyl-[1,1'-bi(cyclohexan)]-4-yl)-1,1'-biphenyl CAS 119990-81-7 chemical structure

Description

Structurally, 3,4-Difluoro-4'-(4'-propyl-[1,1'-bi(cyclohexan)]-4-yl)-1,1'-biphenyl (C27H34F2) contains fluorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 396.56 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

3,4-Difluoro-4'-(4'-propyl-[1,1'-bi(cyclohexan)]-4-yl)-1,1'-biphenyl (CAS 119990-81-7) is a high-purity analytical reference standard with the molecular formula C27H34F2 and a molecular weight of 396.56 g/mol.

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

Molecular FormulaC27H34F2
Molecular Weight396.56 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
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Halogen ContentF-containing

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