4'-Fluoro-3,3,3',5,5-pentamethyl-2,3,4,5-tetrahydro-1,1'-biphenyl CAS 144977-47-9
| CAS No. | 144977-47-9 |
| Molecular Formula | C17H23F |
| Molecular Weight | 246.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H23F, 4'-Fluoro-3,3,3',5,5-pentamethyl-2,3,4,5-tetrahydro-1,1'-biphenyl contains fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.36 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).
4'-Fluoro-3,3,3',5,5-pentamethyl-2,3,4,5-tetrahydro-1,1'-biphenyl (CAS 144977-47-9) is a high-purity analytical reference standard with the molecular formula C17H23F and a molecular weight of 246.36 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 Formula | C17H23F |
| Molecular Weight | 246.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
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