4'-Chloro-2,4,6-trimethyl-1,1'-biphenyl CAS 53243-83-7
| CAS No. | 53243-83-7 |
| Molecular Formula | C15H15Cl |
| Molecular Weight | 230.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4'-Chloro-2,4,6-trimethyl-1,1'-biphenyl (CAS 53243-83-7), molecular formula C15H15Cl and molecular weight 230.73 g/mol, is a CATO reference standard with documented purity and traceability.
4'-Chloro-2,4,6-trimethyl-1,1'-biphenyl (C15H15Cl) contains chlorine substitution, a polycyclic aromatic system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C15H15Cl |
| Molecular Weight | 230.73 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 4-Fluorophenylthioethanol (CAS 5322-63-4)
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- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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