Methyl 4',5-dimethyl-[1,1'-biphenyl]-2-carboxylate CAS 216442-85-2
| CAS No. | 216442-85-2 |
| Molecular Formula | C16H16O2 |
| Molecular Weight | 240.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H16O2, Methyl 4',5-dimethyl-[1,1'-biphenyl]-2-carboxylate contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.30 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).
Methyl 4',5-dimethyl-[1,1'-biphenyl]-2-carboxylate (CAS 216442-85-2) is a high-purity analytical reference standard with the molecular formula C16H16O2 and a molecular weight of 240.30 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 Formula | C16H16O2 |
| Molecular Weight | 240.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2018 |
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Recommended Standards
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- Methyl 3-(2-fluoro-5-methylphenyl)-5-methoxybenzoate (CAS 1820649-40-8)
- (2r)-1-Chloro-3-phenylpropan-2-ol (CAS 112009-61-7)
- 3-(1-Cyclopropyl-2-hydroxyethyl)phenol (CAS 1896517-36-4)
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- [y-Glu3]-Semaglutide Impurity 135 (CAS CATO-C4X-2226135)
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