7-Methoxy-1-methyl-2-phenylquinolin-4(1H)-one CAS 483-51-2
| CAS No. | 483-51-2 |
| Molecular Formula | C14H12N2O2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 308.78 g/mol gives 7-Methoxy-1-methyl-2-phenylquinolin-4(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Methoxy-1-methyl-2-phenylquinolin-4(1H)-one (CAS 483-51-2) is a high-purity analytical reference standard with the molecular formula C14H12N2O2SHCl and a molecular weight of 308.78 g/mol.
Based on its molecular formula C14H12N2O2SHCl, 7-Methoxy-1-methyl-2-phenylquinolin-4(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 308.78 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).
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 | C14H12N2O2S HCl |
| Molecular Weight | 308.78 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 1-(2-Methoxy-6-(methylsulfonyl)phenyl)piperazine (CAS 1000018-42-7)
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Recommended Standards
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- 3-chloro-5-iodo-4-methylpyridine (CAS 1261488-18-9)
- 3-Methoxyphenyl methanesulfonate (CAS 52200-03-0)
- 2-Benzhydryl-2H-pyran-4(3H)-one (CAS 805251-34-7)
- Methyl 3-methyloxazolidine-2-carboxylate (CAS 198713-73-4)
- C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 127869-51-6)
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