Methyl 3-(3-chlorobenzamido)-6-[(E)-2-[(3,5-dimethylphenyl)amino]ethenyl]-2-oxo-2H-pyran-5-carboxylate CAS 341966-07-2
| CAS No. | 341966-07-2 |
| Molecular Formula | C24H21ClN2O5 |
| Molecular Weight | 452.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C24H21ClN2O5, Methyl 3-(3-chlorobenzamido)-6-[(E)-2-[(3,5-dimethylphenyl)amino]ethenyl]-2-oxo-2H-pyran-5-carboxylate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 452.89 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 3-(3-chlorobenzamido)-6-[(E)-2-[(3,5-dimethylphenyl)amino]ethenyl]-2-oxo-2H-pyran-5-carboxylate (CAS 341966-07-2) is a high-purity analytical reference standard with the molecular formula C24H21ClN2O5 and a molecular weight of 452.89 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 | C24H21ClN2O5 |
| Molecular Weight | 452.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- Promethazine sulfoxide HCl (CAS 5306-81-0)
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- 1-(4-Amino-3,5-difluoro-2-methoxyphenyl)ethanone (CAS 1260913-54-9)
- 1825-82-7 Silane, trichloroethoxy- DTXSID60171301 (CAS 1825-82-7)
- 6-Oxa-3-azabicyclo[3.1.1]heptane tosylate (CAS 1339953-58-0)
- 4-bromo-5-methoxy-2,1,3-benzoxadiazol-1-ium-1-olate (CAS 21678-94-4)
- 4-Bromo-1,2-dichlorobutane (CAS 26204-05-7)
- 2-(Pyrimidin-4-yl)quinazoline-4-carboxylic acid (CAS 1628638-56-1)
- 6-(4-Methoxybenzyl)-2-(methylthio)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-ol (CAS 1112098-60-8)
- Tyr-Proinsulin C-Peptide (55-89) (human) (CAS 139532-11-9)
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