| CAS No. | 449170-44-9 |
| Molecular Formula | C17H16ClNO4 |
| Molecular Weight | 333.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 333.77 g/mol gives N-(4-Chloro-2-methoxy-5-methylphenyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(4-Chloro-2-methoxy-5-methylphenyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 449170-44-9) is a high-purity analytical reference standard with the molecular formula C17H16ClNO4 and a molecular weight of 333.77 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, N-(4-Chloro-2-methoxy-5-methylphenyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 333.77 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures N-(4-Chloro-2-methoxy-5-methylphenyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C17H16ClNO4 |
| Molecular Weight | 333.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |