7-Chloro-4-(3,4-dimethoxyphenethyl)-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one CAS 1326872-06-3
| CAS No. | 1326872-06-3 |
| Molecular Formula | C19H20ClNO4 |
| Molecular Weight | 361.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 361.82 g/mol gives 7-Chloro-4-(3,4-dimethoxyphenethyl)-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 7-Chloro-4-(3,4-dimethoxyphenethyl)-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one (CAS 1326872-06-3), a certified reference material (molecular formula C19H20ClNO4, MW 361.82 g/mol) for analytical method development and quality control.
The molecular framework of 7-Chloro-4-(3,4-dimethoxyphenethyl)-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one (C19H20ClNO4) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 7-Chloro-4-(3,4-dimethoxyphenethyl)-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H20ClNO4 |
| Molecular Weight | 361.82 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.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 1,8-Bis(2-bromoethoxy)anthracene-9,10-dione (CAS 69595-68-2)
- 2-(2-Aminothiazol-4-yl)-5-fluorophenol (CAS 1797904-54-1)
- N-Benzyloxetan-3-amine (CAS 1015937-48-0)
- 4-chloro-6-methoxy-1,7-naphthyridine (CAS 952059-61-9)
- 3-Bromo-4-chloro-5-methoxyaniline (CAS 940948-33-4)
- 4-Chloro-2-(thiophen-2-yl)quinoline (CAS 332181-86-9)
- Cholecystokinin Octapeptide (sulfated) (H-2060.0005) (CAS 25679-23-6)
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