3-Chloro-1-(3-phenyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)propan-1-one CAS 478048-66-7
| CAS No. | 478048-66-7 |
| Molecular Formula | C17H16ClNO2 |
| Molecular Weight | 301.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Chloro-1-(3-phenyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)propan-1-one (C17H16ClNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 301.77 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 3-Chloro-1-(3-phenyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)propan-1-one (CAS 478048-66-7), a certified reference material (molecular formula C17H16ClNO2, MW 301.77 g/mol) for analytical method development and quality control.
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 3-Chloro-1-(3-phenyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)propan-1-one 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.
Physical & Chemical Properties
| Molecular Formula | C17H16ClNO2 |
| Molecular Weight | 301.77 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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 |
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Recommended Standards
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- N-Hydroxy-2-[[4-(1-methylethyl)phenyl]sulfonyl]ethanimidamide (CAS 946386-86-3)
- Pyrimido[5,4-d]Pyrimidine Impurity 1 (CAS 6713-54-8)
- 3-(Benzo[b]thiophen-3-yl)-3-methylbutanoic acid (CAS 1518401-88-1)
- 5-(3-Ethoxyphenyl)pyrimidin-2-amine (CAS 1111102-55-6)
- Cyclopropanecarboxamide, 1-amino-N-phenyl- (CAS 1484273-53-1)
- 5-(Ethylamino)pentanoic acid hydrochloride (CAS 854878-81-2)
- Semaglutide impurity 195 (CAS CATO-C4X-2226195)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com