2-(4-(4-Chlorophenoxy)phenoxy)-1-(isoxazolidin-2-yl)propan-1-one CAS 87757-15-1
| CAS No. | 87757-15-1 |
| Molecular Formula | C18H18ClNO4 |
| Molecular Weight | 347.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(4-(4-Chlorophenoxy)phenoxy)-1-(isoxazolidin-2-yl)propan-1-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.
2-(4-(4-Chlorophenoxy)phenoxy)-1-(isoxazolidin-2-yl)propan-1-one (CAS 87757-15-1) is a high-purity analytical reference standard with the molecular formula C18H18ClNO4 and a molecular weight of 347.79 g/mol.
Based on its molecular formula C18H18ClNO4, 2-(4-(4-Chlorophenoxy)phenoxy)-1-(isoxazolidin-2-yl)propan-1-one 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 347.79 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).
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.
Physical & Chemical Properties
| Molecular Formula | C18H18ClNO4 |
| Molecular Weight | 347.79 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.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenoxy Standards
- 3-(4-((3-Chlorophenoxy)methyl)phenyl)-5-(methoxymethyl)oxazolidin-2-one (CAS 79038-56-5)
- (5-(4-Chlorophenoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl acetate (CAS 318469-30-6)
- 1-Benzyl-4-(3-chlorophenoxy)phthalazine (CAS 338978-22-6)
- 1-Benzyl-4-(4-chlorophenoxy)phthalazine (CAS 320418-70-0)
- 2-Benzyl-3-(4-chlorophenoxy)quinoxaline (CAS 551931-13-6)
- 2-((3-(4-Chlorophenoxy)-4-oxo-4h-chromen-7-yl)oxy)acetic acid (CAS 315234-25-4)
- N-[2-(4-Chlorophenoxy)phenyl]-4-methyl-1-piperazinecarboxamide (CAS 69478-73-5)
- 2-(4-(4-Chlorophenoxy)phenyl)-4-methylthiazole-5-carboxylic acid (CAS 938245-04-6)
Recommended Standards
- 2-(2-Chlorophenyl)-3,4-diphenylisoxazol-5(2H)-one (CAS 57892-33-8)
- 2-Amino-N-(3-chloro-4-fluorophenyl)-4-phenylthiazole-5-carboxamide (CAS 379244-26-5)
- 2-(2-Chloro-6-fluorophenyl)-N-(4-(pyridin-4-yl)thiazol-2-yl)acetamide (CAS 692870-25-0)
- (4-Amino-2-((4-chlorophenyl)amino)thiazol-5-yl)(4-fluorophenyl)methanone (CAS 339020-24-5)
- 2-(2-(4-methylpiperazin-1-yl)quinazolin-4-yl)acetamide (CAS 425638-73-9)
- 2-Bromooxazole-5-carbonitrile (CAS 2089300-89-8)
- 2-(2-Nitroethyl)-N-phenylbenzamide (CAS 339016-52-3)
- 3-(2,3-Difluoro-4-(trifluoromethyl)phenyl)propanal (CAS 955403-61-9)
- 1-((Benzyloxy)carbonyl)-1,4,5,6-tetrahydropyridine-2-carboxylic acid (CAS 1707571-64-9)
- 7-Oxa-5-azaspiro[3.4]octane-6,8-dione (CAS 3049-40-9)
- 2-Chloro-N-(5-hydroxy-3-phenylpentyl)benzamide (CAS 1788677-82-6)
- 1-(1H-pyrazole-4-carbonyl)piperidine-3-carboxylic acid (CAS 1154936-36-3)
- (2-Amino-4,5,6,7-tetrahydrobenzo[b]thiophen-3-yl)(morpholino)methanone (CAS 554405-87-7)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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