N-(3-chloro-4-methylphenyl)-2-(2-ethoxy-4-formylphenoxy)acetamide CAS 579520-56-2
| CAS No. | 579520-56-2 |
| Molecular Formula | C18H18ClNO4 |
| Molecular Weight | 347.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures N-(3-chloro-4-methylphenyl)-2-(2-ethoxy-4-formylphenoxy)acetamide 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.
CATO supplies N-(3-chloro-4-methylphenyl)-2-(2-ethoxy-4-formylphenoxy)acetamide (CAS 579520-56-2), a certified reference material (molecular formula C18H18ClNO4, MW 347.79 g/mol) for analytical method development and quality control.
Structurally, N-(3-chloro-4-methylphenyl)-2-(2-ethoxy-4-formylphenoxy)acetamide (C18H18ClNO4) contains a flavonoid 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 347.79 g/mol, it falls into the moderately-high-molecular-weight range. 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.
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.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related N Standards
- 7-Chloro-4-(2,5-dimethoxybenzyl)-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one (CAS 1340800-77-2)
- Ethyl 1-(3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)piperidine-4-carboxylate (CAS 135127-54-7)
- 3-Chloro-4-fluoro-N-(furan-3-ylmethyl)-N-(2-methoxyethyl)benzenesulfonamide (CAS 1421442-18-3)
- 2-(5-Chloro-2-ethoxy-4-formylphenoxy)-N-(p-tolyl)acetamide (CAS 1427011-92-4)
- (2-Chloro-5-nitrophenyl)methyl 4-tert-butylbenzoate (CAS 331459-98-4)
- 2-(2-Chloro-6-fluorophenyl)-N-(4-(pyridin-4-yl)thiazol-2-yl)acetamide (CAS 692870-25-0)
- 6-Chloro-1-(p-tolylamino)anthracene-9,10-dione (CAS 61100-65-0)
- 7-Chloro-1-(p-tolylamino)anthracene-9,10-dione (CAS 61100-66-1)
Recommended Standards
- Ethyl 2-amino-4-(2-chlorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate (CAS 333341-09-6)
- N'-(4-(4-chlorophenyl)thiazol-2-yl)-4-fluorobenzohydrazide (CAS 685108-42-3)
- Clanobutin (CAS 30544-61-7)
- N-(Benzyloxycarbonyl)-L-β-chloroalanine Benzyl Ester (CAS 55822-82-7)
- 3,4-Dichloro-N-cyclopentylaniline (CAS 557799-54-9)
- H-D-Homoser-OH (CAS 6027-21-0)
- 4-Benzyl-3,4-dihydroisoquinolin-1(2H)-one (CAS 40692-45-3)
- Ethyl 2-(4-(chlorosulfonyl)-2-ethylphenoxy)acetate (CAS 444613-16-5)
- (S)-3-((Methylthio)methyl)piperazin-2-one (CAS 1240584-89-7)
- 3-Chloro-2-fluoro-5-nitrobenzenesulfonamide (CAS 1341136-92-2)
- ethyl 2-(2-chloropyrimidin-5-yl)acetate (CAS 917025-00-4)
- N-(4-amino-2-methoxyphenyl)benzofuran-2-carboxamide (CAS 335210-03-2)
- N-(3-Ethoxypropyl)-N-(2-furylmethyl)amine (CAS 892582-02-4)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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