Ethyl 2-(4-chloro-2-formylphenoxy)acetate CAS 17798-46-8
| CAS No. | 17798-46-8 |
| Molecular Formula | C11H11ClO4 |
| Molecular Weight | 242.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 2-(4-chloro-2-formylphenoxy)acetate.
Ethyl 2-(4-chloro-2-formylphenoxy)acetate (CAS 17798-46-8) is a high-purity analytical reference standard with the molecular formula C11H11ClO4 and a molecular weight of 242.66 g/mol.
Structurally, Ethyl 2-(4-chloro-2-formylphenoxy)acetate (C11H11ClO4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 242.66 g/mol, it falls into the medium-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.
As a certified reference material (CRM), Ethyl 2-(4-chloro-2-formylphenoxy)acetate 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 | C11H11ClO4 |
| Molecular Weight | 242.66 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
Related Ethyl Standards
- (2e)-3-(3-Chloro-4,5-dimethoxyphenyl)prop-2-enoic acid (CAS 1022080-99-4)
- 4-(2-Chloro-5-methoxyphenyl)-4-oxobutanoic acid (CAS 103857-60-9)
- 3-Chloro-n-(2-methyl-3-nitrophenyl)propanamide (CAS 1087791-98-7)
- 2-chloro-N-(2-methyl-3-nitrophenyl)propanamide (CAS 1098360-59-8)
- Methyl 2-(4-chloro-2-formylphenoxy)propanoate (CAS 1149804-15-8)
- 2-Chloro-N-(2,4-dimethyl-6-nitrophenyl)acetamide (CAS 1170501-18-4)
- 2-Chloro-N-methyl-N-(3-nitrobenzyl)acetamide (CAS 1179955-75-9)
- N-[(4-Chloro-2-pyridinyl)carbonyl]-2-methylalanine (CAS 1220031-50-4)
Recommended Standards
- (R)-4-Chlorokynurenine (CAS 175777-22-7)
- 3-(2-Chloro-4-(methoxycarbonyl)phenyl)propanoic acid (CAS 1806447-99-3)
- 3-(4-Chlorophenyl)-1,4-dioxane-2-carboxylic acid (CAS 1706443-94-8)
- 3-Chloro-2-(cyclopentyloxy)-4-nitropyridine (CAS 1881288-97-6)
- (+)-Lycopsamine Hydrochloride (CAS 480-83-1)
- tert-butyl 4-(4-hydroxy-2-nitrophenyl)piperazine-1-carboxylate (CAS 1881327-94-1)
- 7,8-Dimethyl-2-phenylquinoline-4-carboxylic acid (CAS 436096-53-6)
- 2-((((1-Propyl-1H-pyrazol-4-yl)methyl)amino)methyl)benzoic acid hydrochloride (CAS 1856089-50-3)
- 4-methoxy-7-nitro-1H-indazole (CAS 858227-26-6)
- 5-Methylthiazole-4-carbohydrazide (CAS 100517-03-1)
- 5-Chloro-1-isopropyl-1H-pyrazol-4-amine (CAS 1374830-10-0)
- 2-Hydroxy-5-methylbenzohydrazide (CAS 28397-43-5)
- 1-Benzyl-3-(3-bromopropyl)piperidine (CAS 1420966-34-2)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
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