2-chloro-N-{2-[4-(difluoromethoxy)phenyl]ethyl}acetamide CAS 929973-52-4
| CAS No. | 929973-52-4 |
| Molecular Formula | C11H12ClF2NO2 |
| Molecular Weight | 263.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-chloro-N-{2-[4-(difluoromethoxy)phenyl]ethyl}acetamide (CAS 929973-52-4) is a high-purity analytical reference standard with the molecular formula C11H12ClF2NO2 and a molecular weight of 263.67 g/mol.
Based on its molecular formula C11H12ClF2NO2, 2-chloro-N-{2-[4-(difluoromethoxy)phenyl]ethyl}acetamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-chloro-N-{2-[4-(difluoromethoxy)phenyl]ethyl}acetamide 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 | C11H12ClF2NO2 |
| Molecular Weight | 263.67 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related chloro Standards
- 2-Chloro-4-[2-(trifluoromethyl)phenyl]-1,3-thiazole (CAS 1188038-00-7)
- 2-Chloro-4-[4-(trifluoromethyl)phenyl]-1,3-thiazole (CAS 945860-88-8)
- 2-chloro-N-[4-(difluoromethoxy)benzyl]-N-methylacetamide (CAS 851903-50-9)
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Recommended Standards
- 1-(3-Chlorophenyl)-5-cyclopropyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017457-45-2)
- tert-Butyl (4-chloro-2,6-difluorophenyl)carbamate (CAS 196194-59-9)
- tert-Butyl (3-chloro-2,5-difluorophenyl)carbamate (CAS 1823500-88-4)
- tert-Butyl (2-chloro-4,6-difluorophenyl)carbamate (CAS 1547764-90-8)
- 5-(4-Chlorophenyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 59719-19-6)
- N-(2-Oxo-2H-chromen-6-yl)acetamide (CAS 833-68-1)
- (4R,4'R)-2,2'-(1-Phenylpropane-2,2-diyl)bis(4-phenyl-4,5-dihydrooxazole) (S)-BnPh-SaBOX (CAS 2757082-35-0)
- 2-(3-cyclopropyl-2-oxoimidazolidin-1-yl)acetic acid (CAS 1520471-33-3)
- 9-Methyl-6,9-diazaspiro[4.5]decane (CAS 933716-21-3)
- Boc-2-amino-3,4,5-trimethoxybenzoic Acid (CAS 1185297-87-3)
- 4-Bromo-5-(butoxymethyl)-1-(difluoromethyl)-1H-pyrazole (CAS 1856019-59-4)
- 4-(3-chlorophenoxy)benzonitrile (CAS 862731-12-2)
- 5-((2-Nitrophenoxy)methyl)furan-2-carbohydrazide (CAS 827588-46-5)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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