| CAS No. | 1291487-95-0 |
| Molecular Formula | C18H18Cl2N2O3 |
| Molecular Weight | 381.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 381.25 g/mol gives 3-Amino-4-(2,4-dichlorophenyl)-1-(3,4-dimethoxybenzyl)azetidin-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Amino-4-(2,4-dichlorophenyl)-1-(3,4-dimethoxybenzyl)azetidin-2-one (CAS 1291487-95-0) is a high-purity analytical reference standard with the molecular formula C18H18Cl2N2O3 and a molecular weight of 381.25 g/mol.
The molecular framework of 3-Amino-4-(2,4-dichlorophenyl)-1-(3,4-dimethoxybenzyl)azetidin-2-one (C18H18Cl2N2O3) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), 3-Amino-4-(2,4-dichlorophenyl)-1-(3,4-dimethoxybenzyl)azetidin-2-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.
| Molecular Formula | C18H18Cl2N2O3 |
| Molecular Weight | 381.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |