| CAS No. | 478046-99-0 |
| Molecular Formula | C23H18Cl3NO3 |
| Molecular Weight | 462.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, (3E)-3-{[(4-chlorophenyl)methoxy]imino}-1-{3-[(2,4-dichlorophenyl)methoxy]phenyl}propan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 462.75 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
(3E)-3-{[(4-chlorophenyl)methoxy]imino}-1-{3-[(2,4-dichlorophenyl)methoxy]phenyl}propan-1-one (CAS 478046-99-0), molecular formula C23H18Cl3NO3 and molecular weight 462.75 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures (3E)-3-{[(4-chlorophenyl)methoxy]imino}-1-{3-[(2,4-dichlorophenyl)methoxy]phenyl}propan-1-one 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.
| Molecular Formula | C23H18Cl3NO3 |
| Molecular Weight | 462.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |