| CAS No. | 338956-64-2 |
| Molecular Formula | C17H15Cl2N3O3 |
| Molecular Weight | 380.23 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, (2E,3E)-1-(3,4-Dichlorophenyl)-3-(methoxyimino)-2-[2-(4-methoxyphenyl)hydrazin-1-ylidene]propan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 380.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (2E,3E)-1-(3,4-Dichlorophenyl)-3-(methoxyimino)-2-[2-(4-methoxyphenyl)hydrazin-1-ylidene]propan-1-one (CAS 338956-64-2), a certified reference material (molecular formula C17H15Cl2N3O3, MW 380.23 g/mol) for analytical method development and quality control.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C17H15Cl2N3O3 |
| Molecular Weight | 380.23 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |