Methyl (2Z)-2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-({[(3,4-dichlorophenyl)carbamoyl]oxy}imino)acetate CAS 882747-41-3
| CAS No. | 882747-41-3 |
| Molecular Formula | C16H9Cl3F3N3O4 |
| Molecular Weight | 470.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl (2Z)-2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-({[(3,4-dichlorophenyl)carbamoyl]oxy}imino)acetate (CAS 882747-41-3), molecular formula C16H9Cl3F3N3O4 and molecular weight 470.61 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H9Cl3F3N3O4, Methyl (2Z)-2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-({[(3,4-dichlorophenyl)carbamoyl]oxy}imino)acetate contains a flavonoid core, 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 470.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C16H9Cl3F3N3O4 |
| Molecular Weight | 470.61 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
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