(3-Nitro-4-phenoxyphenyl)methyl 4-chlorobenzoate CAS 338960-90-0
| CAS No. | 338960-90-0 |
| Molecular Formula | C20H14ClNO5 |
| Molecular Weight | 383.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 383.78 g/mol gives (3-Nitro-4-phenoxyphenyl)methyl 4-chlorobenzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3-Nitro-4-phenoxyphenyl)methyl 4-chlorobenzoate (CAS 338960-90-0) is a high-purity analytical reference standard with the molecular formula C20H14ClNO5 and a molecular weight of 383.78 g/mol.
(3-Nitro-4-phenoxyphenyl)methyl 4-chlorobenzoate (C20H14ClNO5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), (3-Nitro-4-phenoxyphenyl)methyl 4-chlorobenzoate 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 | C20H14ClNO5 |
| Molecular Weight | 383.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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 |
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