4-(2-Chlorophenoxy)-3-nitrobenzaldehyde CAS 338403-42-2
| CAS No. | 338403-42-2 |
| Molecular Formula | C13H8ClNO4 |
| Molecular Weight | 277.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(2-Chlorophenoxy)-3-nitrobenzaldehyde (CAS 338403-42-2), a certified reference material (molecular formula C13H8ClNO4, MW 277.66 g/mol) for analytical method development and quality control.
Structurally, 4-(2-Chlorophenoxy)-3-nitrobenzaldehyde (C13H8ClNO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 277.66 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 4-(2-Chlorophenoxy)-3-nitrobenzaldehyde 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.
Physical & Chemical Properties
| Molecular Formula | C13H8ClNO4 |
| Molecular Weight | 277.66 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, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenoxy Standards
- 2-(4-Chlorophenoxy)-5-nitrobenzaldehyde (CAS 708254-50-6)
- 4-(3-Chlorophenoxy)-3-nitrobenzaldehyde (CAS 320417-03-6)
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Recommended Standards
- 3-Chloro-N-(5-nitropyridin-2-yl)benzamide (CAS 574724-42-8)
- 3-(4-Chlorobenzamido)pyrazine-2-carboxylic acid (CAS 294853-37-5)
- 4-(4-Chloro-2-nitro-phenoxy)-benzaldehyde (CAS 56135-50-3)
- 3-((4-Chlorophenyl)carbamoyl)pyrazine-2-carboxylic acid (CAS 278610-25-6)
- 1-(4-Chlorophenyl)-6-oxo-4-(phenylamino)-1,6-dihydropyridazine-3-carbonitrile (CAS 400081-66-5)
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- 2-Amino-N-((2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-N-methylacetamide (CAS 1304224-16-5)
- 1-(3-Chloro-2-methoxyphenyl)ethanol (CAS 1225846-52-5)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com