2,4-Dichloro-5-[(4-ethoxyphenyl)sulfamoyl]benzoic acid CAS 380341-80-0
| CAS No. | 380341-80-0 |
| Molecular Formula | C15H13Cl2NO5S |
| Molecular Weight | 390.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 390.24 g/mol gives 2,4-Dichloro-5-[(4-ethoxyphenyl)sulfamoyl]benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,4-Dichloro-5-[(4-ethoxyphenyl)sulfamoyl]benzoic acid (CAS 380341-80-0) is a high-purity analytical reference standard with the molecular formula C15H13Cl2NO5S and a molecular weight of 390.24 g/mol.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 2,4-Dichloro-5-[(4-ethoxyphenyl)sulfamoyl]benzoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 390.24 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.
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 2,4-Dichloro-5-[(4-ethoxyphenyl)sulfamoyl]benzoic acid 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 | C15H13Cl2NO5S |
| Molecular Weight | 390.24 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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