2,4-Dichloro-5-{[2-(4-methoxyphenyl)ethyl]sulfamoyl}benzoic acid CAS 743451-78-7
| CAS No. | 743451-78-7 |
| Molecular Formula | C16H15Cl2NO5S |
| Molecular Weight | 404.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,4-Dichloro-5-{[2-(4-methoxyphenyl)ethyl]sulfamoyl}benzoic acid (CAS 743451-78-7), molecular formula C16H15Cl2NO5S and molecular weight 404.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,4-Dichloro-5-{[2-(4-methoxyphenyl)ethyl]sulfamoyl}benzoic acid (C16H15Cl2NO5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 404.27 g/mol, it falls into the moderately-high-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).
As a certified reference material (CRM), 2,4-Dichloro-5-{[2-(4-methoxyphenyl)ethyl]sulfamoyl}benzoic acid 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 | C16H15Cl2NO5S |
| Molecular Weight | 404.27 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 2-[N-(2,4-Dichloro-5-methoxyphenyl)4-methylbenzenesulfonamido]acetic acid (CAS 338961-17-4)
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Recommended Standards
- 2-(benzenesulfonyl)-3-[5-(2,5-dichlorophenyl)furan-2-yl]prop-2-enenitrile (CAS 374087-60-2)
- 2,4-Bis(benzyloxy)-5-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)pyrimidine (CAS 1072944-91-2)
- 2-Cyano-n-(2,4-dichlorophenyl)-2-(4-oxo-3-phenyl-1,3-thiazolidin-2-ylidene)acetamide (CAS 924872-99-1)
- tert-Butyl (3-cyano-4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-7-fluorobenzo[b]thiophen-2-yl)carbamate (CAS 2649788-80-5)
- 5-(2,3-difluorophenyl)furan-2-carbaldehyde (CAS 1126635-06-0)
- (1R,2R)-2-(3,5-dimethylbenzoyl)cyclohexane-1-carboxylic acid (CAS 733742-85-3)
- Coelenterazine f (CAS 123437-16-1)
- tert-Butyl (3S,4S)-4-methyl-3-(methylamino)piperidine-1-carboxylate (CAS 1279894-20-0)
- 2,4,6-Trichlorophenyl 1,2-dimethyl-1H-imidazole-4-sulfonate (CAS 1171919-44-0)
- Methyl 4-(3-{[(tert-butoxy)carbonyl]amino}propoxy)-2-hydroxybenzoate (CAS 162045-32-1)
- (Z)-Hex-3-ene-2,5-diol (CAS 184763-27-7)
- Homo Sildenafil (CAS 642928-07-2)
- n-(2-Morpholinoethyl)thieno[2,3-d]pyrimidin-4-amine (CAS 851898-21-0)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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