4-((4-(2-Chlorophenoxy)phenyl)sulfonamido)benzoic acid CAS 606944-48-3
| CAS No. | 606944-48-3 |
| Molecular Formula | C19H14ClNO5S |
| Molecular Weight | 403.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-((4-(2-Chlorophenoxy)phenyl)sulfonamido)benzoic acid is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-((4-(2-Chlorophenoxy)phenyl)sulfonamido)benzoic acid (CAS 606944-48-3) is a high-purity analytical reference standard with the molecular formula C19H14ClNO5S and a molecular weight of 403.84 g/mol.
Based on its molecular formula C19H14ClNO5S, 4-((4-(2-Chlorophenoxy)phenyl)sulfonamido)benzoic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 403.84 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C19H14ClNO5S |
| Molecular Weight | 403.84 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorophenoxy Standards
- 3-((4-(2-Chlorophenoxy)phenyl)sulfonamido)benzoic acid (CAS 606944-47-2)
- 4-{4-[2-(4-chlorophenoxy)ethyl]piperazin-1-yl}-3-nitrobenzoic acid (CAS 1427379-13-2)
- 4-(4-Chlorophenoxy)-2-(4-fluorophenyl)-5-(morpholin-4-yl)-2,3-dihydropyridazin-3-one (CAS 478066-76-1)
- 2-(2-Chlorophenoxy)-N-(4-iodo-2-methylphenyl)acetamide (CAS 431885-12-0)
- 4-(4-Chlorophenoxy)-2-{[(4-chlorophenyl)methyl]sulfanyl}-6-(methoxymethyl)pyrimidine (CAS 338748-07-5)
- 2-(4-Chlorophenoxy)-3-[3-(trifluoromethyl)phenyl]quinoline (CAS 337921-84-3)
- N-[2-(4-Chlorophenoxy)phenyl]-4-phenyl-1-piperazinecarboxamide (CAS 1637486-71-5)
- Ethyl 2-(2-(4-chlorophenoxy)acetamido)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate (CAS 352687-89-9)
Recommended Standards
- 4-((2-Chloro-5-nitrobenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497949-84-5)
- 4-((4-Chloro-3-nitrobenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 613249-79-9)
- 4-{3-[(4-chlorobenzenesulfonyl)methyl]-4-nitrophenyl}-2-methylpyrimidine (CAS 303145-55-3)
- 2-Chloro-4-nitrophenyl 5-(1,2,3-thiadiazol-4-yl)thiophene-2-sulfonate (CAS 338400-22-9)
- 5-Phenyl-1,3,4-oxadiazole-2-carbonyl chloride (CAS 98591-60-7)
- 3-Methyl-5-(pentafluorothio)benzoic acid (CAS 1448317-68-7)
- 7-Nitro-benzofuran-2-carboxylic acid (CAS 90483-98-0)
- 1,4-Diphenylbut-3-en-2-one (CAS 5409-59-6)
- 1-Ethyl-6-fluoro-1h-1,3-benzodiazol-2-amine (CAS 1247481-75-9)
- 1-(Difluoromethyl)-1H-1,2,4-triazole (CAS 95759-01-6)
- Brexpiprazole Impurity 159 (CAS CATO-C4X-1131159)
- 2-Bromo-4-methyl-3-nitrophenol (CAS 74129-08-1)
- 1-(3-Methyl-4-nitrophenyl)pentan-1-one (CAS 61493-17-2)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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