3-[benzyl(4-methoxyphenyl)sulfamoyl]-4-chlorobenzoic acid CAS 565173-05-9
| CAS No. | 565173-05-9 |
| Molecular Formula | C21H18ClNO5S |
| Molecular Weight | 431.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-[benzyl(4-methoxyphenyl)sulfamoyl]-4-chlorobenzoic acid.
3-[benzyl(4-methoxyphenyl)sulfamoyl]-4-chlorobenzoic acid (CAS 565173-05-9) is a high-purity analytical reference standard with the molecular formula C21H18ClNO5S and a molecular weight of 431.89 g/mol.
Based on its molecular formula C21H18ClNO5S, 3-[benzyl(4-methoxyphenyl)sulfamoyl]-4-chlorobenzoic 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 431.89 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 | C21H18ClNO5S |
| Molecular Weight | 431.89 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.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related benzyl Standards
- 5-[benzyl(4-methoxyphenyl)sulfamoyl]-2-chlorobenzoic acid (CAS 565198-70-1)
- 2-((3-Methoxyphenyl)amino)-2-oxoethyl 2-(7,7,9-trimethyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetate (CAS 869872-97-9)
- Ethyl 4-((4-(2-methoxyphenyl)-6-(trifluoromethyl)pyrimidin-2-yl)sulfonyl)butanoate (CAS 1142211-06-0)
- 4-[4-(4-Methoxyphenyl)pyrimidin-2-yl]phenyl 4-methylbenzene-1-sulfonate (CAS 477857-19-5)
- 1,2-Bis(4-methoxyphenyl)-4,5-diphenyl-1H-imidazole (CAS 21124-69-6)
- 4-(2-Methoxyphenyl)-5-(4-(morpholinosulfonyl)phenyl)-4H-1,2,4-triazole-3-thiol (CAS 917749-91-8)
- 7-(4-Methoxyphenyl)-2-(4-(m-tolyl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4-ol (CAS 1226427-52-6)
- 2-{[(4-methoxyphenyl)methyl]sulfanyl}-4-[(4-methoxyphenyl)sulfanyl]-6-[(methylsulfanyl)methyl]pyrimidine (CAS 303984-97-6)
Recommended Standards
- 3-[Benzyl-(2-methoxy-phenyl)-sulfamoyl]-4-chloro-benzoic acid (CAS 565166-97-4)
- (E)-3-(2-chlorophenyl)-N-(4-(N-(3,4-dimethylisoxazol-5-yl)sulfamoyl)phenyl)acrylamide (CAS 873307-19-8)
- N-[(1E)-{[(2-chloro-4-fluorophenyl)methoxy]imino}methyl]-2-(3,3-dimethyl-2-oxoazetidin-1-yl)-3-phenylpropanamide (CAS 338748-55-3)
- ((4-(2-Chlorophenoxy)phenyl)sulfonyl)phenylalanine (CAS 1009715-73-4)
- 2,5-Bis(chloromethyl)-p-xylene (CAS 6298-72-2)
- 6-(2-Fluorophenyl)-2-methylnicotinaldehyde (CAS 1447962-28-8)
- Piperazine-2-carboxylic Acid (CAS 2762-32-5)
- 2-Chloro-N-(2,2-dimethylthietan-3-yl)pyrimidin-4-amine (CAS 1866103-49-2)
- tert-Butyl 6-cyano-2-nitro-1H-indole-1-carboxylate (CAS 1881331-44-7)
- 1-Cyclopentylpiperidine (CAS 7335-04-8)
- 3-(Difluoromethyl)-5-(4-phenylpyrrolidin-3-yl)-1H-pyrazole (CAS 1452554-93-6)
- 5-(4-Fluorobenzyl)pyridin-2(1H)-one (CAS 863443-01-0)
- Benzimidazole (CAS 51-17-2)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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