N-(4-Bromo-2-formylphenyl)-4-methylbenzenesulfonamide CAS 34159-05-2
| CAS No. | 34159-05-2 |
| Molecular Formula | C14H12BrNO3S |
| Molecular Weight | 354.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies N-(4-Bromo-2-formylphenyl)-4-methylbenzenesulfonamide (CAS 34159-05-2), a certified reference material (molecular formula C14H12BrNO3S, MW 354.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C14H12BrNO3S, N-(4-Bromo-2-formylphenyl)-4-methylbenzenesulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 354.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C14H12BrNO3S |
| Molecular Weight | 354.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related N Standards
- Methyl 3-(4-bromo-N-methylbenzamido)thiophene-2-carboxylate (CAS 1033463-43-2)
- Ethyl 8-bromo-4,5-dihydrobenzo[2,3]oxepino[4,5-d]thiazole-2-carboxylate (CAS 1189815-92-6)
- ETHYL 9-BROMO-4,5-DIHYDROBENZO[2,3]OXEPINO[4,5-D]THIAZOLE-2-CARBOXYLATE (CAS 1189817-31-9)
- Benzyl (5-bromo-2-(methylthio)pyrimidin-4-yl)carbamate (CAS 1820664-83-2)
- 2-Bromo-7-(dimethoxy(pyridin-3-yl)methyl)imidazo[5,1-b]thiazole (CAS 713107-52-9)
- Methyl 5-bromo-2-(2-(thiophen-2-yl)acetamido)benzoate (CAS 924134-98-5)
- N-(3-Bromo-5-fluorobenzyl)-1-(2,4-dimethoxyphenyl)methanamin (CAS 1466208-21-8)
- 1-((2-Bromo-4,5-difluorophenyl)sulfonyl)-4-methylpiperidine (CAS 1704067-51-5)
Recommended Standards
- N-(3-acetylphenyl)-4-bromobenzenesulfonamide (CAS 76883-64-2)
- N-(4-Bromophenyl)-2-(3-oxo-2,3,5,6-tetrahydroimidazo[2,1-b]thiazol-2-yl)acetamide (CAS 496011-33-7)
- N-(2-acetylphenyl)-4-bromobenzenesulfonamide (CAS 303152-39-8)
- (3-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol (CAS 1083326-71-9)
- 4-Chloro-2-(trifluoromethyl)aniline hydrochloride (CAS 648415-76-3)
- 2-(tert-Butyl)-3-hydroxy-6-(trifluoromethyl)isoindolin-1-one (CAS 1242336-60-2)
- (S)-2-Amino-4-oxopentanedioic acid (CAS 28283-33-2)
- Fmoc-3-fluoro-DL-valine (CAS 1219144-82-7)
- 4-Bromo-2-fluoro-1-(trifluoromethoxy)benzene (CAS 105529-58-6)
- ((2R,3R,4S,5R)-3-(Benzoyloxy)-5-(4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-4-fluorotetrahydrofuran-2-yl)methyl benzoate (CAS 169516-55-6)
- 2-(3-Fluorophenyl)pyrimidin-4-ol (CAS 76128-78-4)
- 1-(2-Aminobenzo[d]thiazol-5-yl)ethanone (CAS 1313911-19-1)
- 3-Amino-4-(3,4-dimethoxyphenyl)-N-(2,5-dimethylphenyl)-6-(p-tolyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 332100-81-9)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com