4-Bromo-N-propylbenzenesulfonamide CAS 3476-19-5
| CAS No. | 3476-19-5 |
| Molecular Formula | C9H12BrNO2S |
| Molecular Weight | 278.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Bromo-N-propylbenzenesulfonamide (C9H12BrNO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 278.17 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4-Bromo-N-propylbenzenesulfonamide (CAS 3476-19-5) is a high-purity analytical reference standard with the molecular formula C9H12BrNO2S and a molecular weight of 278.17 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Bromo-N-propylbenzenesulfonamide 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 | C9H12BrNO2S |
| Molecular Weight | 278.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 3-Bromo-N,N,5-trimethylbenzenesulfonamide (CAS 1020252-92-9)
- 5-Bromo-N-(3-methoxypropyl)thiophene-2-carboxamide (CAS 1089601-57-9)
- 2-Bromo-N,N,4-trimethylbenzenesulfonamide (CAS 1090574-82-5)
- 4-Bromo-n-ethyl-3-methylbenzene-1-sulfonamide (CAS 1094563-49-1)
- 3-Bromo-N-(1-methoxypropan-2-yl)thiophene-2-carboxamide (CAS 1197665-44-3)
- 5-Bromo-N,2,4-trimethylbenzene-1-sulfonamide (CAS 1206093-35-7)
- 5-bromo-2-(2-methylpropane-2-sulfonyl)pyridine (CAS 123792-44-9)
- 3-Bromo-4-(propylsulfonyl)aniline (CAS 1249101-27-6)
Recommended Standards
- 4-Bromo-N-isopropylbenzenesulfonamide (CAS 1984-27-6)
- 4-Oxo-4-((4,4,5,5,5-pentafluoropentyl)oxy)butanoic acid (CAS 303133-80-4)
- 4-Bromo-N,N,3-trimethylbenzenesulfonamide (CAS 849532-31-6)
- 5-Bromo-N,N,2-trimethylbenzenesulfonamide (CAS 473477-02-0)
- 4-Propoxypyridine (CAS 75124-98-0)
- tert-Butyl 3-formylbenzyl(methyl)carbamate (CAS 1823500-78-2)
- 1-(1h-Indol-7-yl)ethan-1-one (CAS 104019-20-7)
- 3-[6-(4-Methylpiperazin-1-yl)pyridazin-3-yl]aniline (CAS 1017168-52-3)
- 2-(Difluoromethyl)-3-fluoropyridin-4-amine hydrochloride (CAS 1803125-74-7)
- 2-[(E)-[(3,4-Dimethoxyphenyl)methylidene]amino]-5-phenylfuran-3-carbonitrile (CAS 478033-35-1)
- Imipramine impurity C (CAS 2307-88-2)
- 1-(1-Bromoethyl)-2-(difluoromethoxy)benzene (CAS 1094272-74-8)
- Fluvastatin Sodium - Impurity F (CAS 2118370-50-4)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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