3-Bromo-4-(3-methyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide CAS 30279-51-7
| CAS No. | 30279-51-7 |
| Molecular Formula | C11H11BrN2O4S |
| Molecular Weight | 347.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 347.19 g/mol gives 3-Bromo-4-(3-methyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Bromo-4-(3-methyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide (CAS 30279-51-7) is a high-purity analytical reference standard with the molecular formula C11H11BrN2O4S and a molecular weight of 347.19 g/mol.
The molecular framework of 3-Bromo-4-(3-methyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide (C11H11BrN2O4S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 3-Bromo-4-(3-methyl-2,5-dioxopyrrolidin-1-yl)benzenesulfonamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H11BrN2O4S |
| Molecular Weight | 347.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-((4-(Dimethylamino)cyclohexyl)(ethyl)amino)acetic acid (CAS 1353961-49-5)
- 7-Oxa-1-azaspiro[4.4]nonane hemioxalate (CAS 1523571-97-2)
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- CAS 73834-52-3 (CAS 73834-52-3)
- Semaglutide (CAS CATO-C4X-2226105)
Why CATO?
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