N-(5-bromopyrazin-2-yl)-4-methylbenzene-1-sulfonamide CAS 767342-42-7
| CAS No. | 767342-42-7 |
| Molecular Formula | C11H22BrN3O2S |
| Molecular Weight | 340.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, N-(5-bromopyrazin-2-yl)-4-methylbenzene-1-sulfonamide is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 340.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
N-(5-bromopyrazin-2-yl)-4-methylbenzene-1-sulfonamide (CAS 767342-42-7), molecular formula C11H22BrN3O2S and molecular weight 340.28 g/mol, is a CATO reference standard with documented purity and traceability.
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 N-(5-bromopyrazin-2-yl)-4-methylbenzene-1-sulfonamide 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 | C11H22BrN3O2S |
| Molecular Weight | 340.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 5-Isopropyl-3-methyl-2-(methylthio)pyrazine (CAS 99784-22-2)
- 5-(Cyclopenta-1,3-dien-1-yl)imidazolidine-2,4-dione (CAS 875827-06-8)
- 1-Methyl-4-(2-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)ethyl)piperazine (CAS 2246691-45-0)
- 1-((3,5-Dimethylbenzyl)amino)-2-methylpropan-2-ol (CAS 1496746-08-7)
- 1-[(2-Bromo-3-fluorophenyl)methyl]pyrrolidin-2-one (CAS 1516266-56-0)
- 1-Boc-5,5-difluoro-3-(hydroxymethyl)piperidine (CAS 1262412-64-5)
- Ornidazole Impurity 54 (CAS CATO-C4X-133154)
- Ethyl (4-(1,1-dioxidoisothiazolidin-2-yl)phenyl)carbamate (CAS 941974-69-2)
- 5-((2-Methylpiperazin-1-yl)methyl)thiazole hydrochloride (CAS 1261231-76-8)
- [Tyr0] Fibrinopeptide A, human (CAS 103226-11-5)
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