4-Bromo-5-methoxypyridine-2-sulfonyl chloride CAS 1807214-64-7
| CAS No. | 1807214-64-7 |
| Molecular Formula | C6H5BrClNO3S |
| Molecular Weight | 286.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Bromo-5-methoxypyridine-2-sulfonyl chloride (CAS 1807214-64-7), a certified reference material (molecular formula C6H5BrClNO3S, MW 286.53 g/mol) for analytical method development and quality control.
Structurally, 4-Bromo-5-methoxypyridine-2-sulfonyl chloride (C6H5BrClNO3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system. 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 286.53 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C6H5BrClNO3S |
| Molecular Weight | 286.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
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Recommended Standards
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- 2-(Piperidin-1-yl)-1H-benzo[d]imidazole (CAS 2851-12-9)
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- 4-(2,2-Dimethoxyethoxy)bromobenzene (CAS 129969-69-3)
- 4-(2-Isopropylphenyl)-5-(pyridin-3-yl)-4h-1,2,4-triazole-3-thiol (CAS 380442-88-6)
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- Methyl 2-(4-(prop-2-yn-1-yloxy)phenyl)acetate (CAS 258331-62-3)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
Why CATO?
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