Methyl 4-bromo-2-(3-chlorophenoxy)thiazole-5-carboxylate CAS 1000577-46-7
| CAS No. | 1000577-46-7 |
| Molecular Formula | C11H7BrClNO3S |
| Molecular Weight | 348.60 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.
Methyl 4-bromo-2-(3-chlorophenoxy)thiazole-5-carboxylate (CAS 1000577-46-7), molecular formula C11H7BrClNO3S and molecular weight 348.60 g/mol, is a CATO reference standard with documented purity and traceability.
Methyl 4-bromo-2-(3-chlorophenoxy)thiazole-5-carboxylate (C11H7BrClNO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H7BrClNO3S |
| Molecular Weight | 348.60 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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