2-bromo-4-methyl-1,3-oxazole hydrochloride CAS 1803603-56-6
| CAS No. | 1803603-56-6 |
| Molecular Formula | C4H4BrNO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 2-bromo-4-methyl-1,3-oxazole hydrochloride (CAS 1803603-56-6), a certified reference material (molecular formula C4H4BrNOHCl, MW 198.44 g/mol) for analytical method development and quality control.
Structurally, 2-bromo-4-methyl-1,3-oxazole hydrochloride (C4H4BrNOHCl) contains an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 198.44 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.
As a certified reference material (CRM), 2-bromo-4-methyl-1,3-oxazole hydrochloride 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 | C4H4BrNO HCl |
| Molecular Weight | 198.44 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
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