4-bromo-7-fluoro-1,3-benzoxazole CAS 1935979-40-0
| CAS No. | 1935979-40-0 |
| Molecular Formula | C7H11BrFNO |
| Molecular Weight | 224.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-bromo-7-fluoro-1,3-benzoxazole is closely related to an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-bromo-7-fluoro-1,3-benzoxazole (CAS 1935979-40-0), a certified reference material (molecular formula C7H11BrFNO, MW 224.07 g/mol) for analytical method development and quality control.
Structurally, 4-bromo-7-fluoro-1,3-benzoxazole (C7H11BrFNO) contains an amide group, a hydroxyl group, an ether linkage, fluorine/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 224.07 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.
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 4-bromo-7-fluoro-1,3-benzoxazole 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 | C7H11BrFNO |
| Molecular Weight | 224.07 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.) | 1996 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
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- 2-(1-Methyl-1H-pyrazol-4-yl)-2,7-diazaspiro[4.4]nonan-3-one (CAS 1422066-00-9)
- 2-Oxaspiro[4.4]Nonan-4-one (CAS 2387594-80-9)
- Methyl 2-amino-4-methoxy-5-methylbenzoate (CAS 2090127-26-5)
- n-{1-[4-(1h-1,2,4-triazol-1-yl)phenyl]ethyl}thieno[2,3-d]pyrimidin-4-amine (CAS 919871-20-8)
- 1-Benzyloxy-3-(4-bromo-3-chlorophenyl)urea (CAS 845879-19-8)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
Why CATO?
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