439607-87-1 5-Bromo-2(3H)-benzoxazolethione 5-Bromobenzoxazole-2-thiol CAS 439607-87-1
| CAS No. | 439607-87-1 |
| Molecular Formula | C7H12BrNOS |
| Molecular Weight | 238.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 238.15 g/mol gives 439607-87-1 5-Bromo-2(3H)-benzoxazolethione 5-Bromobenzoxazole-2-thiol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
439607-87-1 5-Bromo-2(3H)-benzoxazolethione 5-Bromobenzoxazole-2-thiol (CAS 439607-87-1), molecular formula C7H12BrNOS and molecular weight 238.15 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 439607-87-1 5-Bromo-2(3H)-benzoxazolethione 5-Bromobenzoxazole-2-thiol (C7H12BrNOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 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 238.15 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 439607-87-1 5-Bromo-2(3H)-benzoxazolethione 5-Bromobenzoxazole-2-thiol 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 | C7H12BrNOS |
| Molecular Weight | 238.15 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.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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