6-Bromo-3-tritylbenzo[d]oxazol-2(3H)-one CAS 312537-44-3
| CAS No. | 312537-44-3 |
| Molecular Formula | C26H18BrNO2 |
| Molecular Weight | 456.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Bromo-3-tritylbenzo[d]oxazol-2(3H)-one 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.
6-Bromo-3-tritylbenzo[d]oxazol-2(3H)-one (CAS 312537-44-3) is a high-purity analytical reference standard with the molecular formula C26H18BrNO2 and a molecular weight of 456.33 g/mol.
Structurally, 6-Bromo-3-tritylbenzo[d]oxazol-2(3H)-one (C26H18BrNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 456.33 g/mol, it falls into the moderately-high-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.
Physical & Chemical Properties
| Molecular Formula | C26H18BrNO2 |
| Molecular Weight | 456.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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- N-(2,4-Difluorobenzyl)-2'-((2-(4-methoxyphenyl)acetamido)methyl)-[1,1'-biphenyl]-2-carboxamide (CAS 498577-46-1)
- 2,5-Bis(trifluoromethyl)-1,4-dichlorobenzene (CAS 320-55-8)
- 6-Formylbenzo[d]oxazole-2-sulfonamide (CAS 1806571-52-7)
- 4,5-Dichloro-2-[(2Z)-2-(4-chlorophenyl)-2-(methoxyimino)ethyl]-2,3-dihydropyridazin-3-one (CAS 477855-41-7)
- 2,2-Difluoro-5-(hydroxymethyl)-1,3-benzodioxole (CAS 72768-97-9)
- 2-Pyridin-4-yl-6-pyrrolidin-3-yl-pyrimidin-4-ol dihydrochloride (CAS 1361116-69-9)
- Ceftolozane Impurity 30 (CAS CATO-C4X-240630)
- (Des-Gly2)-Exenatide trifluoroacetate salt (CAS 1678416-78-8)
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