72263-05-9 Conglobatin 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 8,16-bis(5-oxazolylmethyl)-3,5,7,11,13,15-hexamethyl-, (5R-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 3,5,7,11,13,15-hexamethyl-8,16-bis(5-oxazolylmethyl)-, (5S-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- BRN 5321648 CAS 72263-05-9
| CAS No. | 72263-05-9 |
| Molecular Formula | C28H38N2O6 |
| Molecular Weight | 498.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 72263-05-9 Conglobatin 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 8,16-bis(5-oxazolylmethyl)-3,5,7,11,13,15-hexamethyl-, (5R-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 3,5,7,11,13,15-hexamethyl-8,16-bis(5-oxazolylmethyl)-, (5S-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- BRN 5321648 is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
72263-05-9 Conglobatin 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 8,16-bis(5-oxazolylmethyl)-3,5,7,11,13,15-hexamethyl-, (5R-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 3,5,7,11,13,15-hexamethyl-8,16-bis(5-oxazolylmethyl)-, (5S-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- BRN 5321648 (CAS 72263-05-9) is a high-purity analytical reference standard with the molecular formula C28H38N2O6 and a molecular weight of 498.61 g/mol.
Based on its molecular formula C28H38N2O6, 72263-05-9 Conglobatin 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 8,16-bis(5-oxazolylmethyl)-3,5,7,11,13,15-hexamethyl-, (5R-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 3,5,7,11,13,15-hexamethyl-8,16-bis(5-oxazolylmethyl)-, (5S-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- BRN 5321648 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 498.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 72263-05-9 Conglobatin 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 8,16-bis(5-oxazolylmethyl)-3,5,7,11,13,15-hexamethyl-, (5R-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- 1,9-Dioxacyclohexadeca-3,11-diene-2,10-dione, 3,5,7,11,13,15-hexamethyl-8,16-bis(5-oxazolylmethyl)-, (5S-(3E,5R*,7S*,8S*,11E,13R*,15S*,16S*))- BRN 5321648 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 | C28H38N2O6 |
| Molecular Weight | 498.61 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
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