11-Methyl-8,14,16-trioxatetracyclo[8.6.0.0^{2,7}.0^{11,15}]hexadeca-1(10),2,4,6-tetraene-9,13-dione CAS 866157-77-9
| CAS No. | 866157-77-9 |
| Molecular Formula | C14H10O5 |
| Molecular Weight | 258.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 11-Methyl-8,14,16-trioxatetracyclo[8.6.0.0^{2,7}.0^{11,15}]hexadeca-1(10),2,4,6-tetraene-9,13-dione (C14H10O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 258.23 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
11-Methyl-8,14,16-trioxatetracyclo[8.6.0.0^{2,7}.0^{11,15}]hexadeca-1(10),2,4,6-tetraene-9,13-dione (CAS 866157-77-9), molecular formula C14H10O5 and molecular weight 258.23 g/mol, is a CATO reference standard with documented purity and traceability.
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), 11-Methyl-8,14,16-trioxatetracyclo[8.6.0.0^{2,7}.0^{11,15}]hexadeca-1(10),2,4,6-tetraene-9,13-dione 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 | C14H10O5 |
| Molecular Weight | 258.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
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