| CAS No. | 2226905-19-5 |
| Molecular Formula | C16H20O4 |
| Molecular Weight | 276.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The molecular framework of 7-Methyl-5-oxo-2,3,4,5-tetrahydrobenzo[b]oxepin-8-yl pivalate (C16H20O4) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 7-Methyl-5-oxo-2,3,4,5-tetrahydrobenzo[b]oxepin-8-yl pivalate (CAS 2226905-19-5), a certified reference material (molecular formula C16H20O4, MW 276.33 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7-Methyl-5-oxo-2,3,4,5-tetrahydrobenzo[b]oxepin-8-yl pivalate 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.
| Molecular Formula | C16H20O4 |
| Molecular Weight | 276.33 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |