| CAS No. | 1326808-63-2 |
| Molecular Formula | C22H24N2O4 |
| Molecular Weight | 380.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-{[1,1'-Biphenyl]-4-carbonyl}-8-methyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (C22H24N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-{[1,1'-Biphenyl]-4-carbonyl}-8-methyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326808-63-2) is a high-purity analytical reference standard with the molecular formula C22H24N2O4 and a molecular weight of 380.44 g/mol.
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), 4-{[1,1'-Biphenyl]-4-carbonyl}-8-methyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid 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 | C22H24N2O4 |
| Molecular Weight | 380.44 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 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |