| CAS No. | 54-28-4 |
| Molecular Formula | C28H48O2 |
| Molecular Weight | 416.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(+)-gamma-Tocopherol (CAS 54-28-4) is a high-purity analytical reference standard with the molecular formula C28H48O2 and a molecular weight of 416.68 g/mol.
Based on its molecular formula C28H48O2, (+)-gamma-Tocopherol contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 416.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), (+)-gamma-Tocopherol 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 | C28H48O2 |
| Molecular Weight | 416.68 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |