| CAS No. | 138833-46-2 |
| Molecular Formula | C38H48O5 |
| Molecular Weight | 584.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Octadecyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoate.
CATO supplies Octadecyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoate (CAS 138833-46-2), a certified reference material (molecular formula C38H48O5, MW 584.78 g/mol) for analytical method development and quality control.
Based on its molecular formula C38H48O5, Octadecyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoate contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 584.78 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), Octadecyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoate 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 | C38H48O5 |
| Molecular Weight | 584.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |