| CAS No. | 138906-41-9 |
| Molecular Formula | C27H27NO11 |
| Molecular Weight | 541.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
4-Methoxyphenyl 3-4-6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranoside (CAS 138906-41-9), molecular formula C27H27NO11 and molecular weight 541.50 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C27H27NO11, 4-Methoxyphenyl 3-4-6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranoside contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 541.50 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.
| Molecular Formula | C27H27NO11 |
| Molecular Weight | 541.50 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 |
| Nitrogen Atoms | 1 |