2-O-(p-Nitrophenyl)-4,7,8,9-tetra-O-acetyl-α-D-N-acetylglycolylneuraminic Acid Methyl Ester CAS 1000890-49-2
| CAS No. | 1000890-49-2 |
| Molecular Formula | C28H34N2O17 |
| Molecular Weight | 670.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-O-(p-Nitrophenyl)-4,7,8,9-tetra-O-acetyl-α-D-N-acetylglycolylneuraminic Acid Methyl Ester is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-O-(p-Nitrophenyl)-4,7,8,9-tetra-O-acetyl-α-D-N-acetylglycolylneuraminic Acid Methyl Ester (CAS 1000890-49-2), molecular formula C28H34N2O17 and molecular weight 670.57 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2-O-(p-Nitrophenyl)-4,7,8,9-tetra-O-acetyl-α-D-N-acetylglycolylneuraminic Acid Methyl Ester (C28H34N2O17) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C28H34N2O17 |
| Molecular Weight | 670.57 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
Recommended Standards
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