(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 17042-32-9
| CAS No. | 17042-32-9 |
| Molecular Formula | C20H22N2O14 |
| Molecular Weight | 514.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 17042-32-9), a certified reference material (molecular formula C20H22N2O14, MW 514.39 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H22N2O14, (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 514.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
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 | C20H22N2O14 |
| Molecular Weight | 514.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 2 |
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