(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 77516-86-0
| CAS No. | 77516-86-0 |
| Molecular Formula | C20H22N2O14 |
| Molecular Weight | 514.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 514.39 g/mol gives (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 77516-86-0) is a high-purity analytical reference standard with the molecular formula C20H22N2O14 and a molecular weight of 514.39 g/mol.
Based on its molecular formula C20H22N2O14, (2R,3R,4S,5R,6R)-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. 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).
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), (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 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.
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.) | 1979 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4,4'-Bis-{[(trifluoromethyl)sulphonyl]oxy}diphenyl sulphone (CAS 17763-90-5)
- 2,4-Dinitrophenyl β-D-Galactoside Tetraacetate (CAS 25775-99-9)
- (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 17042-32-9)
- Ethyl 4-(3-((2,4-dichlorophenyl)sulfonamido)phenoxy)-2-(methylthio)pyrimidine-5-carboxylate (CAS 478065-36-0)
- 2-Ethylbenzothiazole (CAS 936-77-6)
- 4-[3-(4-Fluorophenyl)acryloyl]phenyl methanesulfonate (CAS 331460-76-5)
- tert-butyl 2-methyl-6-(trifluoromethylsulfonyloxy)-3,4-dihydro-2H-pyridine-1-carboxylate (CAS 2883422-06-6)
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