| CAS No. | 87872-85-3 |
| Molecular Formula | C21H23N5O6 |
| Molecular Weight | 441.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 441.44 g/mol gives N-(9-((2R,3R,4R,5R)-4-Hydroxy-5-(hydroxymethyl)-3-(((S)-tetrahydrofuran-2-yl)oxy)tetrahydrofuran-2-yl)-9H-purin-6-yl)benzamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies N-(9-((2R,3R,4R,5R)-4-Hydroxy-5-(hydroxymethyl)-3-(((S)-tetrahydrofuran-2-yl)oxy)tetrahydrofuran-2-yl)-9H-purin-6-yl)benzamide (CAS 87872-85-3), a certified reference material (molecular formula C21H23N5O6, MW 441.44 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H23N5O6, N-(9-((2R,3R,4R,5R)-4-Hydroxy-5-(hydroxymethyl)-3-(((S)-tetrahydrofuran-2-yl)oxy)tetrahydrofuran-2-yl)-9H-purin-6-yl)benzamide 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 441.44 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.
| Molecular Formula | C21H23N5O6 |
| Molecular Weight | 441.44 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 5 |