| CAS No. | 124216-70-2 |
| Molecular Formula | C21H33BN6O5 |
| Molecular Weight | 460.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies ((R)-1-((S)-1-((R)-2-Acetamido-3-phenylpropanoyl)pyrrolidine-2-carboxamido)-4-((diaminomethylene)amino)butyl)boronic acid (CAS 124216-70-2), a certified reference material (molecular formula C21H33BN6O5, MW 460.33 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H33BN6O5, ((R)-1-((S)-1-((R)-2-Acetamido-3-phenylpropanoyl)pyrrolidine-2-carboxamido)-4-((diaminomethylene)amino)butyl)boronic acid 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 460.33 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.
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.
| Molecular Formula | C21H33BN6O5 |
| Molecular Weight | 460.33 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 6 |