| CAS No. | 1159908-19-6 |
| Molecular Formula | C21H25ClN2O4S |
| Molecular Weight | 436.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 436.95 g/mol gives 2-Chloro-N-((3S,4S)-4-hydroxy-1-tosylpyrrolidin-3-yl)-N-((R)-1-phenylethyl)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Chloro-N-((3S,4S)-4-hydroxy-1-tosylpyrrolidin-3-yl)-N-((R)-1-phenylethyl)acetamide (CAS 1159908-19-6) is a high-purity analytical reference standard with the molecular formula C21H25ClN2O4S and a molecular weight of 436.95 g/mol.
Structurally, 2-Chloro-N-((3S,4S)-4-hydroxy-1-tosylpyrrolidin-3-yl)-N-((R)-1-phenylethyl)acetamide (C21H25ClN2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 436.95 g/mol, it falls into the moderately-high-molecular-weight range. 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.
| Molecular Formula | C21H25ClN2O4S |
| Molecular Weight | 436.95 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |