| CAS No. | 1000930-52-8 |
| Molecular Formula | C21H19ClFN3O3S |
| Molecular Weight | 447.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 4-Chloro-n-[(4-fluorophenyl)methyl]-n-{[4-(hydrazinecarbonyl)phenyl]methyl}benzene-1-sulfonamide is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Chloro-n-[(4-fluorophenyl)methyl]-n-{[4-(hydrazinecarbonyl)phenyl]methyl}benzene-1-sulfonamide (CAS 1000930-52-8), molecular formula C21H19ClFN3O3S and molecular weight 447.91 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H19ClFN3O3S, 4-Chloro-n-[(4-fluorophenyl)methyl]-n-{[4-(hydrazinecarbonyl)phenyl]methyl}benzene-1-sulfonamide contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 447.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C21H19ClFN3O3S |
| Molecular Weight | 447.91 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |