| CAS No. | 866013-24-3 |
| Molecular Formula | C15H8ClNO6S |
| Molecular Weight | 365.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(4-Chlorobenzenesulfonyl)-6-nitro-2H-chromen-2-one.
3-(4-Chlorobenzenesulfonyl)-6-nitro-2H-chromen-2-one (CAS 866013-24-3) is a high-purity analytical reference standard with the molecular formula C15H8ClNO6S and a molecular weight of 365.75 g/mol.
Based on its molecular formula C15H8ClNO6S, 3-(4-Chlorobenzenesulfonyl)-6-nitro-2H-chromen-2-one contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 365.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-(4-Chlorobenzenesulfonyl)-6-nitro-2H-chromen-2-one 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.
| Molecular Formula | C15H8ClNO6S |
| Molecular Weight | 365.75 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |