| CAS No. | 173908-27-5 |
| Molecular Formula | C17H13ClN2O6S |
| Molecular Weight | 408.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 408.81 g/mol gives Ethyl 1-((5-chloro-2-nitrophenyl)sulfonyl)-1H-indole-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 1-((5-chloro-2-nitrophenyl)sulfonyl)-1H-indole-2-carboxylate (CAS 173908-27-5), molecular formula C17H13ClN2O6S and molecular weight 408.81 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H13ClN2O6S, Ethyl 1-((5-chloro-2-nitrophenyl)sulfonyl)-1H-indole-2-carboxylate 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 408.81 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.
CATO manufactures Ethyl 1-((5-chloro-2-nitrophenyl)sulfonyl)-1H-indole-2-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C17H13ClN2O6S |
| Molecular Weight | 408.81 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |