| CAS No. | 339114-59-9 |
| Molecular Formula | C18H15NO3S |
| Molecular Weight | 325.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of Ethyl 3-({[3-oxo-2-benzothiophen-1(3H)-yliden]methyl}amino)benzenecarboxylate is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 3-({[3-oxo-2-benzothiophen-1(3H)-yliden]methyl}amino)benzenecarboxylate (CAS 339114-59-9), molecular formula C18H15NO3S and molecular weight 325.38 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl 3-({[3-oxo-2-benzothiophen-1(3H)-yliden]methyl}amino)benzenecarboxylate (C18H15NO3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures Ethyl 3-({[3-oxo-2-benzothiophen-1(3H)-yliden]methyl}amino)benzenecarboxylate 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 | C18H15NO3S |
| Molecular Weight | 325.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |