Ethyl 3-(N-(5-chloro-2-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate CAS 932303-46-3
| CAS No. | 932303-46-3 |
| Molecular Formula | C18H16ClNO4S2 |
| Molecular Weight | 409.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 3-(N-(5-chloro-2-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate.
CATO supplies Ethyl 3-(N-(5-chloro-2-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate (CAS 932303-46-3), a certified reference material (molecular formula C18H16ClNO4S2, MW 409.91 g/mol) for analytical method development and quality control.
Ethyl 3-(N-(5-chloro-2-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate (C18H16ClNO4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), Ethyl 3-(N-(5-chloro-2-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C18H16ClNO4S2 |
| Molecular Weight | 409.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Recommended Standards
- Ethyl 3-(N-(3-chloro-2-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate (CAS 932520-07-5)
- N-(4-Chloro-2-phenoxyphenyl)-N-[[2-(1-methylethoxy)phenyl]methyl]-acetamide (CAS 220551-79-1)
- 4-Chloro-N-(2-cyano-5-((cyanomethyl)thio)-4-phenylthiophen-3-yl)benzamide (CAS 860609-96-7)
- Prucalopride Impurity 24 (CAS 2181480-01-1)
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- 5-Bromo-1,2,3,4-tetrahydro-1,7-naphthyridine hydrochloride (CAS 1432064-93-1)
- tert-Butyl (4-(isoquinolin-5-ylamino)butyl)carbamate (CAS 651309-92-1)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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