Benzo[b]thiophene-4-carboxamide CAS 17347-35-2
| CAS No. | 17347-35-2 |
| Molecular Formula | C9H7NOS |
| Molecular Weight | 177.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Benzo[b]thiophene-4-carboxamide (CAS 17347-35-2), molecular formula C9H7NOS and molecular weight 177.22 g/mol, is a CATO reference standard with documented purity and traceability.
Benzo[b]thiophene-4-carboxamide (C9H7NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), Benzo[b]thiophene-4-carboxamide 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 | C9H7NOS |
| Molecular Weight | 177.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-(Aminomethyl)-6-chloro-5-(difluoromethyl)pyridine-3-methanol (CAS 1804853-86-8)
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- 7-Hydroxy-2-naphthaldehyde (CAS 343791-85-5)
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- 1287217-71-3 3-(3-Bromophenyl)oxirane-2-carboxylic acid (CAS 1287217-71-3)
- 5-(Furan-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carbonyl chloride (CAS 848422-53-7)
- (E)-N-(4-Chlorophenyl)-N'-ethylpyridine-3-carboximidamide (CAS 338408-46-1)
- 6,7-Dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile (CAS 108994-73-6)
- 2-Chloro-3-ethyl-4-fluorobenzonitrile (CAS 924626-73-3)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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