3,6-Dichloro-N-(m-tolyl)benzo[b]thiophene-2-carboxamide CAS 332156-77-1
| CAS No. | 332156-77-1 |
| Molecular Formula | C16H11Cl2NOS |
| Molecular Weight | 336.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,6-Dichloro-N-(m-tolyl)benzo[b]thiophene-2-carboxamide (CAS 332156-77-1) is a high-purity analytical reference standard with the molecular formula C16H11Cl2NOS and a molecular weight of 336.24 g/mol.
Based on its molecular formula C16H11Cl2NOS, 3,6-Dichloro-N-(m-tolyl)benzo[b]thiophene-2-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 336.24 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3,6-Dichloro-N-(m-tolyl)benzo[b]thiophene-2-carboxamide 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.
Physical & Chemical Properties
| Molecular Formula | C16H11Cl2NOS |
| Molecular Weight | 336.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
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Recommended Standards
- 3-(4-Chlorophenyl)-5-{[(3-chlorophenyl)sulfanyl]methyl}-1,2-oxazole (CAS 551921-25-6)
- 3-(4-Chlorophenyl)-5-(((4-chlorophenyl)thio)methyl)-1H-1,2,4-triazole (CAS 338395-90-7)
- 3-Chloro-N-(3-chlorophenyl)-6-methylbenzo[b]thiophene-2-carboxamide (CAS 332382-25-9)
- 3-(2,6-Dichlorophenyl)-4-((phenylthio)methylene)-4,5-dihydroisoxazole (CAS 88096-98-4)
- (5-Hydroxy-1-benzofuran-3-yl)(pyridin-2-yl)methanone (CAS 953423-73-9)
- 6,6-difluorospiro[2.5]octane-2-carbaldehyde (CAS 2287282-06-6)
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Why CATO?
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