2-Chloro-N-(3-cyano-5-(4-ethoxystyryl)-7,7-dimethyl-6,7-dihydrobenzo[b]thiophen-2-yl)acetamide CAS 733044-91-2
| CAS No. | 733044-91-2 |
| Molecular Formula | C23H23ClN2O2S |
| Molecular Weight | 426.96 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 2-Chloro-N-(3-cyano-5-(4-ethoxystyryl)-7,7-dimethyl-6,7-dihydrobenzo[b]thiophen-2-yl)acetamide.
2-Chloro-N-(3-cyano-5-(4-ethoxystyryl)-7,7-dimethyl-6,7-dihydrobenzo[b]thiophen-2-yl)acetamide (CAS 733044-91-2), molecular formula C23H23ClN2O2S and molecular weight 426.96 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H23ClN2O2S, 2-Chloro-N-(3-cyano-5-(4-ethoxystyryl)-7,7-dimethyl-6,7-dihydrobenzo[b]thiophen-2-yl)acetamide contains a steroid 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 426.96 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2-Chloro-N-(3-cyano-5-(4-ethoxystyryl)-7,7-dimethyl-6,7-dihydrobenzo[b]thiophen-2-yl)acetamide 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 | C23H23ClN2O2S |
| Molecular Weight | 426.96 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-((1-Benzyl-5-chloro-1H-benzo[d]imidazol-2-yl)thio)-N-(2-cyano-3-methylbutan-2-yl)acetamide (CAS 765283-00-9)
- 2-Chloro-5-phenyl-9,9'-spirobi[fluorene] (CAS 2271227-64-4)
- 5-Chloro-N-(2-((4-methoxybenzyl)amino)-2-oxo-1-phenylethyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide (CAS 1022903-79-2)
- 3-{1-[2-(4-chloro-2-methylphenoxy)acetyl]piperidin-4-yl}-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775338-44-7)
- 3-[1-(5-Chloro-2-methoxybenzoyl)piperidin-4-yl]-4-(4-methylphenyl)-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775513-33-1)
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- N-(2-chloro-4-fluorophenyl)-2-((2-(3,4-dihydroisoquinolin-2(1H)-yl)-6-methylpyrimidin-4-yl)oxy)acetamide (CAS 1251551-06-0)
Recommended Standards
- 2-((5-(4-Chlorophenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-cyclohexylacetamide (CAS 309266-55-5)
- N-(3-Chlorophenyl)-2-((5-cyclohexyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332870-47-0)
- N-(4-Chlorophenyl)-2-((5-cyclohexyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332872-76-1)
- 1-Benzhydryl-4-((4-chlorophenyl)sulfonyl)piperazine (CAS 312282-53-4)
- 2-Methyl-3-(pyrrolidin-1-yl)aniline (CAS 915921-42-5)
- 2,6-dimethyl-N-(prop-2-yn-1-yl)aniline (CAS 74248-48-9)
- 2-(Methylthio)-N-(2-morpholino-5-(trifluoromethyl)phenyl)nicotinamide (CAS 782467-98-5)
- 2-({1-[(2,2-difluoro-2H-1,3-benzodioxol-5-yl)methyl]-2-oxo-1,2-dihydropyridin-3-yl}formamido)-2,3-dimethylbutanamide (CAS 956181-54-7)
- 3-bromo-1-(1-methyl-1H-pyrazol-3-yl)pyrrolidin-2-one (CAS 1315367-41-9)
- 6-(2-trimethylsilylethynyl)pyridine-3-carboxylic acid (CAS 2090142-30-4)
- Ezetimibe Impurity 147 (3R,4R) (CAS CATO-C4X-1098147)
- Baricitinib Impurity N3 (CAS 136823-41-1)
- BENZYL ((5-METHYLAZEPAN-4-YL)METHYL)CARBAMATE (CAS 1823270-12-7)
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