4-((Thiophen-2-ylmethylene)amino)phenyl 2-chlorobenzoate CAS 331460-56-1
| CAS No. | 331460-56-1 |
| Molecular Formula | C18H12ClNO2S |
| Molecular Weight | 341.81 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.
CATO supplies 4-((Thiophen-2-ylmethylene)amino)phenyl 2-chlorobenzoate (CAS 331460-56-1), a certified reference material (molecular formula C18H12ClNO2S, MW 341.81 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H12ClNO2S, 4-((Thiophen-2-ylmethylene)amino)phenyl 2-chlorobenzoate 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 341.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 4-((Thiophen-2-ylmethylene)amino)phenyl 2-chlorobenzoate 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 | C18H12ClNO2S |
| Molecular Weight | 341.81 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; 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- 1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-2-carboxylic acid (CAS 1029106-99-7)
- 1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-3-carboxylic acid (CAS 912770-75-3)
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- 2-(3-Methyl-6-(thiophen-2-yl)-4-(trifluoromethyl)-1h-pyrazolo[3,4-b]pyridin-1-yl)acetic acid (CAS 937605-82-8)
- Ethyl 5-(thiophen-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 333762-01-9)
- N-((5-(Thiophen-2-yl)isoxazol-3-yl)methyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 1210357-44-0)
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Recommended Standards
- 2-(4-Chlorophenyl)-6-mercapto-4-oxo-1-phenyl-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 497868-19-6)
- 4-Chloro-N-((1,5-dimethyl-1H-pyrrol-2-yl)methyl)-3-sulfamoylbenzamide (CAS 793731-95-0)
- 10-(4-Chlorophenyl)-10H-phenothiazine5,5-dioxide (CAS 2305615-54-5)
- 5-((3-Chlorobenzyl)thio)imidazo[1,2-c]quinazolin-2(3H)-one (CAS 477889-49-9)
- 1-(bromomethyl)-1-fluorocyclopentane (CAS 1462885-73-9)
- 1-Cyano-N-(2-(diethylamino)-2-oxoethyl)cyclopentane-1-carboxamide (CAS 1252327-97-1)
- trans-3-(dimethylamino)cyclobutan-1-ol (CAS 905821-42-3)
- 2-(4-Methoxybenzyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1352524-58-3)
- 2-(Difluoromethyl)-5-hydroxy-4-(trifluoromethyl)pyridine-3-acetic acid (CAS 1807129-33-4)
- 5-Bromo-1-chloro-8-fluoroisoquinoline (CAS 1501083-37-9)
- 6-Bromo-4-methoxyindoline (CAS 1000342-58-4)
- Methyl 1,3-dimethyl-6-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1172246-10-4)
- 5-(Pyridin-2-yl)-1,3-thiazol-2-amine (CAS 1215073-56-5)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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