2-Chloro-N-(2,3-dihydro-1,1-dioxido-3-thienyl)-N-(4-methoxyphenyl)acetamide CAS 1285436-65-8
| CAS No. | 1285436-65-8 |
| Molecular Formula | C13H14ClNO4S |
| Molecular Weight | 315.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 2-Chloro-N-(2,3-dihydro-1,1-dioxido-3-thienyl)-N-(4-methoxyphenyl)acetamide (CAS 1285436-65-8), a certified reference material (molecular formula C13H14ClNO4S, MW 315.77 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H14ClNO4S, 2-Chloro-N-(2,3-dihydro-1,1-dioxido-3-thienyl)-N-(4-methoxyphenyl)acetamide contains a nitrogen-containing heterocyclic scaffold, 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 315.77 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).
As a certified reference material (CRM), 2-Chloro-N-(2,3-dihydro-1,1-dioxido-3-thienyl)-N-(4-methoxyphenyl)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 | C13H14ClNO4S |
| Molecular Weight | 315.77 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Piperidin-4-yl-pyridin-4-yl-amine x 2 HCl (CAS 181258-50-4)
- 2-Fluoro-N-methyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 2222333-26-6)
- 3,4-Dichloro-3-phenylpropiophenone (CAS 49747-54-8)
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- Semaglutide Impurity 130 (CAS 1188328-40-6)
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