5-(2-chloroacetyl)-N,N-dimethylthiophene-3-carboxamide CAS 1221725-74-1
| CAS No. | 1221725-74-1 |
| Molecular Formula | C9H10ClNO2S |
| Molecular Weight | 231.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(2-chloroacetyl)-N,N-dimethylthiophene-3-carboxamide (C9H10ClNO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; 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.
5-(2-chloroacetyl)-N,N-dimethylthiophene-3-carboxamide (CAS 1221725-74-1), molecular formula C9H10ClNO2S and molecular weight 231.70 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5-(2-chloroacetyl)-N,N-dimethylthiophene-3-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 | C9H10ClNO2S |
| Molecular Weight | 231.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related chloroacetyl Standards
- n-{[5-(2-chloroacetyl)thiophen-2-yl]methyl}acetamide (CAS 104082-15-7)
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- 4-(2-Chloroacetyl)-5-nitro-1h-pyrrole-2-carboxylic acid (CAS 1421603-65-7)
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- N-(1-(2-Chloroacetyl)pyrrolidin-3-yl)-N-ethylacetamide (CAS 1353973-49-5)
- N-((1-(2-chloroacetyl)piperidin-4-yl)methyl)acetamide (CAS 1353976-45-0)
- N-((1-(2-Chloroacetyl)pyrrolidin-3-yl)methyl)-N-methylacetamide (CAS 1353976-56-3)
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