1223748-49-9 5-chloro-4-(chloromethyl)thiophene-2-carboxylic acid 5-chloro-4-(chloromethyl)thiophene-2-carboxylicacid A11405 CAS 1223748-49-9
| CAS No. | 1223748-49-9 |
| Molecular Formula | C6H4Cl2O2S |
| Molecular Weight | 211.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 1223748-49-9 5-chloro-4-(chloromethyl)thiophene-2-carboxylic acid 5-chloro-4-(chloromethyl)thiophene-2-carboxylicacid A11405 (C6H4Cl2O2S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1223748-49-9 5-chloro-4-(chloromethyl)thiophene-2-carboxylic acid 5-chloro-4-(chloromethyl)thiophene-2-carboxylicacid A11405 (CAS 1223748-49-9) is a high-purity analytical reference standard with the molecular formula C6H4Cl2O2S and a molecular weight of 211.07 g/mol.
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), 1223748-49-9 5-chloro-4-(chloromethyl)thiophene-2-carboxylic acid 5-chloro-4-(chloromethyl)thiophene-2-carboxylicacid A11405 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 | C6H4Cl2O2S |
| Molecular Weight | 211.07 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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