3-(2,6-Dichlorobenzamido)thiophene-2-carboxylic acid CAS 866152-20-7
| CAS No. | 866152-20-7 |
| Molecular Formula | C12H7Cl2NO3S |
| Molecular Weight | 316.16 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.
3-(2,6-Dichlorobenzamido)thiophene-2-carboxylic acid (CAS 866152-20-7), molecular formula C12H7Cl2NO3S and molecular weight 316.16 g/mol, is a CATO reference standard with documented purity and traceability.
3-(2,6-Dichlorobenzamido)thiophene-2-carboxylic acid (C12H7Cl2NO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, 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.
As a certified reference material (CRM), 3-(2,6-Dichlorobenzamido)thiophene-2-carboxylic acid 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 | C12H7Cl2NO3S |
| Molecular Weight | 316.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichlorobenzamido Standards
- 1-(2,6-Dichlorobenzamido)cyclohexane-1-carboxylic acid (CAS 912763-73-6)
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- 2-(2,5-Dichlorobenzamido)-5-methylbenzoic acid (CAS 1036516-96-7)
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- 4-(3,4-Dichlorobenzamido)-2-hydroxybenzoic acid (CAS 899299-08-2)
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