2-(2-Fluorobenzamido)thiophene-3-carboxamide CAS 773140-09-3
| CAS No. | 773140-09-3 |
| Molecular Formula | C12H9FN2O2S |
| Molecular Weight | 264.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-Fluorobenzamido)thiophene-3-carboxamide (CAS 773140-09-3) is a high-purity analytical reference standard with the molecular formula C12H9FN2O2S and a molecular weight of 264.28 g/mol.
Based on its molecular formula C12H9FN2O2S, 2-(2-Fluorobenzamido)thiophene-3-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 2-(2-Fluorobenzamido)thiophene-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 | C12H9FN2O2S |
| Molecular Weight | 264.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fluorobenzamido Standards
- 2-(4-Fluorobenzamido)thiophene-3-carboxamide (CAS 921055-16-5)
- 1-(2-Fluorobenzamido)cyclohexane-1-carboxylic acid (CAS 912771-23-4)
- 1-(3-Fluorobenzamido)cyclohexane-1-carboxylic acid (CAS 912771-16-5)
- 2-(2-Fluorobenzamido)benzoic acid (CAS 18600-60-7)
- 2-(4-Fluorobenzamido)benzoic acid (CAS 18600-61-8)
- 3-(4-Fluorobenzamido)benzoic acid (CAS 331973-10-5)
- 4-(2-Fluorobenzamido)benzoic acid (CAS 300713-78-4)
- 4-(4-Fluorobenzamido)benzoic acid (CAS 54057-46-4)
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- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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