5-Formylthiophene-2-carboxamide CAS 59786-37-7
| CAS No. | 59786-37-7 |
| Molecular Formula | C6H5NO2S |
| Molecular Weight | 155.17 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.
5-Formylthiophene-2-carboxamide (CAS 59786-37-7), molecular formula C6H5NO2S and molecular weight 155.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H5NO2S, 5-Formylthiophene-2-carboxamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 155.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 5-Formylthiophene-2-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 | C6H5NO2S |
| Molecular Weight | 155.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Formylthiophene Standards
- 5-Formylthiophene-3-carboxamide (CAS 1384430-06-1)
- 3-Formylthiophene-2-boronic Acid (CAS 17303-83-2)
- 2-Formylthiophene-4-boronic acid (CAS 175592-59-3)
- 2-Formylthiophene-3-boronic Acid (CAS 4347-31-3)
- 4-Formylthiophene-2-carboxylic Acid (CAS 14282-66-7)
- 2-Formylthiophene-3-carboxylic Acid (CAS 19991-69-6)
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