| CAS No. | 1609396-63-5 |
| Molecular Formula | C8H6N2O2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 212.22 g/mol gives 5-(1H-Imidazol-2-yl)-2-thiophenecarboxylic acid hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(1H-Imidazol-2-yl)-2-thiophenecarboxylic acid hydrate (CAS 1609396-63-5), molecular formula C8H6N2O2SH2O and molecular weight 212.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H6N2O2SH2O, 5-(1H-Imidazol-2-yl)-2-thiophenecarboxylic acid hydrate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 212.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(1H-Imidazol-2-yl)-2-thiophenecarboxylic acid hydrate 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.
| Molecular Formula | C8H6N2O2S H2O |
| Molecular Weight | 212.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |