| CAS No. | 13781-27-6 |
| Molecular Formula | C5H5IOS |
| Molecular Weight | 240.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 240.06 g/mol gives (5-Iodothiophen-2-yl)methanol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(5-Iodothiophen-2-yl)methanol (CAS 13781-27-6) is a high-purity analytical reference standard with the molecular formula C5H5IOS and a molecular weight of 240.06 g/mol.
Based on its molecular formula C5H5IOS, (5-Iodothiophen-2-yl)methanol contains sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.06 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.
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-Iodothiophen-2-yl)methanol 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 | C5H5IOS |
| Molecular Weight | 240.06 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | I-containing |
| Sulfur Atoms | 1 |