| CAS No. | 930-97-2 |
| Molecular Formula | C5H3IOS |
| Molecular Weight | 238.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 238.05 g/mol gives 3-Iodothiophene-2-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Iodothiophene-2-carbaldehyde (CAS 930-97-2), molecular formula C5H3IOS and molecular weight 238.05 g/mol, is a CATO reference standard with documented purity and traceability.
3-Iodothiophene-2-carbaldehyde (C5H3IOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 3-Iodothiophene-2-carbaldehyde 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 | C5H3IOS |
| Molecular Weight | 238.05 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | I-containing |
| Sulfur Atoms | 1 |