| CAS No. | 690635-52-0 |
| Molecular Formula | C8H2ClIN2S |
| Molecular Weight | 320.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Chloro-2-iodothieno[3,2-c]pyridine-7-carbonitrile (CAS 690635-52-0) is a high-purity analytical reference standard with the molecular formula C8H2ClIN2S and a molecular weight of 320.54 g/mol.
The molecular framework of 4-Chloro-2-iodothieno[3,2-c]pyridine-7-carbonitrile (C8H2ClIN2S) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine/iodine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 4-Chloro-2-iodothieno[3,2-c]pyridine-7-carbonitrile 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 | C8H2ClIN2S |
| Molecular Weight | 320.54 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |