| CAS No. | 210576-61-7 |
| Molecular Formula | C4H3ClINS |
| Molecular Weight | 259.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 2-Chloro-5-(iodomethyl)thiazole is closely related to a nitrile group, sulfur-containing functionality, chlorine/iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Chloro-5-(iodomethyl)thiazole (CAS 210576-61-7) is a high-purity analytical reference standard with the molecular formula C4H3ClINS and a molecular weight of 259.50 g/mol.
Structurally, 2-Chloro-5-(iodomethyl)thiazole (C4H3ClINS) contains a nitrile group, sulfur-containing functionality, chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 259.50 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-Chloro-5-(iodomethyl)thiazole 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 | C4H3ClINS |
| Molecular Weight | 259.50 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2017 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |