| CAS No. | 13544-44-0 |
| Molecular Formula | C4H7Cl2IN2 |
| Molecular Weight | 280.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 280.92 g/mol gives 2,4-Dichloro-5-iodopyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,4-Dichloro-5-iodopyrimidine (CAS 13544-44-0) is a high-purity analytical reference standard with the molecular formula C4H7Cl2IN2 and a molecular weight of 280.92 g/mol.
Structurally, 2,4-Dichloro-5-iodopyrimidine (C4H7Cl2IN2) contains chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 280.92 g/mol, it falls into the medium-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C4H7Cl2IN2 |
| Molecular Weight | 280.92 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |