| CAS No. | 2374137-45-6 |
| Molecular Formula | C5H10ClIN4 |
| Molecular Weight | 288.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-chloro-8-iodo-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 2374137-45-6) is a high-purity analytical reference standard with the molecular formula C5H10ClIN4 and a molecular weight of 288.52 g/mol.
Structurally, 5-chloro-8-iodo-[1,2,4]triazolo[4,3-c]pyrimidine (C5H10ClIN4) contains a nitrile group, chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 288.52 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.
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.
CATO manufactures 5-chloro-8-iodo-[1,2,4]triazolo[4,3-c]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C5H10ClIN4 |
| Molecular Weight | 288.52 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) | 2.0 |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 4 |