3-chloro-6-fluoro-[1,2,4]triazolo[4,3-a]pyridine CAS 1020036-49-0
| CAS No. | 1020036-49-0 |
| Molecular Formula | C6H11ClFN3 |
| Molecular Weight | 179.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-chloro-6-fluoro-[1,2,4]triazolo[4,3-a]pyridine (CAS 1020036-49-0), molecular formula C6H11ClFN3 and molecular weight 179.62 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-chloro-6-fluoro-[1,2,4]triazolo[4,3-a]pyridine (C6H11ClFN3) contains a nitrile group, fluorine/chlorine 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 179.62 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.
Physical & Chemical Properties
| Molecular Formula | C6H11ClFN3 |
| Molecular Weight | 179.62 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.) | 1988 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
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