| CAS No. | 676256-24-9 |
| Molecular Formula | C7H5N3O |
| Molecular Weight | 147.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 147.13 g/mol gives [1,2,4]Triazolo[4,3-a]pyridine-7-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
[1,2,4]Triazolo[4,3-a]pyridine-7-carbaldehyde (CAS 676256-24-9), molecular formula C7H5N3O and molecular weight 147.13 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of [1,2,4]Triazolo[4,3-a]pyridine-7-carbaldehyde (C7H5N3O) is characterized by an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. 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. 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.
CATO manufactures [1,2,4]Triazolo[4,3-a]pyridine-7-carbaldehyde 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 | C7H5N3O |
| Molecular Weight | 147.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |