| CAS No. | 55366-16-0 |
| Molecular Formula | C5H6N6 |
| Molecular Weight | 150.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 8-Hydrazinyl-[1,2,4]triazolo[1,5-a]pyrazine is closely related to a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
8-Hydrazinyl-[1,2,4]triazolo[1,5-a]pyrazine (CAS 55366-16-0), molecular formula C5H6N6 and molecular weight 150.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H6N6, 8-Hydrazinyl-[1,2,4]triazolo[1,5-a]pyrazine contains a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 150.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C5H6N6 |
| Molecular Weight | 150.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 6 |