| CAS No. | 50916-90-0 |
| Molecular Formula | C6H8N4O |
| Molecular Weight | 152.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-Methyl-4,5-dihydro-[1,2,3]triazolo[1,5-a]pyrazin-6(7H)-one (C6H8N4O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-Methyl-4,5-dihydro-[1,2,3]triazolo[1,5-a]pyrazin-6(7H)-one (CAS 50916-90-0), molecular formula C6H8N4O and molecular weight 152.15 g/mol, is a CATO reference standard with documented purity and traceability.
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 4-Methyl-4,5-dihydro-[1,2,3]triazolo[1,5-a]pyrazin-6(7H)-one 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 | C6H8N4O |
| Molecular Weight | 152.15 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 4 |