3-(Pyridin-3-yl)-4,5-dihydro-1h-1,2,4-triazol-5-one CAS 59282-83-6
| CAS No. | 59282-83-6 |
| Molecular Formula | C7H6N4O |
| Molecular Weight | 162.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(Pyridin-3-yl)-4,5-dihydro-1h-1,2,4-triazol-5-one (CAS 59282-83-6) is a high-purity analytical reference standard with the molecular formula C7H6N4O and a molecular weight of 162.15 g/mol.
Owing to an amide group, a hydroxyl group, an ether linkage, an aromatic ring system, 3-(Pyridin-3-yl)-4,5-dihydro-1h-1,2,4-triazol-5-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 162.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 3-(Pyridin-3-yl)-4,5-dihydro-1h-1,2,4-triazol-5-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.
Physical & Chemical Properties
| Molecular Formula | C7H6N4O |
| Molecular Weight | 162.15 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 4 |
Related Pyridin Standards
- 3-(pyridin-3-yl)-4,5-dihydro-1,2-oxazol-5-one (CAS 101084-94-0)
- 4-Pyridin-4-yl-1,2,5-oxadiazol-3-amine (CAS 1018143-02-6)
- 5-(Pyridin-2-yl)isoxazol-3(2H)-one (CAS 119522-93-9)
- 4-(Pyridin-3-yl)-1,2,5-oxadiazol-3-amine (CAS 131988-01-7)
- 4-(pyridin-4-yl)-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 155431-59-7)
- 5-(Pyridin-4-yl)isoxazol-3-ol (CAS 167414-97-3)
- 3-(Pyridin-2-yl)isoxazol-5(4H)-one (CAS 18701-07-0)
- 1-(pyridin-2-yl)-1H-1,2,3,4-tetrazol-5-amine (CAS 76105-83-4)
Recommended Standards
- 3-(pyridin-3-yl)-1,2,4-oxadiazol-5-amine (CAS 49772-70-5)
- 3-(Pyridin-4-yl)-1H-1,2,4-triazol-5-ol (CAS 939-08-2)
- 3-(Pyridin-2-yl)-4,5-dihydro-1h-1,2,4-triazol-5-one (CAS 56041-30-6)
- 3-Amino-1,2,4-benzotriazine-1-N-oxide (CAS 5424-06-6)
- (2R,3S)-3-hydroxy-2-(1-oxoisoindolin-2-yl)butanoic acid (CAS 1440531-71-4)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com