3-[4-methyl-5-(methylsulphonyl)-4H-1,2,4-triazol-3-yl]pyridine CAS 863609-19-2
| CAS No. | 863609-19-2 |
| Molecular Formula | C9H10N4O2S |
| Molecular Weight | 238.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-[4-methyl-5-(methylsulphonyl)-4H-1,2,4-triazol-3-yl]pyridine is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3-[4-methyl-5-(methylsulphonyl)-4H-1,2,4-triazol-3-yl]pyridine (CAS 863609-19-2), a certified reference material (molecular formula C9H10N4O2S, MW 238.27 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H10N4O2S, 3-[4-methyl-5-(methylsulphonyl)-4H-1,2,4-triazol-3-yl]pyridine contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.27 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.
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.
As a certified reference material (CRM), 3-[4-methyl-5-(methylsulphonyl)-4H-1,2,4-triazol-3-yl]pyridine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H10N4O2S |
| Molecular Weight | 238.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related methyl Standards
Recommended Standards
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- 1-(1H-Benzo[d][1,2,3]triazol-1-yl)undecan-1-one (CAS 876892-48-7)
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- 2-(Difluoromethyl)-3-methoxy-4-methylpyridine-6-acetonitrile (CAS 1805604-20-9)
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