3-Methyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrazin-8-one CAS 68774-82-3
| CAS No. | 68774-82-3 |
| Molecular Formula | C6H6N4O |
| Molecular Weight | 150.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Methyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrazin-8-one (CAS 68774-82-3), a certified reference material (molecular formula C6H6N4O, MW 150.14 g/mol) for analytical method development and quality control.
Owing to an amide group, a hydroxyl group, an ether linkage, an aromatic ring system, 3-Methyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrazin-8-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 150.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-Methyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrazin-8-one 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 | C6H6N4O |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 3-Methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-amine (CAS 6312-55-6)
- 4-(1H-Imidazol-2-yl)-1H-1,2,3-triazol-5-amine (CAS 719261-16-2)
- 3-Methyl-1H-pyrazolo[4,3-e][1,2,4]triazin-5-amine (CAS 905754-05-4)
- 4,6-Dihydropyrimido[4,5-c]pyridazin-5(1H)-one (CAS 94295-32-6)
- 3,3'-Disulfanediylbis(4-aminophenol) (CAS 875895-71-9)
- FA-Gly-Leu-OH (CAS 69654-89-3)
- N-[1-(1-tert-butyl-3-methyl-1H-pyrazol-4-yl)ethylidene]hydroxylamine (CAS 1807885-02-4)
- Z-Glu(OBzl)-ONp (CAS 49689-66-9)
- 2-Chloro-N-isopropyl-N-((1-methylpiperidin-3-yl)methyl)acetamide (CAS 1353972-45-8)
- 7-Chloro-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carbaldehyde (CAS 1305324-73-5)
- Citalopram impurity 78 (CAS CATO-C4X-110978)
- 1-Ethyl-2-(2-(N-phenylacetamido)vinyl)quinolin-1-ium iodide (CAS 52338-02-0)
- Hydantoin Impurity 23 (CAS CATO-C4X-214623)
- Semaglutide Impurity 145 (CAS CATO-C4X-2226145)
Why CATO?
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