3-ethyl-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine CAS 791777-96-3
| CAS No. | 791777-96-3 |
| Molecular Formula | C7H16N4 |
| Molecular Weight | 156.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 156.23 g/mol gives 3-ethyl-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-ethyl-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine (CAS 791777-96-3), molecular formula C7H16N4 and molecular weight 156.23 g/mol, is a CATO reference standard with documented purity and traceability.
3-ethyl-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine (C7H16N4) contains a nitrile group. 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-ethyl-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine 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 | C7H16N4 |
| Molecular Weight | 156.23 g/mol |
| 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) | 2.0 |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 3-Cyclopentylpropanehydrazide (CAS 588714-08-3)
- 3-Isopropyl-1,2-dimethylimidazolidin-4-one (CAS 710355-36-5)
- 3-butylpiperazin-2-one (CAS 90152-25-3)
- 3-Methyl-1-(oxetan-3-yl)piperazine (CAS 2070014-81-0)
- 5-Hydroxycoumarin (CAS 53081-42-8)
- 1-Butyl-5-methyl-4,5-dihydro-1H-imidazol-2-amine (CAS 735210-75-0)
- 6-Bromopurine, 97% (CAS 767-69-1)
- 1-(1-Benzyl-piperidin-4-yl)-piperazinedihydrochloride (CAS 926904-42-9)
- N-methyl-2-(4-methyl-1H-benzo[d]imidazol-2-yl)ethan-1-amine (CAS 915919-96-9)
- Tulathromycin A-d7 (CAS 2734920-62-6)
- 2-Ethyl-3,5-dimethylpyrazine (contains 2-Ethyl-3,6-dimethylpyrazine) (CAS 27043-05-6)
- 3-Methyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine dihydrochloride (CAS 1174644-34-8)
- 1-(4-(3-Methyl-5-vinylpyridin-2-yl)piperazin-1-yl)ethanone (CAS 1355189-57-9)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
Why CATO?
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