1-([1,2,4]triazolo[4,3-a]pyrazin-3-yl)ethan-1-amine CAS 1156389-51-3
| CAS No. | 1156389-51-3 |
| Molecular Formula | C7H9N5 |
| Molecular Weight | 163.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-([1,2,4]triazolo[4,3-a]pyrazin-3-yl)ethan-1-amine (C7H9N5) contains a nitrile group, 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-([1,2,4]triazolo[4,3-a]pyrazin-3-yl)ethan-1-amine (CAS 1156389-51-3), molecular formula C7H9N5 and molecular weight 163.18 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H9N5 |
| Molecular Weight | 163.18 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.) | 1989 |
| Nitrogen Atoms | 5 |
Related triazolo Standards
- 1-([1,2,4]triazolo[4,3-a]pyrazin-3-yl)-N-methylmethanamine (CAS 1155920-69-6)
- (6-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methanamine (CAS 1249222-34-1)
- 1-([1,2,3]Triazolo[1,5-a]pyridin-7-yl)ethanol (CAS 1782508-39-7)
- 1-([1,2,4]triazolo[1,5-a]pyridin-5-yl)ethanol (CAS 2639965-78-7)
- 1-([1,2,4]triazolo[1,5-a]pyridin-8-yl)ethanol (CAS 2303705-46-4)
- [1,2,3]Triazolo[1,5-a]pyrimidine-3-carboxamide (CAS 54523-04-5)
- [1,2,4]Triazolo[4,3-b]pyridazine-3-carboxamide (CAS 76196-12-8)
- [1,2,4]Triazolo[4,3-b]pyridazine-8-carboxamide (CAS 27427-69-6)
Recommended Standards
- (2-Methylpyrazolo[1,5-a]pyrimidin-3-yl)methanol (CAS 1159983-06-8)
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- 5,6-Dimethyl-1H-imidazo[4,5-b]pyridin-2(3H)-one (CAS 116599-54-3)
- 2-(2-Methoxyethyl)pyrimidine-5-carbonitrile (CAS 1123169-32-3)
- 4’-Bromo-3’-methoxyacetophenone (CAS 50870-44-5)
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- Ethyl 2,6-difluoro-3-iodobenzoate (CAS 1520299-34-6)
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- 2-(Propan-2-ylsulfanyl)acetaldehyde (CAS 79428-46-9)
- 4-[2-(1-Pyrrolidinyl)ethoxy]benzophenone hydrochloride (CAS 302962-99-8)
- 1-(1-Methylcyclopropyl)-1H-pyrazole-3-carboxylic acid (CAS 2468058-14-0)
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- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(furan-3-yl)thiazol-5-yl)boronate (CAS 2223030-77-9)
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