3-(1H-Pyrazol-1-yl)-4H-1,2,4-triazol-4-amine CAS 385377-16-2
| CAS No. | 385377-16-2 |
| Molecular Formula | C5H6N6 |
| Molecular Weight | 150.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(1H-Pyrazol-1-yl)-4H-1,2,4-triazol-4-amine (CAS 385377-16-2), molecular formula C5H6N6 and molecular weight 150.14 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, 3-(1H-Pyrazol-1-yl)-4H-1,2,4-triazol-4-amine 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. 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.
Physical & Chemical Properties
| Molecular Formula | C5H6N6 |
| 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 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
Related H Standards
- 3-(1h-Pyrazol-4-yl)isoxazol-5-amine (CAS 1342714-34-4)
- 5-(1h-Pyrazol-4-yl)isoxazol-3-amine (CAS 1494193-22-4)
- 4-(1H-Pyrazol-4-yl)pyrimidine (CAS 28648-87-5)
- 3-(1H-pyrazol-1-yl)pentanenitrile (CAS 1152915-18-8)
- 5-(1h-Pyrazol-1-yl)pentanenitrile (CAS 1248790-67-1)
- 3-(1h-Pyrazol-5-yl)-1h-pyrazol-5-amine (CAS 1347087-51-7)
- 5-(1H-pyrazol-4-yl)-1,2,4-oxadiazol-3-amine (CAS 73631-22-8)
- 1-(1H-Pyrazol-5-yl)pyrrolidin-2-one (CAS 786700-16-1)
Recommended Standards
- 2-Methyloxazolo[5,4-d]pyrimidin-7-amine (CAS 25680-37-9)
- 3-(Furan-2-yl)-1H-1,2,4-triazol-1-amine (CAS 501344-22-5)
- 2-Methyl-7H-purin-8-ol (CAS 39209-56-8)
- 3,7-Dimethylpyrazolo[4,3-e][1,3,4]oxadiazine (CAS 436085-95-9)
- 5-(Benzyloxy)-2-(2-chloropyridin-4-yl)pyrimidin-4-ol (CAS 1333240-19-9)
- 9-Nitroso-9H-carbazol-4-ol (CAS CATO-C3D-262110)
- tert-Butyl ((1R,3R,6S)-7-oxabicyclo[4.1.0]heptan-3-yl)carbamate (CAS 1350636-88-2)
- (1-(3-Chlorophenyl)propyl)hydrazine (CAS 1016739-98-2)
- Benzyl N-(2-carbamoylethyl)carbamate (CAS 886-64-6)
- Ethyl 4-((2,5-dimethylphenyl)thio)butanoate (CAS 1707580-40-2)
- 1-Pyridin-2-ylmethylpiperidin-4-one (CAS 41661-56-7)
- 2-Chloro-6-iodobenzamide (CAS 1261686-40-1)
- 2-Iodo-2-methylbutane (CAS 594-38-7)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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