5-Amino-1-(tert-butyl)pyrazole CAS 442850-71-7
| CAS No. | 442850-71-7 |
| Molecular Formula | C7H13N3 |
| Molecular Weight | 139.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-1-(tert-butyl)pyrazole (C7H13N3) 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.
5-Amino-1-(tert-butyl)pyrazole (CAS 442850-71-7) is a high-purity analytical reference standard with the molecular formula C7H13N3 and a molecular weight of 139.20 g/mol.
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.
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 | C7H13N3 |
| Molecular Weight | 139.20 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 5-amino-6-methylpyridine-2-carbonitrile (CAS 1079054-78-6)
- 2-(4-Amino-1-piperidyl)acetonitrile (CAS 1154259-79-6)
- 4-Amino-1-methylpiperidine-4-carbonitrile (CAS 123194-00-3)
- 3-Amino-5-(sec-butyl)pyrazole (CAS 56367-25-0)
- 3-Amino-5-tert-butylpyrazole (CAS 82560-12-1)
- 4-Amino-1-ethyl-3,5-dimethyl-1H-pyrazole (CAS 63203-90-7)
- 4-amino-6-methylpyridine-3-carbonitrile (CAS 886371-97-7)
- 5-amino-6-methylpyridine-3-carbonitrile (CAS 3308-01-8)
Recommended Standards
- 5-(Tert-butyl)-1H-imidazol-2-amine (CAS 82560-19-8)
- 4-Methyl-1-piperazineacetonitrile (CAS 874-77-1)
- 5-Methyl-1-(propan-2-yl)-1h-pyrazol-3-amine (CAS 956440-80-5)
- 4-Methyl-1-(propan-2-yl)-1h-pyrazol-5-amine (CAS 3524-50-3)
- 2-Chloro-N-(2-(trifluoromethoxy)phenyl)acetamide (CAS 656227-27-9)
- 2-Amino-N-[3-(dimethylamino)propyl]benzamide (CAS 1943-20-0)
- 2-Amino-4-(5-ethoxy-4-isopropoxycyclohexa-1,3-dien-1-yl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile (CAS 625375-61-3)
- Methyl 7-chloro-[1,2,3]triazolo[1,5-a]pyridine-3-carboxylate (CAS 947381-03-5)
- 3-Amino-n,n-diethyl-4-(propylamino)benzene-1-sulfonamide (CAS 749902-34-9)
- 2-(Prop-2-yn-1-yl)cyclopentan-1-one (CAS 19842-40-1)
- (R)-3-hydroxy-4-(pyrrolidin-2-yl)benzoic acid (CAS 1213673-60-9)
- 1-((4-Fluorophenyl)thio)-3-(4-phenylpiperazin-1-yl)propan-2-ol (CAS 338421-71-9)
- 4-Methoxy-6-methylnicotinic acid (CAS 1211530-77-6)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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