4-(2-Aminoethyl)-5-ethyl-2-phenyl-1H-pyrazol-3(2H)-one CAS 952959-53-4
| CAS No. | 952959-53-4 |
| Molecular Formula | C13H17N3O |
| Molecular Weight | 231.29 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.
4-(2-Aminoethyl)-5-ethyl-2-phenyl-1H-pyrazol-3(2H)-one (CAS 952959-53-4), molecular formula C13H17N3O and molecular weight 231.29 g/mol, is a CATO reference standard with documented purity and traceability.
4-(2-Aminoethyl)-5-ethyl-2-phenyl-1H-pyrazol-3(2H)-one (C13H17N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; 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.
Physical & Chemical Properties
| Molecular Formula | C13H17N3O |
| Molecular Weight | 231.29 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
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- 1-(4-Butylphenyl)-2-methylpropan-1-amine (CAS 847837-50-7)
- 6-Bromo-4-(trifluoromethyl)pyridine-2-sulfonyl chloride (CAS 1393582-18-7)
- 2-(Thiophen-2-yl)-2-(thiophen-2-ylsulfonyl)ethan-1-amine hydrochloride (CAS 1177322-23-4)
- 2-Cyclopropylethanol (CAS 2566-44-1)
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- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
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