3-(Tert-butyl)-2-hexanoylindeno[1,2-c]pyrazol-4(2H)-one CAS 1024132-03-3
| CAS No. | 1024132-03-3 |
| Molecular Formula | C20H24N2O2 |
| Molecular Weight | 324.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(Tert-butyl)-2-hexanoylindeno[1,2-c]pyrazol-4(2H)-one (CAS 1024132-03-3), molecular formula C20H24N2O2 and molecular weight 324.42 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H24N2O2, 3-(Tert-butyl)-2-hexanoylindeno[1,2-c]pyrazol-4(2H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 324.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C20H24N2O2 |
| Molecular Weight | 324.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- 5-Hydroxy-2,2-dimethylbenzofuran-3(2H)-one (CAS 127049-37-0)
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-1-(4-fluorophenyl)ethanone (CAS 477329-76-3)
- Semaglutide-d5 (CAS CATO-C4X-2226153)
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