3-(N-Octadecylisobutyramido)-4-oxo-4-((3-oxo-2,3-dihydro-1H-indazol-6-yl)amino)butanoic acid CAS 83929-67-3
| CAS No. | 83929-67-3 |
| Molecular Formula | C33H54N4O5 |
| Molecular Weight | 586.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 3-(N-Octadecylisobutyramido)-4-oxo-4-((3-oxo-2,3-dihydro-1H-indazol-6-yl)amino)butanoic acid (C33H54N4O5) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
3-(N-Octadecylisobutyramido)-4-oxo-4-((3-oxo-2,3-dihydro-1H-indazol-6-yl)amino)butanoic acid (CAS 83929-67-3) is a high-purity analytical reference standard with the molecular formula C33H54N4O5 and a molecular weight of 586.81 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 | C33H54N4O5 |
| Molecular Weight | 586.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 4 |
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