| CAS No. | 926205-33-6 |
| Molecular Formula | C15H18N4O |
| Molecular Weight | 270.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 270.33 g/mol gives 3-Amino-1-phenyl-4-(3,4,5,6-tetrahydro-2H-azepin-7-yl)-1H-pyrazol-5-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Amino-1-phenyl-4-(3,4,5,6-tetrahydro-2H-azepin-7-yl)-1H-pyrazol-5-ol (CAS 926205-33-6), molecular formula C15H18N4O and molecular weight 270.33 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Amino-1-phenyl-4-(3,4,5,6-tetrahydro-2H-azepin-7-yl)-1H-pyrazol-5-ol (C15H18N4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 270.33 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
| Molecular Formula | C15H18N4O |
| Molecular Weight | 270.33 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |