| CAS No. | 140214-77-3 |
| Molecular Formula | C18H19N3O |
| Molecular Weight | 293.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 293.36 g/mol gives 2-((4-Phenylphthalazin-1-yl)amino)butan-1-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-((4-Phenylphthalazin-1-yl)amino)butan-1-ol (CAS 140214-77-3), molecular formula C18H19N3O and molecular weight 293.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-((4-Phenylphthalazin-1-yl)amino)butan-1-ol (C18H19N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 293.36 g/mol, it falls into the medium-molecular-weight range. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C18H19N3O |
| Molecular Weight | 293.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |