| CAS No. | 332898-11-0 |
| Molecular Formula | C20H21N3O |
| Molecular Weight | 319.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 319.40 g/mol gives 14,14-Dimethyl-10-(pyridin-2-yl)-2,9-diazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6-tetraen-12-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 14,14-Dimethyl-10-(pyridin-2-yl)-2,9-diazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6-tetraen-12-one (CAS 332898-11-0), a certified reference material (molecular formula C20H21N3O, MW 319.40 g/mol) for analytical method development and quality control.
Structurally, 14,14-Dimethyl-10-(pyridin-2-yl)-2,9-diazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6-tetraen-12-one (C20H21N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 319.40 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C20H21N3O |
| Molecular Weight | 319.40 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |