(2-Methyl-1-phenyl-1H-benzo[d]imidazol-5-yl)(3-nitro-7,8-dihydro-1,6-naphthyridin-6(5H)-yl)methanone CAS 1445749-77-8
| CAS No. | 1445749-77-8 |
| Molecular Formula | C23H19N5O3 |
| Molecular Weight | 413.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2-Methyl-1-phenyl-1H-benzo[d]imidazol-5-yl)(3-nitro-7,8-dihydro-1,6-naphthyridin-6(5H)-yl)methanone (CAS 1445749-77-8), molecular formula C23H19N5O3 and molecular weight 413.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2-Methyl-1-phenyl-1H-benzo[d]imidazol-5-yl)(3-nitro-7,8-dihydro-1,6-naphthyridin-6(5H)-yl)methanone (C23H19N5O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 413.43 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.
Physical & Chemical Properties
| Molecular Formula | C23H19N5O3 |
| Molecular Weight | 413.43 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 5 |
Recommended Standards
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