| CAS No. | 219959-85-0 |
| Molecular Formula | C17H11N3O2 |
| Molecular Weight | 289.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 289.29 g/mol gives 9-(4-Nitrophenyl)-9H-pyrido[3,4-b]indole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 9-(4-Nitrophenyl)-9H-pyrido[3,4-b]indole (CAS 219959-85-0), a certified reference material (molecular formula C17H11N3O2, MW 289.29 g/mol) for analytical method development and quality control.
Structurally, 9-(4-Nitrophenyl)-9H-pyrido[3,4-b]indole (C17H11N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 289.29 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).
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.
CATO manufactures 9-(4-Nitrophenyl)-9H-pyrido[3,4-b]indole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C17H11N3O2 |
| Molecular Weight | 289.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 3 |