| CAS No. | 67913-78-4 |
| Molecular Formula | C25H19N |
| Molecular Weight | 333.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 333.43 g/mol gives 2,4-Diphenyl-5,6-dihydrobenzo[h]quinoline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,4-Diphenyl-5,6-dihydrobenzo[h]quinoline (CAS 67913-78-4), molecular formula C25H19N and molecular weight 333.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,4-Diphenyl-5,6-dihydrobenzo[h]quinoline (C25H19N) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. 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 333.43 g/mol, it falls into the moderately-high-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.
CATO manufactures 2,4-Diphenyl-5,6-dihydrobenzo[h]quinoline 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 | C25H19N |
| Molecular Weight | 333.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |