| CAS No. | 918875-10-2 |
| Molecular Formula | C17H18N2 |
| Molecular Weight | 250.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-(2,4-Dimethylphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline (CAS 918875-10-2), molecular formula C17H18N2 and molecular weight 250.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(2,4-Dimethylphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline (C17H18N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 250.34 g/mol, it falls into the medium-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.
As a certified reference material (CRM), 3-(2,4-Dimethylphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C17H18N2 |
| Molecular Weight | 250.34 g/mol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |