| CAS No. | 1706242-80-9 |
| Molecular Formula | C20H20N2OS |
| Molecular Weight | 336.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 336.45 g/mol gives Benzo[d]thiazol-2-yl(3-phenylazepan-1-yl)methanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Benzo[d]thiazol-2-yl(3-phenylazepan-1-yl)methanone (CAS 1706242-80-9), molecular formula C20H20N2OS and molecular weight 336.45 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H20N2OS, Benzo[d]thiazol-2-yl(3-phenylazepan-1-yl)methanone contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 336.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C20H20N2OS |
| Molecular Weight | 336.45 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |