4,6-Diphenyl-2-thioxo-1,2-dihydropyridine-3-carbonitrile CAS 58327-74-5
| CAS No. | 58327-74-5 |
| Molecular Formula | C18H12N2S |
| Molecular Weight | 288.37 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.
4,6-Diphenyl-2-thioxo-1,2-dihydropyridine-3-carbonitrile (CAS 58327-74-5) is a high-purity analytical reference standard with the molecular formula C18H12N2S and a molecular weight of 288.37 g/mol.
Structurally, 4,6-Diphenyl-2-thioxo-1,2-dihydropyridine-3-carbonitrile (C18H12N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. 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 288.37 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.
Physical & Chemical Properties
| Molecular Formula | C18H12N2S |
| Molecular Weight | 288.37 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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