| CAS No. | 52979-04-1 |
| Molecular Formula | C18H12N2OS2 |
| Molecular Weight | 336.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 6-(Naphthalen-2-ylthio)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-(Naphthalen-2-ylthio)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 52979-04-1), molecular formula C18H12N2OS2 and molecular weight 336.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-(Naphthalen-2-ylthio)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (C18H12N2OS2) contains a steroid core, an amide group, sulfur-containing functionality, 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 336.43 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 6-(Naphthalen-2-ylthio)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one 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 | C18H12N2OS2 |
| Molecular Weight | 336.43 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.) | 1972 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |