| CAS No. | 339019-04-4 |
| Molecular Formula | C22H18ClF3N2OS |
| Molecular Weight | 450.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 2-{[(4-chlorophenyl)methyl]sulfanyl}-4-[3-(trifluoromethyl)phenoxy]-5,6,7,8-tetrahydroquinazoline is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-{[(4-chlorophenyl)methyl]sulfanyl}-4-[3-(trifluoromethyl)phenoxy]-5,6,7,8-tetrahydroquinazoline (CAS 339019-04-4), molecular formula C22H18ClF3N2OS and molecular weight 450.90 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-{[(4-chlorophenyl)methyl]sulfanyl}-4-[3-(trifluoromethyl)phenoxy]-5,6,7,8-tetrahydroquinazoline (C22H18ClF3N2OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 450.90 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-{[(4-chlorophenyl)methyl]sulfanyl}-4-[3-(trifluoromethyl)phenoxy]-5,6,7,8-tetrahydroquinazoline 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 | C22H18ClF3N2OS |
| Molecular Weight | 450.90 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |