| CAS No. | 338423-20-4 |
| Molecular Formula | C19H16Cl2N2OS2 |
| Molecular Weight | 423.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies 2,4-Bis({[(4-chlorophenyl)methyl]sulfanyl})-5-methoxypyrimidine (CAS 338423-20-4), a certified reference material (molecular formula C19H16Cl2N2OS2, MW 423.38 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H16Cl2N2OS2, 2,4-Bis({[(4-chlorophenyl)methyl]sulfanyl})-5-methoxypyrimidine contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 423.38 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.
CATO manufactures 2,4-Bis({[(4-chlorophenyl)methyl]sulfanyl})-5-methoxypyrimidine 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 | C19H16Cl2N2OS2 |
| Molecular Weight | 423.38 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |