4-[(Benzenesulfonyl)methyl]-6-[(2,4-dichlorophenyl)sulfanyl]-2-methylpyrimidine CAS 338960-51-3
| CAS No. | 338960-51-3 |
| Molecular Formula | C18H14Cl2N2O2S2 |
| Molecular Weight | 425.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[(Benzenesulfonyl)methyl]-6-[(2,4-dichlorophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-51-3) is a high-purity analytical reference standard with the molecular formula C18H14Cl2N2O2S2 and a molecular weight of 425.35 g/mol.
Based on its molecular formula C18H14Cl2N2O2S2, 4-[(Benzenesulfonyl)methyl]-6-[(2,4-dichlorophenyl)sulfanyl]-2-methylpyrimidine contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 425.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C18H14Cl2N2O2S2 |
| Molecular Weight | 425.35 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| 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 |
Related Benzenesulfonyl Standards
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- N'-[1-(Benzenesulfonyl)piperidin-4-ylidene]-3,4-dichlorobenzohydrazide (CAS 478248-25-8)
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- 4-[(Benzenesulfonyl)methyl]-6-[4-(2-fluorophenyl)piperazin-1-yl]-2-methylpyrimidine (CAS 338960-49-9)
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Recommended Standards
- 4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(4-chlorophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-45-5)
- Ethyl 4-{[3,5-bis(trifluoromethyl)phenyl]amino}-2-(methylsulfanyl)pyrimidine-5-carboxylate (CAS 339019-44-2)
- 4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(3-chlorophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-55-7)
- Methyl (E)-3-benzamido-6-(2-(6-hydroxy-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)vinyl)-2-oxo-2H-pyran-5-carboxylate (CAS 341966-37-8)
- Ethyl 2-chloro-6-(4-bromophenyl)nicotinate (CAS 1993196-89-6)
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