4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(2-chlorophenyl)sulfanyl]-2-methylpyrimidine CAS 338960-54-6
| CAS No. | 338960-54-6 |
| Molecular Formula | C18H14Cl2N2O2S2 |
| Molecular Weight | 425.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 425.35 g/mol gives 4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(2-chlorophenyl)sulfanyl]-2-methylpyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(2-chlorophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-54-6), molecular formula C18H14Cl2N2O2S2 and molecular weight 425.35 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H14Cl2N2O2S2, 4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(2-chlorophenyl)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 Chlorobenzenesulfonyl Standards
- 4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(3-chlorophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-55-7)
- 4-[(4-Chlorobenzenesulfonyl)methyl]-6-[(4-chlorophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-45-5)
- 4-{3-[(4-chlorobenzenesulfonyl)methyl]-4-nitrobenzoyl}morpholine (CAS 339276-57-2)
- 5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(2-chlorophenyl)-1,2,4-oxadiazole (CAS 551931-01-2)
- 5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(3-chlorophenyl)-1,2,4-oxadiazole (CAS 551931-00-1)
- 5-[1-(2-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(4-chlorophenyl)-1,2,4-oxadiazole (CAS 551930-99-5)
- 5-[1-(4-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(2-chlorophenyl)-1,2,4-oxadiazole (CAS 478045-80-6)
- 5-[1-(4-Chlorobenzenesulfonyl)pyrrolidin-2-yl]-3-(3-chlorophenyl)-1,2,4-oxadiazole (CAS 478045-78-2)
Recommended Standards
- 3,3-Difluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)indolin-2-one (CAS 1639957-31-5)
- Fludarabine Impurity 17 (CAS CATO-C4X-184617)
- methyl 2-(benzoylamino)-2-(diisopropoxyphosphoryl)-3,3,3-trifluoropropanoate (CAS 339339-42-3)
- 4-[(Benzenesulfonyl)methyl]-6-[(2,4-dichlorophenyl)sulfanyl]-2-methylpyrimidine (CAS 338960-51-3)
- 2-Amino-2-cyclobutylacetonitrile (CAS 1501181-19-6)
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- 207605-47-8 TR-009739 dl-3-phenylserine monohydrate, dl-3-hydroxy-2-amino-3-phenylpropionic acid,2-amino-3-hydroxy-3- (CAS 207605-47-8)
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