5-((2-Chlorophenyl)sulfonyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one CAS 1255783-99-3
| CAS No. | 1255783-99-3 |
| Molecular Formula | C10H7ClN2O3S2 |
| Molecular Weight | 302.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 5-((2-Chlorophenyl)sulfonyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 1255783-99-3), a certified reference material (molecular formula C10H7ClN2O3S2, MW 302.76 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H7ClN2O3S2, 5-((2-Chlorophenyl)sulfonyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one contains a nitrogen-containing heterocyclic scaffold, 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 302.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-((2-Chlorophenyl)sulfonyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one 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.
Physical & Chemical Properties
| Molecular Formula | C10H7ClN2O3S2 |
| Molecular Weight | 302.76 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
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