| CAS No. | 503271-69-0 |
| Molecular Formula | C11H9F2N3OS |
| Molecular Weight | 269.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 269.27 g/mol gives 6-Amino-2-((2,3-difluorobenzyl)thio)pyrimidin-4(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 6-Amino-2-((2,3-difluorobenzyl)thio)pyrimidin-4(3H)-one (CAS 503271-69-0), a certified reference material (molecular formula C11H9F2N3OS, MW 269.27 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H9F2N3OS, 6-Amino-2-((2,3-difluorobenzyl)thio)pyrimidin-4(3H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.27 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).
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.
| Molecular Formula | C11H9F2N3OS |
| Molecular Weight | 269.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |