| CAS No. | 569659-87-6 |
| Molecular Formula | C9H9N5OS |
| Molecular Weight | 235.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(E)-4-((2-Amino-1H-purin-6-yl)thio)but-3-en-2-one (CAS 569659-87-6) is a high-purity analytical reference standard with the molecular formula C9H9N5OS and a molecular weight of 235.27 g/mol.
Based on its molecular formula C9H9N5OS, (E)-4-((2-Amino-1H-purin-6-yl)thio)but-3-en-2-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 235.27 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 | C9H9N5OS |
| Molecular Weight | 235.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |