| CAS No. | 104857-27-4 |
| Molecular Formula | C12H8N2OS |
| Molecular Weight | 228.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
104857-27-4 ACMC-20m7ol Isothiazolo[5,4-b]pyridin-3(2H)-one, 2-phenyl- (CAS 104857-27-4), molecular formula C12H8N2OS and molecular weight 228.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H8N2OS, 104857-27-4 ACMC-20m7ol Isothiazolo[5,4-b]pyridin-3(2H)-one, 2-phenyl- 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 228.27 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.
| Molecular Formula | C12H8N2OS |
| Molecular Weight | 228.27 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |