| CAS No. | 105316-99-2 |
| Molecular Formula | C11H9N3OS |
| Molecular Weight | 231.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-(2-Amino-1,3-thiazol-4-yl)-2,3-dihydro-1h-indol-2-one (CAS 105316-99-2), molecular formula C11H9N3OS and molecular weight 231.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H9N3OS, 5-(2-Amino-1,3-thiazol-4-yl)-2,3-dihydro-1h-indol-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 231.27 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.
As a certified reference material (CRM), 5-(2-Amino-1,3-thiazol-4-yl)-2,3-dihydro-1h-indol-2-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.
| Molecular Formula | C11H9N3OS |
| Molecular Weight | 231.27 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |