5,6-Dihydro-4H-4,7-(epithiometheno)benzo[d]isoxazole CAS 132804-44-5
| CAS No. | 132804-44-5 |
| Molecular Formula | C8H7NOS |
| Molecular Weight | 165.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5,6-Dihydro-4H-4,7-(epithiometheno)benzo[d]isoxazole 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.
5,6-Dihydro-4H-4,7-(epithiometheno)benzo[d]isoxazole (CAS 132804-44-5), molecular formula C8H7NOS and molecular weight 165.21 g/mol, is a CATO reference standard with documented purity and traceability.
5,6-Dihydro-4H-4,7-(epithiometheno)benzo[d]isoxazole (C8H7NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C8H7NOS |
| Molecular Weight | 165.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 5,6-Dihydro-2H-7,4-(epithiometheno)benzo[d]isoxazole (CAS 132804-43-4)
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