| CAS No. | 258267-23-1 |
| Molecular Formula | C25H25NO8S3 |
| Molecular Weight | 563.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies Tetramethyl 5,5,9-trimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate (CAS 258267-23-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C25H25NO8S3. Molecular weight: 563.66 g/mol. Batch-specific COA and technical support are available on request.
| Molecular Formula | C25H25NO8S3 |
| Molecular Weight | 563.66 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 3 |