Tetramethyl 5,5,8-trimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate CAS 305343-76-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 305343-76-4 |
| Molecular Formula | C25H25NO8S3 |
| Molecular Weight | 563.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Tetramethyl 5,5,8-trimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate (CAS 305343-76-4) pharmaceutical standards reference standard. Molecular formula: C25H25NO8S3. Molecular weight: 563.66 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| 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 |
Related Tetramethyl Standards
- Tetramethyl 5,5,7-trimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate (CAS 295347-16-9)
- 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)
- 3,3'-(2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-fluorene-9,9-diyl)dipropionic acid (CAS 1067250-06-9)
- 2,7-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9'-spirobi[9H-fluorene] (CAS 728911-52-2)
- Tetramethyl 5,5-dimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate (CAS 258267-22-0)
- Tetramethyl 5,5,8,9-tetramethyl-5,6-dihydrospiro[1,3-dithiole-2,1-thiopyrano[2,3-c]quinoline]-2,3,4,5-tetracarboxylate (CAS 331761-20-7)
- Tetramethyl 8-methoxy-5,5-dimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate (CAS 307329-27-7)
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