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
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 331761-20-7 |
| Molecular Formula | C26H27NO8S3 |
| Molecular Weight | 577.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 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) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C26H27NO8S3. Molecular weight: 577.69 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C26H27NO8S3 |
| Molecular Weight | 577.69 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 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)
- 3',6'-Bis{[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxy]-3H-[spiro(isobenzofuran-1,9,-xanthen]-3-one} FBBBE (CAS 1522117-83-4)
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- 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 5,5,8-trimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate (CAS 305343-76-4)
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