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
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 258267-22-0 |
| Molecular Formula | C24H23NO8S3 |
| Molecular Weight | 549.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H23NO8S3. Molecular weight: 549.64 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C24H23NO8S3 |
| Molecular Weight | 549.64 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
- 2,4,6,8-Tetramethyl-1,3,5,7(1,3)-tetrabenzenacyclooctaphan-1(4),1(6),3(4),3(6),5(4),5(6),7(4),7(6)-octaol (CAS 65338-98-9)
- 4,7-Bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzo[c][1,2,5]thiadiazole (CAS 1436849-96-5)
- Tetramethyl 5,5'-(((5-hydroxy-1,3-phenylene)bis(methylene))bis(oxy))diisophthalate (CAS 186605-76-5)
- 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)
- (R)-2,5,7,8-Tetramethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman-6-yl nicotinate (CAS 43119-47-7)
- 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)
- 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)
Recommended Standards
- (2'-(Di-p-tolylamino)-[1,1'-biphenyl]-2-yl)diphenylphosphine oxide (CAS 1579983-04-2)
- Thulium(III) iodide (CAS 13813-43-9)
- 2,6-Diisopropylphenylimidoneophylidene molybdenum(VI) bis(t-butoxide) (CAS 126949-65-3)
- 4-(chloromethyl)-6-methoxy-5-methyl-pyrimidine (CAS 1494676-16-2)
- 3-((Trimethylsilyl)ethynyl)pyridine-2-carbaldehyde (CAS 222168-23-2)
- 3-Cyano-5-nitrobenzenesulfonyl chloride (CAS 49674-34-2)
- 3-(1-Formylcyclopentyl)propanenitrile (CAS 91239-99-5)
- Parecoxib (CAS 198470-84-7)
- 2-(2,4-Dichlorobenzyl)-1H-benzo[d]imidazole (CAS 154660-96-5)
- Semaglutide impurity 50 (CAS 2773558-66-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com