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
| 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
The occurrence of Tetramethyl 5,5-dimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
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 analytical reference standard with the molecular formula C24H23NO8S3 and a molecular weight of 549.64 g/mol.
The molecular framework of Tetramethyl 5,5-dimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate (C24H23NO8S3) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
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
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Recommended Standards
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- [1-(3,4-dichlorobenzoyl)-4-fluoro-4-piperidinyl]methyl 2,4,5-trichlorobenzenesulfonate (CAS 477857-56-0)
- 4-(chloromethyl)-6-methoxy-5-methyl-pyrimidine (CAS 1494676-16-2)
- 3-((Trimethylsilyl)ethynyl)pyridine-2-carbaldehyde (CAS 222168-23-2)
- N-(Furan-2-ylmethyl) 3-bromo-5-trifluoromethylbenzenesulfonamide (CAS 951884-84-7)
- 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)
- 2-(Dimethylamino)-2-(1-methyl-1H-pyrrol-2-yl)acetonitrile (CAS 117068-07-2)
- 1-Benzyl-N-(3,5-dichlorophenyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 338412-50-3)
- Semaglutide impurity 50 (CAS 2773558-66-8)
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