Quino[2,3-b]acridine-2-sulfonic acid, 5,7,12,14-tetrahydro-7,14-dioxo-, aluminum salt (3:1) CAS 75431-69-5
| CAS No. | 75431-69-5 |
| Molecular Formula | 3*C20H11N2O5S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Quino[2,3-b]acridine-2-sulfonic acid, 5,7,12,14-tetrahydro-7,14-dioxo-, aluminum salt (3:1) 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.
Quino[2,3-b]acridine-2-sulfonic acid, 5,7,12,14-tetrahydro-7,14-dioxo-, aluminum salt (3:1) (CAS 75431-69-5) is a high-purity analytical reference standard with the molecular formula C20H11N2O5SAl and a molecular weight of 418.36 g/mol.
Based on its molecular formula C20H11N2O5SAl, Quino[2,3-b]acridine-2-sulfonic acid, 5,7,12,14-tetrahydro-7,14-dioxo-, aluminum salt (3:1) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 418.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | 3*C20H11N2O5S Al |
| Molecular Weight | 418.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- (Rac)-ABT-202 (CAS 309958-80-3)
- N'-(3-Nitroquinolin-4-yl)formohydrazide (CAS 51093-78-8)
- 3-Vinyl-quinoline (CAS 67752-31-2)
- 2-[(4-Bromophenyl)sulfanyl]-1-(4-methyl-2-phenyl-1,3-thiazol-5-yl)ethan-1-one (CAS 478047-37-9)
- 3,5-Dibromo-1H-pyrazolo[3,4-c]pyridine (CAS 1357946-78-1)
- n-(6-Amino-1-butyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-2-chloro-n-pentylacetamide (CAS 556020-46-3)
- 1,2-Epoxyeicosane (CAS 19780-16-6)
- (E)-N'-(2-methylpropylidene)benzohydrazide (CAS 63494-84-8)
- Sodium phenoxide (CAS 139-02-6)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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