6,6'-Dimethoxy-2,2'-dimethyl-[8,8'-biquinoline]-5,5'(1H,1'H)-dione CAS 88840-45-3
| CAS No. | 88840-45-3 |
| Molecular Formula | C22H20N2O4 |
| Molecular Weight | 376.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 376.41 g/mol gives 6,6'-Dimethoxy-2,2'-dimethyl-[8,8'-biquinoline]-5,5'(1H,1'H)-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 6,6'-Dimethoxy-2,2'-dimethyl-[8,8'-biquinoline]-5,5'(1H,1'H)-dione (CAS 88840-45-3), a certified reference material (molecular formula C22H20N2O4, MW 376.41 g/mol) for analytical method development and quality control.
6,6'-Dimethoxy-2,2'-dimethyl-[8,8'-biquinoline]-5,5'(1H,1'H)-dione (C22H20N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6,6'-Dimethoxy-2,2'-dimethyl-[8,8'-biquinoline]-5,5'(1H,1'H)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H20N2O4 |
| Molecular Weight | 376.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
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- 3-(2,4,5-Trimethyl-1H-imidazol-1-yl)propan-1-amine (CAS 88933-46-4)
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- 2-Hydrazinyl-4-(2-methylimidazo[1,2-a]pyridin-3-yl)thiazole (CAS 886503-45-3)
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- Peptide Impurity 13 (CAS CATO-CPTD788813)
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