6,6'-Dimethoxy-2,2'-dimethyl-[8,8'-biquinoline]-5,5'(1H,1'H)-dione CAS 88840-45-3
Purity 97%+In StockPharmaceutical Standards
| 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
6,6'-Dimethoxy-2,2'-dimethyl-[8,8'-biquinoline]-5,5'(1H,1'H)-dione (CAS 88840-45-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H20N2O4. Molecular weight: 376.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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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- 4-(Piperidin-4-yloxy)benzaldehyde (CAS 199103-27-0)
- (2,3-Dihydro-1,4-benzodioxin-6-yl)urea (CAS 554408-58-1)
- 3-(Trifluoromethyl)-7,8-dihydro-5H-pyrano[4,3-b]pyridine (CAS 1196151-73-1)
- 3-Hydroxy-N-((6S,9S,12S,15R,16S,19R,23R,24aR)-23-hydroxy-19-isobutyl-2,5,9,11,15-pentamethyl-6-((S)-3-methylbutan-2-yl)-1,4,7,10,13,17,20-heptaoxo-12-phenyldocosahydro-1H-pyrrolo[2,1-o][1,4,7,10,13,16,19]oxahexaazacyclodocosin-16-yl)picolinamide (CAS 299-20-7)
- 3-(2,4,5-Trimethyl-1H-imidazol-1-yl)propan-1-amine (CAS 88933-46-4)
- 2-((3-Nitrobenzyl)thio)ethan-1-amine (CAS 144907-41-5)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
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