3,10-Dimethoxy-1,2-dihydrocyclobuta[b]anthracene-4,9-dione CAS 89023-99-4
| CAS No. | 89023-99-4 |
| Molecular Formula | C18H14O4 |
| Molecular Weight | 294.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3,10-Dimethoxy-1,2-dihydrocyclobuta[b]anthracene-4,9-dione (C18H14O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 294.30 g/mol, it falls into the medium-molecular-weight range. 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).
3,10-Dimethoxy-1,2-dihydrocyclobuta[b]anthracene-4,9-dione (CAS 89023-99-4) is a high-purity analytical reference standard with the molecular formula C18H14O4 and a molecular weight of 294.30 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,10-Dimethoxy-1,2-dihydrocyclobuta[b]anthracene-4,9-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H14O4 |
| Molecular Weight | 294.30 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
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Recommended Standards
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- N-(2-(Dimethylamino)ethyl)-4-(2,6-dioxo-1,3-dipropyl-2,3,6,9-tetrahydro-1H-purin-8-yl)-N-methylbenzenesulfonamide (CAS 107478-35-3)
- isoalantolactone (CAS 470-17-7)
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- 4,4′-Methylenebis(2,6-diethylphenyl isocyanate) (CAS 105442-35-1)
- Tau Peptide (306-317) trifluoroacetate salt (CAS 1003007-59-7)
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