2,3-Dimethoxyanthracene-9,10-dione CAS 22506-55-4
| CAS No. | 22506-55-4 |
| Molecular Formula | C16H12O4 |
| Molecular Weight | 268.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2,3-Dimethoxyanthracene-9,10-dione (CAS 22506-55-4) is a high-purity analytical reference standard with the molecular formula C16H12O4 and a molecular weight of 268.26 g/mol.
Based on its molecular formula C16H12O4, 2,3-Dimethoxyanthracene-9,10-dione contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C16H12O4 |
| Molecular Weight | 268.26 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Dimethoxyanthracene Standards
- 1,2-Dimethoxyanthracene-9,10-dione (CAS 6003-12-9)
- 1,4-Dimethoxyanthracene-9,10-dione (CAS 6119-74-0)
- 1,8-Dimethoxyanthracene-9,10-dione (CAS 6407-55-2)
- 2,6-Dimethoxyanthracene-9,10-dione (CAS 963-96-2)
- 2,7-Dimethoxyanthracene-9,10-dione (CAS 73453-68-6)
- 26708-04-3 2-Ethyl-9,10-dimethoxyanthracene DTXSID20352952 (CAS 26708-04-3)
- 1,4-Dimethoxyanthracene (CAS 13076-29-4)
- 1,5-Dimethoxyanthracene (CAS 16294-32-9)
Recommended Standards
- 2-(Hydroxymethyl)-3-methoxyanthracene-9,10-dione (CAS 537712-33-7)
- 2-(butylamino)-4-(trifluoromethyl)-1,3-thiazole-5-carboxylic acid (CAS 937597-59-6)
- 2-(9-Oxo-9H-xanthen-2-yl)propanoic acid (CAS 30087-33-3)
- 2-Benzoyl-6-methoxybenzofuran-3(2H)-one (CAS 69545-21-7)
- 4-Bromo-1-methylpyrazole-3-carbonitrile (CAS 287922-71-8)
- 7-Chloro-4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1508393-11-0)
- SOTS-1 (CAS 223507-96-8)
- 3,3'-Diamino-4,4'-difluorodiphenyl sulfone (CAS 40939-65-9)
- Prepro TRH (178-199) (CAS 122018-92-2)
- 4,5-Dibromo-2-(tert-butyl)pyridazin-3(2H)-one (CAS 107784-73-6)
- 4-nitro-5-methylamino-6-methyl-2,1,3-benzoselenodiazole (CAS 149703-56-0)
- (S)-2,2,2-trifluoro-1-(3-fluoro-4-(trifluoromethyl)phenyl)ethan-1-amine (CAS 1212815-04-7)
- 2-(((Benzyloxy)carbonyl)amino)-3-(3-fluorophenyl)propanoic acid (CAS 126693-47-8)
- Lixisenatide (CAS 320367-13-3（free base）)
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