1-Hydroxy-2-methoxy-3-methylanthracene-9,10-dione CAS 74272-73-4
| CAS No. | 74272-73-4 |
| Molecular Formula | C16H12O4 |
| Molecular Weight | 268.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-Hydroxy-2-methoxy-3-methylanthracene-9,10-dione (CAS 74272-73-4), molecular formula C16H12O4 and molecular weight 268.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-Hydroxy-2-methoxy-3-methylanthracene-9,10-dione (C16H12O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 268.26 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 1-Hydroxy-2-methoxy-3-methylanthracene-9,10-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 | 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.) | 1978 |
Related Hydroxy Standards
- 7-Hydroxy-3-(4-hydroxybenzylidene)chroman-4-one (CAS 110064-50-1)
- 1234351-86-0 (2Z)-6-Hydroxy-2-(2-methoxybenzylidene)-1-benzofuran-3(2H)-one MFCD04144687 (CAS 1234351-86-0)
- (2Z)-6-Hydroxy-2-(3-methoxybenzylidene)-1-benzofuran-3(2H)-one (CAS 1234351-88-2)
- (Z)-6-Hydroxy-2-(4-methoxybenzylidene)benzofuran-3(2H)-one (CAS 1234351-90-6)
- 7-Hydroxy-3-(3-methoxyphenyl)-4H-chromen-4-one (CAS 139256-06-7)
- 1-Hydroxy-2-(methoxymethyl)anthracene-9,10-dione (CAS 174568-52-6)
- 1-(6-Hydroxy-2-(4-hydroxyphenyl)benzofuran-3-yl)ethanone (CAS 2726-50-3)
- 1-Hydroxy-5-methoxy-2-methylanthracene-9,10-dione (CAS 64809-72-9)
Recommended Standards
- 11-Oxo-6,11-dihydrodibenzo[b,e]oxepin-2-yl acetate (CAS 294853-36-4)
- 1,8-Dimethoxyanthracene-9,10-dione (CAS 6407-55-2)
- 1-Hydroxy-8-methoxy-2-methylanthracene-9,10-dione (CAS 51996-00-0)
- 1,4-Dimethoxyanthracene-9,10-dione (CAS 6119-74-0)
- 1-Cyclodecyl-2-Fluoroethanone (CAS 122128-58-9)
- Methyl 1-(5-(3-chlorothiophen-2-yl)-3-cyano-1H-pyrrol-2-yl)piperidine-4-carboxylate (CAS 477854-08-3)
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