3-Methoxynaphthalene-1,2-dione CAS 14557-84-7
| CAS No. | 14557-84-7 |
| Molecular Formula | C11H8O3 |
| Molecular Weight | 188.18 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.
3-Methoxynaphthalene-1,2-dione (CAS 14557-84-7), molecular formula C11H8O3 and molecular weight 188.18 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3-Methoxynaphthalene-1,2-dione (C11H8O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C11H8O3 |
| Molecular Weight | 188.18 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Methoxynaphthalene Standards
- 6-Methoxynaphthalene-1,4-dione (CAS 29263-68-1)
- 1-Ethyl-5-methoxynaphthalene (CAS 61982-89-6)
- 5-methoxynaphthalene-1-carbaldehyde (CAS 134594-22-2)
- 5-methoxynaphthalene-2-carbaldehyde (CAS 56894-94-1)
- 4-methoxynaphthalene-1-thiol (CAS 91344-45-5)
- 6-Methoxynaphthalene-2-thiol (CAS 83099-40-5)
- 7-methoxynaphthalene-1-carbaldehyde (CAS 158365-55-0)
- 1-methoxynaphthalene-2-carbaldehyde (CAS 50493-10-2)
Recommended Standards
- 3-Methyl-5,7-dihydro-6H-isoxazolo[4,5-f]indol-6-one (CAS 145509-11-1)
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- 5-Hydroxy-6-phenylpyridazin-3(2H)-one (CAS 144284-87-7)
- 1-(2-Nitrophenyl)cyclopropanecarbonitrile (CAS 147644-06-2)
- 4-Methoxy-3-(trifluoromethyl)aniline hydrochloride (CAS 104044-32-8)
- Diphenyldi-p-tolylphosphonium iodide (CAS 123104-36-9)
- 6-(2-((tert-Butyldimethylsilyl)oxy)ethyl)picolinaldehyde (CAS 2378097-36-8)
- (2E)-3-hydroxy-1-(pyridin-4-yl)-2-(p-tolyldiazenyl)prop-2-en-1-one (CAS 338414-03-2)
- 2-Bromo-N-methyl-N-(prop-2-yn-1-yl)acetamide (CAS 59130-50-6)
- (1R,2S)-2-Aminocycloheptane-1-carboxylic acid (CAS 522644-03-7)
- 4-(Benzyloxy)-2'-fluoro[1,1'-biphenyl]-3-carbaldehyde (CAS 893735-29-0)
- n-(2-(Pyridin-3-yl)ethyl)thieno[2,3-d]pyrimidin-4-amine (CAS 1183118-96-8)
- N-(2-Ethoxyphenyl)-4,4-dimethyl-4,5-dihydro-1,3-thiazol-2-amine (CAS 519150-60-8)
- TRAF6 Control Peptide trifluoroacetate salt (CAS 852690-80-3)
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