5,6-Dimethoxy-3-methyl-2,3-dihydro-1H-inden-1-one CAS 4082-25-1
| CAS No. | 4082-25-1 |
| Molecular Formula | C12H14O3 |
| Molecular Weight | 206.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 206.24 g/mol gives 5,6-Dimethoxy-3-methyl-2,3-dihydro-1H-inden-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5,6-Dimethoxy-3-methyl-2,3-dihydro-1H-inden-1-one (CAS 4082-25-1), molecular formula C12H14O3 and molecular weight 206.24 g/mol, is a CATO reference standard with documented purity and traceability.
5,6-Dimethoxy-3-methyl-2,3-dihydro-1H-inden-1-one (C12H14O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 5,6-Dimethoxy-3-methyl-2,3-dihydro-1H-inden-1-one 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 | C12H14O3 |
| Molecular Weight | 206.24 g/mol |
| Appearance | Off-white to pale 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Dimethoxy Standards
- 5,8-Dimethoxy-3,4-dihydronaphthalen-1(2H)-one (CAS 1015-55-0)
- 6,7-Dimethoxy-3,4-dihydronaphthalen-1(2H)-one (CAS 13575-75-2)
- 4,5-Dimethoxy-2-methyl-2,3-dihydro-1H-inden-1-one (CAS 138261-10-6)
- 1,4-Dimethoxy-6-tetralone (CAS 37464-90-7)
- 4,6-Dimethoxy-2,3-dimethylbenzofuran (CAS 92847-75-1)
- 4,6-Dimethoxy-5-methyl-2,3-dihydro-1H-inden-1-one (CAS 57122-06-2)
- 4,7-Dimethoxy-2,3-dihydro-1h-indene-5-carbaldehyde (CAS 38998-06-0)
- 4,7-Dimethoxy-2-methyl-2,3-dihydro-1H-inden-1-one (CAS 59743-69-0)
Recommended Standards
- 5,6-Dimethoxy-3,4-dihydronaphthalen-2(1H)-one (CAS 52644-01-6)
- 5,7-Dimethoxy-2-methyl-2,3-dihydro-1H-inden-1-one (CAS 61227-52-9)
- 5,6-Dimethoxy-3,4-dihydronaphthalen-1(2H)-one (CAS 24039-89-2)
- 5,7-Dimethoxy-3,4-dihydronaphthalen-1(2H)-one (CAS 20875-61-0)
- 8-Ethoxy-4,4-dimethyl-4,5-dihydro-1h-[1,2]dithiolo[3,4-c]quinoline-1-thione (CAS 7345-50-8)
- N-((1,5-dihydrobenzo[e][1,3]dioxepin-3-yl)methyl)-4-methoxyaniline (CAS 312585-47-0)
- (4,4-Difluoro-1-(pyridin-3-ylmethyl)cyclohexyl)methanamine dihydrochloride (CAS 1982072-05-8)
- 1-Cyclopropyl-5-methyl-1H-1,2,3-triazole-4-carbaldehyde (CAS 1782470-53-4)
- 2,2,2-Trifluoroethyl n-(6-ethyl-1,3-benzothiazol-2-yl)carbamate (CAS 1306606-88-1)
- Disodium 4,4＇-Bis(2-sulfonatostyryl)biphenyl (CAS 27344-41-8)
- (S)-6,7-dihydro-5H-cyclopenta[c]pyridine-1,5-diamine (CAS 2231664-71-2)
- 3-(2-Methoxy-5-methylphenyl)-2,2-dimethylpropan-1-amine (CAS 1267818-55-2)
- 3,4,6-Trimethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 4081-82-7)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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