5,6-Dimethoxy-3,3-dimethyl-2,3-dihydro-1H-inden-1-one CAS 4136-26-9
| CAS No. | 4136-26-9 |
| Molecular Formula | C13H16O3 |
| Molecular Weight | 220.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5,6-Dimethoxy-3,3-dimethyl-2,3-dihydro-1H-inden-1-one.
5,6-Dimethoxy-3,3-dimethyl-2,3-dihydro-1H-inden-1-one (CAS 4136-26-9), molecular formula C13H16O3 and molecular weight 220.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5,6-Dimethoxy-3,3-dimethyl-2,3-dihydro-1H-inden-1-one (C13H16O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 220.26 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 5,6-Dimethoxy-3,3-dimethyl-2,3-dihydro-1H-inden-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H16O3 |
| Molecular Weight | 220.26 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
- 2,2-Dimethoxy-5-methyl-3-phenyl-2,3-dihydrofuran (CAS 106180-81-8)
- 5,8-Dimethoxy-2,2-dimethyl-2H-chromene (CAS 113949-29-4)
- 5,7-Dimethoxy-2,2-dimethyl-2,3-dihydro-1H-inden-1-one (CAS 1188142-81-5)
- 3-Ethyl-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one (CAS 15547-73-6)
- 1,2-Dimethoxy-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-one (CAS 54130-94-8)
- 1,4-Dimethoxy-5,6,7,8-tetrahydronaphthalene-2-carbaldehyde (CAS 83495-12-9)
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Recommended Standards
- 5-(4-Methoxyphenyl)-2,2-dimethyldihydrofuran-3(2H)-one (CAS 81791-31-3)
- 5,7-Dimethoxy-3,3-dimethyl-2,3-dihydro-1H-inden-1-one (CAS 618084-66-5)
- 5-(4-Ethylphenyl)-5-oxovaleric acid (CAS 34670-04-7)
- 5-Butyl-7-methoxybenzofuran-4-ol (CAS 99107-50-3)
- 1-(2-Bromo-4-nitrophenyl)ethan-1-one (CAS 90004-93-6)
- N-(4-(2-(2-((4-methoxyphenyl)carbamothioyl)hydrazinyl)-2-oxoethoxy)phenyl)acetamide (CAS 151392-10-8)
- 7-Hydroxy-3-(1-phenyl-1h-pyrazol-4-yl)-2-(trifluoromethyl)-4h-chromen-4-one (CAS 51412-01-2)
- 2-Fluoro-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 1824337-84-9)
- Ethyl 2-(but-3-en-1-yl)-5-iodobenzoate (CAS 1131587-19-3)
- 3-Cyclopropoxy-5-formylbenzamide (CAS 1243480-33-2)
- Perfluoro(1,3-diethylcyclohexane) (CAS 335-23-9)
- N-[(3-Chlorophenyl)methyl]-N-(2-{N-[(3-chlorophenyl)methyl]4-methoxybenzenesulfonamido}ethyl)-4-methoxybenzene-1-sulfonamide (CAS 338775-09-0)
- 3,3-Difluorospiro[3.3]heptane-1-carboxylic acid (CAS 2680529-49-9)
- Neuropeptide AF (human) (CAS 192387-38-5)
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