5,7-Dimethyl-1-indanone CAS 6682-69-5
| CAS No. | 6682-69-5 |
| Molecular Formula | C11H12O |
| Molecular Weight | 160.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-Dimethyl-1-indanone (CAS 6682-69-5), molecular formula C11H12O and molecular weight 160.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5,7-Dimethyl-1-indanone (C11H12O) contains 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 160.21 g/mol, it falls into the medium-molecular-weight range. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C11H12O |
| Molecular Weight | 160.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Dimethyl Standards
- 2-(2,2-Dimethyl-1,3-dioxan-5-yl)ethan-1-ol (CAS 102147-75-1)
- 2,2-Dimethyl-1-indanone (CAS 10489-28-8)
- 2-(5,5-Dimethyl-1,3-dioxan-2-yl)ethan-1-ol (CAS 116141-68-5)
- (R)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)propan-1-ol (CAS 133008-08-9)
- 5,6-Dimethyl-2,3-dihydro-1H-inden-1-one (CAS 16440-97-4)
- 6,7-DIMETHYL-2,3-DIHYDRO-1H-INDEN-1-ONE (CAS 16440-98-5)
- 4,6-Dimethyl-2,3-dihydro-1H-inden-1-one (CAS 1685-81-0)
- 3,6-Dimethyl-2,3-dihydro-1h-inden-1-one (CAS 17714-94-2)
Recommended Standards
- 5,6,7,8-Tetrahydronaphthalene-2-carbaldehyde (CAS 51529-97-6)
- 5-Ethyl-2,3-dihydro-1H-inden-1-one (CAS 4600-82-2)
- 5,6,7,8-Tetrahydronaphthalene-1-carbaldehyde (CAS 41828-13-1)
- 5-Ethyl-2-methylbenzofuran (CAS 225933-80-2)
- 2-((5-(2,4-Dichlorophenyl)-4-phenyl-4h-1,2,4-triazol-3-yl)thio)acetic acid (CAS 158773-87-6)
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