2-Ethyl-2-methylcyclohexane-1,3-dione CAS 25112-82-7
| CAS No. | 25112-82-7 |
| Molecular Formula | C9H14O2 |
| Molecular Weight | 154.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Ethyl-2-methylcyclohexane-1,3-dione is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Ethyl-2-methylcyclohexane-1,3-dione (CAS 25112-82-7), molecular formula C9H14O2 and molecular weight 154.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H14O2, 2-Ethyl-2-methylcyclohexane-1,3-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 154.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2-Ethyl-2-methylcyclohexane-1,3-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 | C9H14O2 |
| Molecular Weight | 154.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
Related Ethyl Standards
- Methyl 1-methylcyclohexane-1-carboxylate (CAS 825-04-7)
- 4-Methylcyclohexane-1-carbonyl chloride (CAS 58752-86-6)
- 1-Methylcyclohexane-1-carboxamide (CAS 1123-24-6)
- 2-Acetyl-5-methylcyclohexane-1,3-dione (CAS 81930-38-3)
- 4-Methylcyclohexane-1-carboximidamide (CAS 1248947-50-3)
- 3-Ethyl-1-methylcyclohexane-1-carboxylic acid (CAS 855348-11-7)
- Ethyl 1-methylcyclohexane-1-carboxylate (CAS 6553-85-1)
- Ethyl 4-methylcyclohexane-1-carboxylate (CAS 7133-31-5)
Recommended Standards
- 2-Cyano-n-pentylacetamide (CAS 39488-46-5)
- 2-Hexynoic acid, 5-methyl-, ethyl ester (CAS 65236-42-2)
- 2-Cyano-N-isopentylacetamide (CAS 500302-85-2)
- 2-Hydrazonooctahydro-1H-benzo[d]imidazole (CAS 777016-22-5)
- 4-(Bicyclo[1.1.1]Pentan-1-yl)benzenesulfonyl chloride (CAS 1674295-54-5)
- 2-(2-chlorophenyl)-3-oxo-3-(pyridin-3-yl)propanenitrile (CAS 1291439-19-4)
- 4-(Difluoromethyl)-3-fluoro-6-(trifluoromethoxy)picolinic acid (CAS 1804810-77-2)
- 1-[(1-ethyl-1h-pyrazol-4-yl)sulfonyl]piperidine-4-carboxylic acid (CAS 925606-80-0)
- 7-chloro-1-(2-ethoxyethyl)-1H-1,3-benzodiazole-2-carbaldehyde (CAS 1437435-68-1)
- 2-(4,5,6,7-Tetrahydro-2H-pyrazolo[4,3-c]pyridin-2-yl)ethan-1-ol hydrochloride (CAS 1612173-24-6)
- Ammonium, dimethyl[(methylthio)methylene]-, iodide (CAS 29085-13-0)
- (4S,5S)-2-(3-Nitrophenyl)-1,3,2-dioxaborolane-4,5-dicarboxylic acid (CAS 1072944-27-4)
- (3-Nitropyridin-4-yl)methanol (CAS 1706430-22-9)
- Cycloaspeptide D (CAS 691363-62-9)
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