5,5-Dimethyl-2-[2-(4-methylphenyl)-2-oxoethyl]cyclohexane-1,3-dione CAS 893727-50-9
| CAS No. | 893727-50-9 |
| Molecular Formula | C17H20O3 |
| Molecular Weight | 272.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 272.34 g/mol gives 5,5-Dimethyl-2-[2-(4-methylphenyl)-2-oxoethyl]cyclohexane-1,3-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5,5-Dimethyl-2-[2-(4-methylphenyl)-2-oxoethyl]cyclohexane-1,3-dione (CAS 893727-50-9) is a high-purity analytical reference standard with the molecular formula C17H20O3 and a molecular weight of 272.34 g/mol.
Structurally, 5,5-Dimethyl-2-[2-(4-methylphenyl)-2-oxoethyl]cyclohexane-1,3-dione (C17H20O3) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 272.34 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.
As a certified reference material (CRM), 5,5-Dimethyl-2-[2-(4-methylphenyl)-2-oxoethyl]cyclohexane-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 | C17H20O3 |
| Molecular Weight | 272.34 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
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Recommended Standards
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- 2-Acryloxy-4-methyl-4-(N,N-dimethylamino)benzophenone (CAS 473975-14-3)
- (6-Methoxynaphthalen-2-yl)(phenyl)methanone (CAS 84255-35-6)
- 2,2,5-Trimethylhex-4-enal (CAS 1000-30-2)
- (R)-1-(naphthalen-1-yl)ethanamine (R)-2-hydroxy-2-phenylacetate (CAS 1073144-62-3)
- tert-Butyl ethynyl(phenyl)carbamate (CAS 1019202-25-5)
- 5-Cyclopropyl-3-(2,6-dichlorophenyl)isoxazole-4-carboxylic Acid (CAS 2191434-19-0)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
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