5,5-Dimethyl-3-oxocyclohex-1-en-1-yl 4-methylbenzoate CAS 477854-95-8
| CAS No. | 477854-95-8 |
| Molecular Formula | C16H18O3 |
| Molecular Weight | 258.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5,5-Dimethyl-3-oxocyclohex-1-en-1-yl 4-methylbenzoate (CAS 477854-95-8) is a high-purity analytical reference standard with the molecular formula C16H18O3 and a molecular weight of 258.31 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 5,5-Dimethyl-3-oxocyclohex-1-en-1-yl 4-methylbenzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 258.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5,5-Dimethyl-3-oxocyclohex-1-en-1-yl 4-methylbenzoate 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 | C16H18O3 |
| Molecular Weight | 258.31 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.) | 2025 |
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Recommended Standards
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- 2-(Piperazin-1-yl)-6-propylpyrimidin-4(3H)-one (CAS 1082429-25-1)
- (5E)-3-Benzyl-5-{[2-(cyclohexylsulfanyl)phenyl]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 273731-76-3)
- 4-Iodopyridine-2-carboxylic Acid (CAS 405939-79-9)
- 5-(Benzyloxy)-1-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid (CAS 119736-19-5)
- 9-Bromophenanthren-3-amine (CAS 7473-67-8)
- (9-D-Asp) Semaglutide X Sodium salt (CAS CATO-CPTD788617)
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