Ethyl 4-(4-(hexyloxy)phenyl)-4-oxobutanoate CAS 898757-87-4
| CAS No. | 898757-87-4 |
| Molecular Formula | C18H26O4 |
| Molecular Weight | 306.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 4-(4-(hexyloxy)phenyl)-4-oxobutanoate 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.
Ethyl 4-(4-(hexyloxy)phenyl)-4-oxobutanoate (CAS 898757-87-4), molecular formula C18H26O4 and molecular weight 306.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 4-(4-(hexyloxy)phenyl)-4-oxobutanoate (C18H26O4) contains a steroid core, a hydroxyl group, an ether linkage. 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 306.40 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C18H26O4 |
| Molecular Weight | 306.40 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Ethyl Standards
- 4-(((4-(Hexyloxy)phenyl)imino)methyl)benzonitrile (CAS 54842-56-7)
- 4-((4-(Hexyloxy)benzylidene)amino)benzonitrile (CAS 35280-78-5)
- 4,5-Bis(hexyloxy)benzene-1,2-diamine (CAS 86723-21-9)
- 2-[3-(Hexyloxy)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 921937-75-9)
- 2-[4-(Hexyloxy)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 921937-76-0)
- 1-(Hexyloxy)-3-iodobenzene (CAS 1092514-59-4)
- 1-(Hexyloxy)-4-iodobenzene (CAS 85557-94-4)
- 2-(4-(Hexyloxy)phenyl)pyrimidine-5-carboxylic acid (CAS 65586-80-3)
Recommended Standards
- Ethyl 2-(methylthio)-5-(phenylthio)pyrimidine-4-carboxylate (CAS 61727-12-6)
- Ethyl 7-(4-methoxy-3,5-dimethylphenyl)-7-oxoheptanoate (CAS 898751-10-5)
- Diethyl 2-(2,6-diethyl-4-methylphenyl)malonate (CAS 328932-70-3)
- Ethyl 7-oxo-7-(4-isopropoxyphenyl)heptanoate (CAS 898757-75-0)
- N-(4-ethynyl-2-pyridyl)acetamide (CAS 1445876-40-3)
- 2-(3,3-Dimethoxycyclohexyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2377587-37-4)
- ((3aR,5R,6S,6aR)-6-Hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)methyl methyl carbonate (CAS 5432-33-7)
- 2-Bromo-1-propoxy-4-(trifluoromethyl)benzene (CAS 1881329-92-5)
- N-((5-thioxo-2,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)benzamide (CAS 320420-23-3)
- Ethyl 2-(4-fluorophenyl)-5-iodopyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1956381-64-8)
- 1-(1-Methyl-1h-imidazol-2-yl)pyrrolidine-3-carboxylic acid (CAS 1339565-89-7)
- 2,2-Dimethylcyclohexane-1-carbaldehyde (CAS 13155-56-1)
- 5-Aminoisoquinolin-6-ol (CAS 163672-82-0)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com