4-Methoxy-1-naphthalenepropanoic Acid Ethyl Ester CAS 861354-99-6
| CAS No. | 861354-99-6 |
| Molecular Formula | C16H18O3 |
| Molecular Weight | 258.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Methoxy-1-naphthalenepropanoic Acid Ethyl Ester.
4-Methoxy-1-naphthalenepropanoic Acid Ethyl Ester (CAS 861354-99-6), molecular formula C16H18O3 and molecular weight 258.31 g/mol, is a CATO reference standard with documented purity and traceability.
4-Methoxy-1-naphthalenepropanoic Acid Ethyl Ester (C16H18O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | 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.) | 1987 |
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Recommended Standards
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- 5-(3-Hydroxy-2-phenylpropyl)-2-methoxyphenol (CAS 51458-20-9)
- Calcitonin (eel) (CAS 57014-02-5（free base）)
- Ethyl 2-ethyl-5-methylpyrazole-3-carboxylate (CAS 50920-64-4)
- tert-Butyl 5-(hydroxymethyl)indoline-1-carboxylate (CAS 350683-41-9)
- 2-Chloro-N-(4,6-dimethoxypyrimidin-2-yl)acetamide (CAS 181270-85-9)
- Ethyl 2-[(3-Bromo-4-pyridyl)thio]-2-methylpropanoate (CAS 1352794-86-5)
- Benzofuran-2-yl-(3-N-Boc-amino-azetidin-1-yl)-acetic acid (CAS 885275-29-6)
- (5-Aminopyrazin-2-yl)dimethylphosphine oxide (CAS 2361977-52-6)
- [8]-Dehydroparadol (CAS 53172-12-6)
- 3,4-Dihydro-2H-pyrazolo[1,5-e][1,2,5]thiadiazine-8-carboxylic acid 1,1-dioxide (CAS 2138111-19-8)
- Semaglutide (CAS CATO-C4X-2226105)
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