3-(2-Ethoxyphenyl)-2-oxopropanoic acid CAS 857763-64-5
| CAS No. | 857763-64-5 |
| Molecular Formula | C11H12O4 |
| Molecular Weight | 208.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(2-Ethoxyphenyl)-2-oxopropanoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
3-(2-Ethoxyphenyl)-2-oxopropanoic acid (CAS 857763-64-5), molecular formula C11H12O4 and molecular weight 208.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(2-Ethoxyphenyl)-2-oxopropanoic acid (C11H12O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. 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 208.21 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C11H12O4 |
| Molecular Weight | 208.21 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Ethoxyphenyl Standards
- Methyl 2-(2-ethoxyphenyl)-2-oxoacetate (CAS 1443309-42-9)
- Methyl 2-(3-ethoxyphenyl)-2-oxoacetate (CAS 1443351-00-5)
- 3-(4-Ethoxyphenyl)-2-oxopropanoic acid (CAS 175897-64-0)
- 3-(3-Ethoxyphenyl)-2-oxopropanoic acid (CAS 858276-63-8)
- Methyl 2-(4-ethoxyphenyl)-2-oxoacetate (CAS 80768-36-1)
- 3-(4-ethoxyphenyl)-2-methylpropanoic acid (CAS 1017146-71-2)
- 3-(3-Ethoxyphenyl)-2-methylpropanoic acid (CAS 1017369-54-8)
- Methyl 2-(3-ethoxyphenyl)propanoate (CAS 1479914-42-5)
Recommended Standards
- 3-(2,6-Dimethoxyphenyl)acrylic acid (CAS 59131-19-0)
- 3-(3,3-Dimethylureido)benzoic acid (CAS 896160-52-4)
- 3-(2,5-Dimethoxyphenyl)-3-oxopropanal (CAS 860216-56-4)
- 3-(3-Acetoxyphenyl)propanoic acid (CAS 60549-42-0)
- 3-(4-Oxo-2-phenyl-4,5,6,7-tetrahydro-1H-indol-1-yl)propanoic acid (CAS 518349-13-8)
- 1,3-Dimethyl-4-phenyl-1H-pyrazol-5-amine (CAS 3654-22-6)
- 4-methoxy-2-methylpyrrolidine-2-carboxylic acid hydrochloride (CAS 2031259-19-3)
- 4-(1-Amino-2-methylbutan-2-yl)piperidin-4-ol (CAS 1512985-37-3)
- Ambroxol Impurity 16 (CAS CATO-C4X-108516)
- Phenolphthaloline [For redox reaction indicator] (CAS 81-90-3)
- cis-2-(3-Fluoro-5-(trifluoromethyl)benzoyl)cyclohexanecarboxylic acid (CAS 1443312-34-2)
- tert-Butyl 8-chloro-6-oxo-2,3,4,6-tetrahydro-1H-pyrimido[1,6-a]pyrimidine-1-carboxylate (CAS 1420367-18-5)
- Sofosbuvir Impurity N40 (CAS 1256490-52-4)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
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