2-[(4-ethoxyphenyl)formamido]acetic acid CAS 51220-52-1
| CAS No. | 51220-52-1 |
| Molecular Formula | C11H13NO4 |
| Molecular Weight | 223.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-[(4-ethoxyphenyl)formamido]acetic 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.
2-[(4-ethoxyphenyl)formamido]acetic acid (CAS 51220-52-1) is a high-purity analytical reference standard with the molecular formula C11H13NO4 and a molecular weight of 223.23 g/mol.
2-[(4-ethoxyphenyl)formamido]acetic acid (C11H13NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C11H13NO4 |
| Molecular Weight | 223.23 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.) | 1971 |
| Nitrogen Atoms | 1 |
Related ethoxyphenyl Standards
- 2-[(2-ethoxyphenyl)formamido]acetic acid (CAS 10263-57-7)
- 3-((2-Ethoxyphenyl)amino)-3-oxopropanoic acid (CAS 78096-14-7)
- 3-((4-Ethoxyphenyl)amino)-3-oxopropanoic acid (CAS 4270-38-6)
- n-(4-Ethoxyphenyl)tetrahydrothiophen-3-amine (CAS 1019617-48-1)
- n-(2-Ethoxyphenyl)tetrahydrothiophen-3-amine (CAS 1021123-08-9)
- n-(3-Ethoxyphenyl)tetrahydrothiophen-3-amine (CAS 1183060-60-7)
- N-(2-Ethoxyphenyl)-4,5-dihydro-1,3-thiazol-2-amine (CAS 379729-91-6)
- 2-(4-Ethoxyphenyl)-3-methylbutanoic acid (CAS 102270-89-3)
Recommended Standards
- 2,6-Dimethylpyridine-3,5-dicarboxylic acid methyl ester, >97% (CAS 27525-74-2)
- 2-[(dimethylcarbamoyl)methoxy]benzoic acid (CAS 847783-59-9)
- 2,5-Dioxopyrrolidin-1-yl hept-6-ynoate (CAS 917222-23-2)
- 2-[(methoxycarbonyl)amino]-3-phenylpropanoic acid (CAS 77357-58-5)
- 1-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-N-(4-fluorophenyl)-1H-pyrrole-2-carboxamide 338956-54-0 KS-000039ED (CAS 338956-54-0)
- 4-((3-Chlorophenoxy)methyl)benzohydrazide (CAS 832740-20-2)
- Methyl 3-iodo-8-methoxyquinoline-6-carboxylate (CAS 2639207-63-7)
- 2-p-Tolylindole, 97% (CAS 55577-25-8)
- N-[(1Z)-(Dimethylamino)methylidene]-2,5-bis(2,2,2-trifluoroethoxy)benzamide (CAS 338394-05-1)
- rel-(1R,2S,3R)-3-Aminocyclopentane-1,2-diol hydrochloride (CAS 98632-80-5)
- Phenol-amido-C1-PEG3-N3 (CAS 1096439-18-7)
- 2-(3-Methyl-2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl)benzoic acid (CAS 553636-63-8)
- N-(Benzo[d]thiazol-6-yl)-3-methylbenzamide (CAS 922966-47-0)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
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