4-(2-Ethoxyphenoxy)butanoic acid CAS 721416-38-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 721416-38-2 |
| Molecular Formula | C12H16O4 |
| Molecular Weight | 224.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(2-Ethoxyphenoxy)butanoic acid (CAS 721416-38-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H16O4. Molecular weight: 224.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H16O4 |
| Molecular Weight | 224.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Related Ethoxyphenoxy Standards
- 2-(4-Ethoxyphenoxy)-2-methylpropanoic acid (CAS 154548-95-5)
- 2-(4-Ethoxyphenoxy)propanehydrazide (CAS 727704-73-6)
- 3-(4-Ethoxyphenoxy)-2,2-dimethylpropan-1-amine (CAS 1225686-05-4)
- 1-(2-Ethoxyphenoxy)-3-(methylamino)propan-2-ol (CAS 14754-63-3)
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- 2-((2-Ethoxyphenoxy)methyl)-4,5-dihydro-1H-imidazole (CAS 791730-46-6)
Recommended Standards
- 4-(2,4-Dimethoxyphenyl)butanoic acid (CAS 96818-18-7)
- 4-(2-Fluoro-4-methoxyphenyl)thiazol-2-amine (CAS 718596-15-7)
- 4-(2,3-Dimethoxyphenyl)butanoic Acid (CAS 64400-76-6)
- 7-Methoxy-2,3-diphenylpyrazino[2,3-b]quinoxaline (CAS 18216-57-4)
- 3,4-Difluoro-N-(2-(furan-3-yl)ethyl)benzenesulfonamide (CAS 1428367-47-8)
- N-(5-Amino-2-fluorophenyl)-3-propoxybenzamide (CAS 1020053-92-2)
- 5-(tert-Butyl)benzofuran-3(2H)-one (CAS 1153450-52-2)
- 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-nonadecafluorodecanamide 307-40-4 Perfluorodecanamide (CAS 307-40-4)
- Aloe-emodin-3-(hydroxymethyl)-O-beta-D-glucopyranoside (CAS 50488-89-6)
- Semaglutide impurity 195 (CAS CATO-C4X-2226195)
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 13829788188 / jacky.chen@cato-chem.com