4-(2-Ethoxy-4-formylphenoxymethyl)benzoic acid CAS 428504-64-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 428504-64-7 |
| Molecular Formula | C17H16O5 |
| Molecular Weight | 300.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Ethoxy-4-formylphenoxymethyl)benzoic acid (CAS 428504-64-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H16O5. Molecular weight: 300.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H16O5 |
| Molecular Weight | 300.31 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Ethoxy Standards
- 5-[2-(2-Ethoxy-2-oxoethyl)-3-oxo-1-piperazinyl]-5-oxopentanoic acid (CAS 1025063-22-2)
- 2-Ethoxy-4-formylphenyl 4-methoxybenzoate (CAS 443729-96-2)
- Ethyl 4-((2-ethoxy-2-oxoethyl)thio)-6-methyl-2-oxo-1,2-dihydropyrimidine-5-carboxylate (CAS 900002-07-5)
- 1-Ethoxy-2,3-difluoro-4-((4-propylphenyl)ethynyl)benzene (CAS 124794-57-6)
- 3-Ethoxy-4-((2-methylbenzyl)oxy)benzohydrazide (CAS 1706444-30-5)
- 3-Ethoxy-4-[2-(3-methylphenoxy)ethoxy]benzaldehyde (CAS 292173-04-7)
- 3-Ethoxy-4-[2-(4-methylphenoxy)ethoxy]benzaldehyde (CAS 299936-84-8)
- 4-Ethoxy-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)benzamide (CAS 946281-53-4)
Recommended Standards
- 4-(2,5-Dimethoxybenzoyl)phenyl acetate (CAS 890100-21-7)
- 4-(6-Methoxy-3-(methoxymethyl)benzofuran-2-yl)benzene-1,3-diol (CAS 62723-06-2)
- 4-((5-Formyl-2-methoxybenzyl)oxy)-3-methoxybenzaldehyde (CAS 438220-55-4)
- (R)-3-(1-aminoethyl)aniline hydrochloride (CAS 1391439-77-2)
- Methyl 3-(2-amino-1,3-thiazol-4-yl)propanoate (CAS 398472-21-4)
- 4-(Tert-pentyl)benzenesulfonamide (CAS 781657-37-2)
- 6,6'-((9,10-Dioxo-9,10-dihydroanthracene-1,4-diyl)bis(azanediyl))bis(3-butylbenzenesulfonic acid) (CAS 3773-10-2)
- 3,6-Di-sec-butylpyrazin-2(1H)-one (CAS 17005-09-3)
- 3-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)piperidine (CAS 1260827-52-8)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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