2,4-D 2-Ethylhexyl Ester CAS 1928-43-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1928-43-4 |
| Molecular Formula | C16H22Cl2O3 |
| Molecular Weight | 333.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,4-D 2-Ethylhexyl Ester (CAS 1928-43-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H22Cl2O3. Molecular weight: 333.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H22Cl2O3 |
| Molecular Weight | 333.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related D Standards
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Recommended Standards
- Melphalan Impurity 39 (CAS CATO-C4X-198839)
- 2,4-D isooctyl ester (CAS 25168-26-7)
- N-(4-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)cyclohexanamine (CAS 2096340-16-6)
- (4-Fluorophenyl)(cis-hexahydropyrrolo[3,4-b]pyrrol-1(2H)-yl)methanone (CAS 1218603-15-6)
- 1-[(3-Chlorophenyl)methyl]-2-oxo-N-(1,3-thiazol-2-yl)-1,2-dihydropyridine-3-carboxamide (CAS 339008-72-9)
- 4-Chloro-6-phenyl-[1,2,3]triazolo[1,5-a]pyrazine (CAS 1708013-51-7)
- Norepinephrine Impurity 18 (CAS CATO-C4X-151418)
- 1-(5-Chloropyridin-2-yl)-4-methyl-4,5-dihydro-1H-pyrazol-3-amine (CAS 85964-18-7)
- 2-Methyl-[1,1'-biphenyl]-4-carbaldehyde (CAS 1256468-34-4)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com