3-Ethoxy-1,2,4,5-tetrafluorobenzene CAS 42099-81-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42099-81-0 |
| Molecular Formula | C8H6F4O |
| Molecular Weight | 194.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethoxy-1,2,4,5-tetrafluorobenzene (CAS 42099-81-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6F4O. Molecular weight: 194.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6F4O |
| Molecular Weight | 194.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Halogen Content | F-containing |
Related Ethoxy Standards
- 5-Ethoxy-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 676487-71-1)
- 2-Ethoxy-5-formylbenzoic acid (CAS 848606-43-9)
- 4-Ethoxy-3-formylbenzoic acid (CAS 911001-10-0)
- 3-Ethoxy-1-(2-fluorophenyl)prop-2-en-1-one (CAS 1344803-96-8)
- 3-Ethoxy-1-(4-fluorophenyl)prop-2-en-1-one (CAS 1344832-42-3)
- (4-Ethoxy-2,5-dimethylphenyl)boronic acid (CAS 1217500-56-5)
- (4-Ethoxy-2,6-dimethylphenyl)boronic acid (CAS 1315342-15-4)
- (2-Ethoxy-3,5-dimethylphenyl)boronic acid (CAS 1334221-08-7)
Recommended Standards
- 3,3-Difluoro-1-(methoxycarbonyl)cyclobutane-1-carboxylicacid (CAS 2168018-78-6)
- 3-Fluoro-5-(trifluoromethyl)anisole (CAS 261951-79-5)
- 2-Fluoro-3-methyl-5-(trifluoromethyl)phenol (CAS 2383817-73-8)
- 5-Fluoro-3-methylpyridine-2-boronic acid (CAS 2377606-62-5)
- 3-Methoxy-6-methylpyrazin-2-amine (CAS 89464-88-0)
- p-Nitrophenyl palmitate (CAS 1492-30-4)
- 5-Amino-1-(4-chlorobenzyl)-N-(3-fluorophenyl)-1H-1,2,3-triazole-4-carboxamide (CAS 900013-58-3)
- 4-Methoxyphenyl 5-(1,2,3-thiadiazol-4-yl)thiophene-2-sulfonate (CAS 338400-13-8)
- Methyl diphenylcarbamodithioate (CAS 71195-52-3)
- 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