2-[Difluoro-(3,4,5-trifluorophenoxy)Methyl]-5-(4-ethylphenyl)-1,3-difluoro-benzene CAS 303186-19-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303186-19-8 |
| Molecular Formula | C21H13F7O |
| Molecular Weight | 414.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-[Difluoro-(3,4,5-trifluorophenoxy)Methyl]-5-(4-ethylphenyl)-1,3-difluoro-benzene (CAS 303186-19-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H13F7O. Molecular weight: 414.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H13F7O |
| Molecular Weight | 414.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
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- 2,2-Difluoro-N-(4-(trifluoromethoxy)phenyl)-2-(3-(trifluoromethyl)phenoxy)acetamide (CAS 338792-04-4)
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Recommended Standards
- 8-tert-Butyl-4-(3,4-dichlorobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326812-81-0)
- N-(4-((4-bromophenyl)thio)phenyl)-3-methoxybenzamide (CAS 339031-24-2)
- 8-tert-Butyl-4-(2,4-dichlorobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326812-17-2)
- 4-Chloro-3-(difluoromethyl)-2-fluorobenzaldehyde (CAS 2384035-81-6)
- Methyl 2-amino-2-(4-(benzyloxy)phenyl)acetate (CAS 71829-83-9)
- Norfloxacin Impurity 8 (CAS 75001-83-1)
- Des-Hyp-Pasireotide (CAS CATO-C4X-20084)
- N-(3,4-Dichlorophenyl)-2,2,2-trifluoroacetamide (CAS 64694-85-5)
- Methyl 3,7-dibromoquinoline-2-carboxylate (CAS 1823865-17-3)
- D-Ile12-Tirzepatide (CAS CATO-CPTD788921)
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