2-Chloro-1,4-difluoro-3-(trifluoromethoxy)benzene CAS 1261737-56-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261737-56-7 |
| Molecular Formula | C7H2ClF5O |
| Molecular Weight | 232.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-1,4-difluoro-3-(trifluoromethoxy)benzene (CAS 1261737-56-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H2ClF5O. Molecular weight: 232.54 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H2ClF5O |
| Molecular Weight | 232.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1990 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
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- 3-Chloro-6-(perfluoroethyl)pyridazine (CAS 1206524-29-9)
- 2-Chloro-6-(perfluoroethyl)pyrazine (CAS 1206524-40-4)
- 2-Chloro-1,3-difluoro-5-(trifluoromethoxy)benzene (CAS 1261473-03-3)
- 1-Chloro-2,4-difluoro-5-(trifluoromethoxy)benzene (CAS 1261769-17-8)
- 1-Chloro-2,4-difluoro-3-(trifluoromethoxy)benzene 1261811-61-3 (CAS 1261811-61-3)
- 2-[Chloro(difluoro)methoxy]-1,3,5-trifluoro-benzene (CAS 1404193-53-8)
- 2-[Chloro(difluoro)methoxy]-1,3,4-trifluoro-benzene (CAS 1404193-81-2)
Recommended Standards
- N-Methyl-3-(trichloromethyl)-1,2,4-thiadiazol-5-amine (CAS 35488-66-5)
- 5-[Chloro(difluoro)methoxy]-1,2,3-trifluoro-benzene (CAS 1404194-58-6)
- 3-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1983152-93-7)
- ethyl 7-nitro-2-phenyl-1H-indole-5-carboxylate (CAS 1120334-30-6)
- 2-Bromo-4-chloro-5-fluorophenol (CAS 157165-23-6)
- 3-Oxo-4-(1,3,3-trimethylindolin-2-ylidene)butanenitrile (CAS 97214-25-0)
- 2-(3-Methylpiperidin-1-yl)-N-(4-phenoxyphenyl)acetamide (CAS 69838-27-3)
- 2-Vinylphenylboronic Acid (CAS 15016-42-9)
- 5-Fluoro-2-(trifluoromethoxy)benzoic acid (CAS 1092460-83-7)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
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