1,2-Dichloro-3-fluoro-5-(trifluoromethyl)benzene CAS 104554-79-2
| CAS No. | 104554-79-2 |
| Molecular Formula | C7H2Cl2F4 |
| Molecular Weight | 232.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1,2-Dichloro-3-fluoro-5-(trifluoromethyl)benzene is closely related to fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1,2-Dichloro-3-fluoro-5-(trifluoromethyl)benzene (CAS 104554-79-2), molecular formula C7H2Cl2F4 and molecular weight 232.99 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H2Cl2F4, 1,2-Dichloro-3-fluoro-5-(trifluoromethyl)benzene contains fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 232.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H2Cl2F4 |
| Molecular Weight | 232.99 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 |
| 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.) | 1986 |
| Halogen Content | F/Cl-containing |
Related Dichloro Standards
- 1,3-Dichloro-2-fluoro-4-(trifluoromethyl)benzene (CAS 109292-70-8)
- 1,5-Dichloro-2-fluoro-4-(trifluoromethyl)benzene (CAS 112290-01-4)
- 1,2-Dichloro-4-fluoro-3-(trifluoromethyl)benzene (CAS 1221272-79-2)
- 1,4-Dichloro-2-fluoro-3-(trifluoromethyl)benzene (CAS 1221272-84-9)
- 2,3-Dichloro-4-fluorobenzotrifluoride (CAS 1803718-60-6)
- 2,5-Dichloro-3-fluorobenzotrifluoride (CAS 1803820-73-6)
- 2,6-Dichloro-3-fluorobenzotrifluoride (CAS 1804514-55-3)
- 2,3-Dichloro-5-fluorobenzotrifluoride (CAS 1804886-13-2)
Recommended Standards
- 2-Bromo-4,4,4-trifluoro-3-methylbut-2-enoic acid (CAS 885276-60-8)
- 2,4-Dichloro-6-(trifluoromethoxy)pyrimidine (CAS 137161-20-7)
- Silver(I) 2-(1H-imidazol-1-yl)acetate (CAS 934965-86-3)
- (3-(2,2,2-Trifluoroacetamido)phenyl)boronic acid (CAS 88978-20-5)
- 2-(5,7-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetic acid (CAS 855287-77-3)
- 1,2-Bis(1,1,2,2-tetrafluoroethoxy)ethane (CAS 358-39-4)
- 3,4-Dibromo-5,5-di-p-tolylfuran-2(5H)-one (CAS 57697-62-8)
- 2,3-Diamino-5-(trifluoromethyl)benzoic acid (CAS 910123-03-4)
- [1-(5-Fluoropyridin-2-yl)-1H-pyrazol-3-yl]-methanol (CAS 1410040-56-0)
- N-Boc-azetidine-2-carboxylic Acid (CAS 159749-28-7)
- 4-(2-Oxazolyl)aniline (CAS 62882-11-5)
- (4-Aminophenyl)methanethiol (CAS 90296-28-9)
- 5-(Difluoromethyl)-4-iodo-3-methylpyridin-2-amine (CAS 1806875-40-0)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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