2-Chloro-1-(difluoromethyl)-3,4-difluorobenzene CAS 1261561-92-5
| CAS No. | 1261561-92-5 |
| Molecular Formula | C7H3ClF4 |
| Molecular Weight | 198.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Chloro-1-(difluoromethyl)-3,4-difluorobenzene (C7H3ClF4) contains fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 198.55 g/mol, it falls into the medium-molecular-weight range. 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).
2-Chloro-1-(difluoromethyl)-3,4-difluorobenzene (CAS 1261561-92-5), molecular formula C7H3ClF4 and molecular weight 198.55 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-Chloro-1-(difluoromethyl)-3,4-difluorobenzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H3ClF4 |
| Molecular Weight | 198.55 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 |
| 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
- 1-Chloro-3-fluoro-5-(trifluoromethyl)benzene (CAS 1005764-23-7)
- 1-Chloro-3-fluoro-2-(trifluoromethyl)benzene (CAS 103889-37-8)
- 109957-97-3 2-Chloro-1-fluoro-3-(trifluoromethyl)benzene DTXSID50597490 (CAS 109957-97-3)
- 1-Chloro-2-fluoro-3-(trifluoromethyl)benzene (CAS 1099597-93-9)
- 2-Chloro-1-fluoro-3-(trifluoromethyl)benzene (CAS 1099597-97-3)
- 5-Chloro-2-(difluoromethyl)-1,3-difluorobenzene (CAS 1204296-04-7)
- 1-Chloro-4-(difluoromethyl)-2,5-difluorobenzene (CAS 1214326-75-6)
- 1-Chloro-3-(difluoromethyl)-2,4-difluorobenzene (CAS 1221272-82-7)
Recommended Standards
- 1-Chloro-4-(difluoromethyl)-2,3-difluorobenzene (CAS 1261487-96-0)
- 1-Chloro-2-(difluoromethyl)-3,5-difluorobenzene (CAS 1261846-42-7)
- 2-Chloro-3-(difluoromethyl)-1,4-difluorobenzene (CAS 1221272-89-4)
- 1-Chloro-5-(difluoromethyl)-2,4-difluorobenzene (CAS 1261869-24-2)
- beta-Myrcene-d6 (CAS 75351-99-4)
- 5-Amino-1-(4-ethoxyphenyl)-3-methyl-1H-pyrazole-4-carbonitrile (CAS 1962540-59-5)
- Methyl 2-(2,2-dimethyltetrahydro-2H-pyran-4-yl)acetate (CAS 306325-99-5)
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- 3-(4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl)benzonitrile (CAS 934558-35-7)
- 2-Ethyl-5-nitrobenzoxazole (CAS 204771-74-4)
- 6-Chloro-3-methyl-1-phenylpyrimidine-2,4(1H,3H)-dione (CAS 53680-90-3)
- 3X Flag Peptide trifluoroacetate salt (CAS 402750-12-3)
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