3,4-Dichloro-5-(trifluoromethyl)benzoyl chloride CAS 1706458-07-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1706458-07-2
Molecular FormulaC8H2Cl3F3O
Molecular Weight277.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Dichloro-5-(trifluoromethyl)benzoyl chloride CAS 1706458-07-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 277.46 g/mol gives 3,4-Dichloro-5-(trifluoromethyl)benzoyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,4-Dichloro-5-(trifluoromethyl)benzoyl chloride (CAS 1706458-07-2) is a high-purity analytical reference standard with the molecular formula C8H2Cl3F3O and a molecular weight of 277.46 g/mol.

Based on its molecular formula C8H2Cl3F3O, 3,4-Dichloro-5-(trifluoromethyl)benzoyl chloride contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 277.46 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 FormulaC8H2Cl3F3O
Molecular Weight277.46 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Halogen ContentF/Cl-containing

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