1-(4-Bromo-3-chloro-2-hydroxyphenyl)-2-chloroethanone CAS 1706436-37-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1706436-37-4
Molecular FormulaC8H5BrCl2O2
Molecular Weight283.93 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4-Bromo-3-chloro-2-hydroxyphenyl)-2-chloroethanone CAS 1706436-37-4 chemical structure

Description

The occurrence of 1-(4-Bromo-3-chloro-2-hydroxyphenyl)-2-chloroethanone is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-(4-Bromo-3-chloro-2-hydroxyphenyl)-2-chloroethanone (CAS 1706436-37-4), molecular formula C8H5BrCl2O2 and molecular weight 283.93 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H5BrCl2O2, 1-(4-Bromo-3-chloro-2-hydroxyphenyl)-2-chloroethanone contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 283.93 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 FormulaC8H5BrCl2O2
Molecular Weight283.93 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Halogen ContentCl/Br-containing

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Why CATO?