5-Bromo-1-chloro-2-(cyclopentyloxy)-3-fluorobenzene CAS 1881320-70-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1881320-70-2
Molecular FormulaC11H11BrClFO
Molecular Weight293.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Bromo-1-chloro-2-(cyclopentyloxy)-3-fluorobenzene CAS 1881320-70-2 chemical structure

Description

The occurrence of 5-Bromo-1-chloro-2-(cyclopentyloxy)-3-fluorobenzene is closely related to a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-Bromo-1-chloro-2-(cyclopentyloxy)-3-fluorobenzene (CAS 1881320-70-2) is a high-purity analytical reference standard with the molecular formula C11H11BrClFO and a molecular weight of 293.56 g/mol.

Owing to a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system, 5-Bromo-1-chloro-2-(cyclopentyloxy)-3-fluorobenzene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 293.56 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 FormulaC11H11BrClFO
Molecular Weight293.56 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995
Halogen ContentF/Cl/Br-containing

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