21921-76-6 4-BROMO-2-FORMYLFURAN 4-BROMO-2-FURANCARBOXALDEHYDE 4-BROMO-2-FURANCARBOXY ALDEHYDE 4-BROMOFURAN-2-CARBALDEHYDE 4-BROMOFURFURAL BC002477 CAS 21921-76-6

Purity 97%+In StockPharmaceutical Standards
CAS No.21921-76-6
Molecular FormulaC5H7BrO2
Molecular Weight179.01 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

21921-76-6 4-BROMO-2-FORMYLFURAN 4-BROMO-2-FURANCARBOXALDEHYDE 4-BROMO-2-FURANCARBOXY ALDEHYDE 4-BROMOFURAN-2-CARBALDEHYDE 4-BROMOFURFURAL BC002477 CAS 21921-76-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 179.01 g/mol gives 21921-76-6 4-BROMO-2-FORMYLFURAN 4-BROMO-2-FURANCARBOXALDEHYDE 4-BROMO-2-FURANCARBOXY ALDEHYDE 4-BROMOFURAN-2-CARBALDEHYDE 4-BROMOFURFURAL BC002477 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

21921-76-6 4-BROMO-2-FORMYLFURAN 4-BROMO-2-FURANCARBOXALDEHYDE 4-BROMO-2-FURANCARBOXY ALDEHYDE 4-BROMOFURAN-2-CARBALDEHYDE 4-BROMOFURFURAL BC002477 (CAS 21921-76-6) is a high-purity analytical reference standard with the molecular formula C5H7BrO2 and a molecular weight of 179.01 g/mol.

21921-76-6 4-BROMO-2-FORMYLFURAN 4-BROMO-2-FURANCARBOXALDEHYDE 4-BROMO-2-FURANCARBOXY ALDEHYDE 4-BROMOFURAN-2-CARBALDEHYDE 4-BROMOFURFURAL BC002477 (C5H7BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

As a certified reference material (CRM), 21921-76-6 4-BROMO-2-FORMYLFURAN 4-BROMO-2-FURANCARBOXALDEHYDE 4-BROMO-2-FURANCARBOXY ALDEHYDE 4-BROMOFURAN-2-CARBALDEHYDE 4-BROMOFURFURAL BC002477 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC5H7BrO2
Molecular Weight179.01 g/mol
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityContains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1963
Halogen ContentBr-containing

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