(2E)-3-(3-chlorofuran-2-yl)prop-2-enoic acid CAS 2805328-96-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2805328-96-3
Molecular FormulaC7H5ClO3
Molecular Weight172.57 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2E)-3-(3-chlorofuran-2-yl)prop-2-enoic acid CAS 2805328-96-3 chemical structure

Description

(2E)-3-(3-chlorofuran-2-yl)prop-2-enoic acid (CAS 2805328-96-3), molecular formula C7H5ClO3 and molecular weight 172.57 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H5ClO3, (2E)-3-(3-chlorofuran-2-yl)prop-2-enoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 172.57 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.

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), (2E)-3-(3-chlorofuran-2-yl)prop-2-enoic acid 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 FormulaC7H5ClO3
Molecular Weight172.57 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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.)2003
Halogen ContentCl-containing

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