6-Bromo-4-(5-methylfuran-2-yl)-3-(3-oxobutyl)-1H-isochromen-1-one CAS 917571-25-6

Purity 97%+In StockPharmaceutical Standards
CAS No.917571-25-6
Molecular FormulaC18H15BrO4
Molecular Weight375.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-Bromo-4-(5-methylfuran-2-yl)-3-(3-oxobutyl)-1H-isochromen-1-one CAS 917571-25-6 chemical structure

Description

The occurrence of 6-Bromo-4-(5-methylfuran-2-yl)-3-(3-oxobutyl)-1H-isochromen-1-one is closely related to a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

6-Bromo-4-(5-methylfuran-2-yl)-3-(3-oxobutyl)-1H-isochromen-1-one (CAS 917571-25-6), molecular formula C18H15BrO4 and molecular weight 375.21 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H15BrO4, 6-Bromo-4-(5-methylfuran-2-yl)-3-(3-oxobutyl)-1H-isochromen-1-one contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 375.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

CATO manufactures 6-Bromo-4-(5-methylfuran-2-yl)-3-(3-oxobutyl)-1H-isochromen-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC18H15BrO4
Molecular Weight375.21 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentBr-containing

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