Ethyl (2-bromo-4-formyl-6-methoxyphenoxy)acetate CAS 428844-77-3

Purity 97%+In StockPharmaceutical Standards
CAS No.428844-77-3
Molecular FormulaC12H13BrO5
Molecular Weight317.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl (2-bromo-4-formyl-6-methoxyphenoxy)acetate CAS 428844-77-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 317.13 g/mol gives Ethyl (2-bromo-4-formyl-6-methoxyphenoxy)acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl (2-bromo-4-formyl-6-methoxyphenoxy)acetate (CAS 428844-77-3), molecular formula C12H13BrO5 and molecular weight 317.13 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H13BrO5, Ethyl (2-bromo-4-formyl-6-methoxyphenoxy)acetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 317.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

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 FormulaC12H13BrO5
Molecular Weight317.13 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentBr-containing

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