5-Bromo-4H-benzo[d][1,3]dioxine CAS 1780562-98-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1780562-98-2
Molecular FormulaC8H7BrO2
Molecular Weight215.04 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Bromo-4H-benzo[d][1,3]dioxine CAS 1780562-98-2 chemical structure

Description

The occurrence of 5-Bromo-4H-benzo[d][1,3]dioxine is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-Bromo-4H-benzo[d][1,3]dioxine (CAS 1780562-98-2), molecular formula C8H7BrO2 and molecular weight 215.04 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-Bromo-4H-benzo[d][1,3]dioxine (C8H7BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 215.04 g/mol, it falls into the medium-molecular-weight range. 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.

As a certified reference material (CRM), 5-Bromo-4H-benzo[d][1,3]dioxine 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 FormulaC8H7BrO2
Molecular Weight215.04 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; 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.)1994
Halogen ContentBr-containing

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