4-bromo-8-methoxynaphthalen-1-ol CAS 184221-86-1

Description

The occurrence of 4-bromo-8-methoxynaphthalen-1-ol is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-bromo-8-methoxynaphthalen-1-ol (CAS 184221-86-1), molecular formula C11H19BrO2 and molecular weight 263.17 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-bromo-8-methoxynaphthalen-1-ol (C11H19BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 263.17 g/mol, it falls into the medium-molecular-weight range. 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), 4-bromo-8-methoxynaphthalen-1-ol 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

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