3-(Chloromethyl)-4-hydroxy-5-methoxybenzaldehyde CAS 28276-04-2

Description

Compared with other compounds in its class, the molecular weight of 200.62 g/mol gives 3-(Chloromethyl)-4-hydroxy-5-methoxybenzaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(Chloromethyl)-4-hydroxy-5-methoxybenzaldehyde (CAS 28276-04-2), molecular formula C9H9ClO3 and molecular weight 200.62 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 3-(Chloromethyl)-4-hydroxy-5-methoxybenzaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 200.62 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 3-(Chloromethyl)-4-hydroxy-5-methoxybenzaldehyde 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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