methyl 4-hydroxy-2-methoxybenzoate CAS 28478-46-8

Purity 97%+In StockPharmaceutical Standards
CAS No.28478-46-8
Molecular FormulaC9H16O4
Molecular Weight188.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

methyl 4-hydroxy-2-methoxybenzoate CAS 28478-46-8 chemical structure

Description

The occurrence of methyl 4-hydroxy-2-methoxybenzoate is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies methyl 4-hydroxy-2-methoxybenzoate (CAS 28478-46-8), a certified reference material (molecular formula C9H16O4, MW 188.22 g/mol) for analytical method development and quality control.

Structurally, methyl 4-hydroxy-2-methoxybenzoate (C9H16O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage. 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 188.22 g/mol, it falls into the medium-molecular-weight range.

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), methyl 4-hydroxy-2-methoxybenzoate 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 FormulaC9H16O4
Molecular Weight188.22 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1965

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