29865-90-5 3,4-Dimethoxy-5-hydroxybenzaldehyde 3-hydroxy-4,5-dimethoxybenzaldehyde A20562 CAS 29865-90-5

Purity 97%+In StockPharmaceutical Standards
CAS No.29865-90-5
Molecular FormulaC9H16O4
Molecular Weight188.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

29865-90-5 3,4-Dimethoxy-5-hydroxybenzaldehyde 3-hydroxy-4,5-dimethoxybenzaldehyde A20562 CAS 29865-90-5 chemical structure

Description

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 29865-90-5 3,4-Dimethoxy-5-hydroxybenzaldehyde 3-hydroxy-4,5-dimethoxybenzaldehyde A20562 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 188.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

29865-90-5 3,4-Dimethoxy-5-hydroxybenzaldehyde 3-hydroxy-4,5-dimethoxybenzaldehyde A20562 (CAS 29865-90-5) is a high-purity analytical reference standard with the molecular formula C9H16O4 and a molecular weight of 188.22 g/mol.

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), 29865-90-5 3,4-Dimethoxy-5-hydroxybenzaldehyde 3-hydroxy-4,5-dimethoxybenzaldehyde A20562 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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