4-(Diethoxymethyl)benzaldehyde 81172-89-6 T1401 Terephthalaldehyde Mono(diethyl Acetal) CAS 81172-89-6

Purity 97%+In StockPharmaceutical Standards
CAS No.81172-89-6
Molecular FormulaC12H22O3
Molecular Weight214.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(Diethoxymethyl)benzaldehyde
81172-89-6
T1401
Terephthalaldehyde Mono(diethyl Acetal) CAS 81172-89-6 chemical structure

Description

4-(Diethoxymethyl)benzaldehyde 81172-89-6 T1401 Terephthalaldehyde Mono(diethyl Acetal) (CAS 81172-89-6), molecular formula C12H22O3 and molecular weight 214.30 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H22O3, 4-(Diethoxymethyl)benzaldehyde 81172-89-6 T1401 Terephthalaldehyde Mono(diethyl Acetal) contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 214.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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-(Diethoxymethyl)benzaldehyde 81172-89-6 T1401 Terephthalaldehyde Mono(diethyl Acetal) 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 FormulaC12H22O3
Molecular Weight214.30 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1980

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