Ethyl 4-isobutoxy-3,5-dimethylbenzoate CAS 1429902-21-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1429902-21-5
Molecular FormulaC15H22O3
Molecular Weight250.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 4-isobutoxy-3,5-dimethylbenzoate CAS 1429902-21-5 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 4-isobutoxy-3,5-dimethylbenzoate.

Ethyl 4-isobutoxy-3,5-dimethylbenzoate (CAS 1429902-21-5), molecular formula C15H22O3 and molecular weight 250.33 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of Ethyl 4-isobutoxy-3,5-dimethylbenzoate (C15H22O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC15H22O3
Molecular Weight250.33 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991

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Why CATO?