3-Ethoxy-7-methoxyisoquinolin-1(2H)-one CAS 342894-34-2

Purity 97%+In StockPharmaceutical Standards
CAS No.342894-34-2
Molecular FormulaC12H13NO3
Molecular Weight219.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Ethoxy-7-methoxyisoquinolin-1(2H)-one CAS 342894-34-2 chemical structure

Description

The occurrence of 3-Ethoxy-7-methoxyisoquinolin-1(2H)-one is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-Ethoxy-7-methoxyisoquinolin-1(2H)-one (CAS 342894-34-2) is a high-purity analytical reference standard with the molecular formula C12H13NO3 and a molecular weight of 219.24 g/mol.

Based on its molecular formula C12H13NO3, 3-Ethoxy-7-methoxyisoquinolin-1(2H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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-Ethoxy-7-methoxyisoquinolin-1(2H)-one 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 FormulaC12H13NO3
Molecular Weight219.24 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

Related Ethoxy Standards

Recommended Standards

Why CATO?