7-Methoxy-1-(methylthio)isoquinolin-3(2H)-one CAS 54779-03-2

Purity 97%+In StockPharmaceutical Standards
CAS No.54779-03-2
Molecular FormulaC11H11NO2S
Molecular Weight221.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7-Methoxy-1-(methylthio)isoquinolin-3(2H)-one CAS 54779-03-2 chemical structure

Description

The occurrence of 7-Methoxy-1-(methylthio)isoquinolin-3(2H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 7-Methoxy-1-(methylthio)isoquinolin-3(2H)-one (CAS 54779-03-2), a certified reference material (molecular formula C11H11NO2S, MW 221.28 g/mol) for analytical method development and quality control.

Structurally, 7-Methoxy-1-(methylthio)isoquinolin-3(2H)-one (C11H11NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 221.28 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 7-Methoxy-1-(methylthio)isoquinolin-3(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 FormulaC11H11NO2S
Molecular Weight221.28 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972
Nitrogen Atoms1
Sulfur Atoms1

Related Methoxy Standards

Recommended Standards

Why CATO?