Diethyl 2-(((4-(p-tolyl)thiazol-2-yl)amino)methylene)malonate CAS 71638-85-2

Purity 97%+In StockPharmaceutical Standards
CAS No.71638-85-2
Molecular FormulaC18H20N2O4S
Molecular Weight360.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Diethyl 2-(((4-(p-tolyl)thiazol-2-yl)amino)methylene)malonate CAS 71638-85-2 chemical structure

Description

Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Diethyl 2-(((4-(p-tolyl)thiazol-2-yl)amino)methylene)malonate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 360.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Diethyl 2-(((4-(p-tolyl)thiazol-2-yl)amino)methylene)malonate (CAS 71638-85-2), molecular formula C18H20N2O4S and molecular weight 360.43 g/mol, is a CATO reference standard with documented purity and traceability.

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), Diethyl 2-(((4-(p-tolyl)thiazol-2-yl)amino)methylene)malonate 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 FormulaC18H20N2O4S
Molecular Weight360.43 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977
Nitrogen Atoms2
Sulfur Atoms1

Related Diethyl Standards

Recommended Standards

Why CATO?