Ethyl 2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate CAS 55234-61-2

Purity 97%+In StockPharmaceutical Standards
CAS No.55234-61-2
Molecular FormulaC11H10N2O3
Molecular Weight218.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate CAS 55234-61-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 218.21 g/mol gives Ethyl 2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate (CAS 55234-61-2), molecular formula C11H10N2O3 and molecular weight 218.21 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of Ethyl 2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate (C11H10N2O3) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

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 FormulaC11H10N2O3
Molecular Weight218.21 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972
Nitrogen Atoms2

Recommended Standards

Why CATO?