Ethyl (3-methyl-8-((4-sulfamoylbenzyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate CAS 21271-88-5

Purity 97%+In StockPharmaceutical Standards
CAS No.21271-88-5
Molecular FormulaC18H19N6O4S
Molecular Weight415.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl (3-methyl-8-((4-sulfamoylbenzyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate CAS 21271-88-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 415.45 g/mol gives Ethyl (3-methyl-8-((4-sulfamoylbenzyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Ethyl (3-methyl-8-((4-sulfamoylbenzyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate (CAS 21271-88-5), a certified reference material (molecular formula C18H19N6O4S, MW 415.45 g/mol) for analytical method development and quality control.

Structurally, Ethyl (3-methyl-8-((4-sulfamoylbenzyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate (C18H19N6O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.5, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 415.45 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

CATO manufactures Ethyl (3-methyl-8-((4-sulfamoylbenzyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC18H19N6O4S
Molecular Weight415.45 g/mol
Purity97%+
StorageStore in a cool place (≤25°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)12.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms6
Sulfur Atoms1

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