Pyrido[2,3-b]pyrazin-3(4H)-one CAS 35252-02-9

Purity 97%+In StockPharmaceutical Standards
CAS No.35252-02-9
Molecular FormulaC7H5N3O
Molecular Weight147.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pyrido[2,3-b]pyrazin-3(4H)-one CAS 35252-02-9 chemical structure

Description

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.

CATO supplies Pyrido[2,3-b]pyrazin-3(4H)-one (CAS 35252-02-9), a certified reference material (molecular formula C7H5N3O, MW 147.13 g/mol) for analytical method development and quality control.

Based on its molecular formula C7H5N3O, Pyrido[2,3-b]pyrazin-3(4H)-one contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 147.13 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.

Physical & Chemical Properties

Molecular FormulaC7H5N3O
Molecular Weight147.13 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1967
Nitrogen Atoms3

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