2-Chloro-4-(4-chlorophenyl)pyrido[2,3-b]pyrazin-3(4H)-one CAS 74770-01-7

Purity 97%+In StockPharmaceutical Standards
CAS No.74770-01-7
Molecular FormulaC13H7Cl2N3O
Molecular Weight292.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Chloro-4-(4-chlorophenyl)pyrido[2,3-b]pyrazin-3(4H)-one CAS 74770-01-7 chemical structure

Description

CATO manufactures 2-Chloro-4-(4-chlorophenyl)pyrido[2,3-b]pyrazin-3(4H)-one 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.

CATO supplies 2-Chloro-4-(4-chlorophenyl)pyrido[2,3-b]pyrazin-3(4H)-one (CAS 74770-01-7), a certified reference material (molecular formula C13H7Cl2N3O, MW 292.12 g/mol) for analytical method development and quality control.

Structurally, 2-Chloro-4-(4-chlorophenyl)pyrido[2,3-b]pyrazin-3(4H)-one (C13H7Cl2N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 292.12 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 FormulaC13H7Cl2N3O
Molecular Weight292.12 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1978
Halogen ContentCl-containing
Nitrogen Atoms3

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