3-{1-[(2,6-dichlorophenyl)methyl]-6-oxo-1,6-dihydropyridin-3-yl}-1-[(pyridin-3-yl)methyl]urea CAS 338785-03-8

Purity 97%+In StockPharmaceutical Standards
CAS No.338785-03-8
Molecular FormulaC19H16Cl2N4O2
Molecular Weight403.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-{1-[(2,6-dichlorophenyl)methyl]-6-oxo-1,6-dihydropyridin-3-yl}-1-[(pyridin-3-yl)methyl]urea CAS 338785-03-8 chemical structure

Description

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.

3-{1-[(2,6-dichlorophenyl)methyl]-6-oxo-1,6-dihydropyridin-3-yl}-1-[(pyridin-3-yl)methyl]urea (CAS 338785-03-8) is a high-purity analytical reference standard with the molecular formula C19H16Cl2N4O2 and a molecular weight of 403.26 g/mol.

3-{1-[(2,6-dichlorophenyl)methyl]-6-oxo-1,6-dihydropyridin-3-yl}-1-[(pyridin-3-yl)methyl]urea (C19H16Cl2N4O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures 3-{1-[(2,6-dichlorophenyl)methyl]-6-oxo-1,6-dihydropyridin-3-yl}-1-[(pyridin-3-yl)methyl]urea 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 FormulaC19H16Cl2N4O2
Molecular Weight403.26 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4

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