Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate CAS 21395-43-7

Purity 97%+In StockPharmaceutical Standards
CAS No.21395-43-7
Molecular FormulaC22H16Cl2N5O2
Molecular Weight453.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate CAS 21395-43-7 chemical structure

Description

The occurrence of Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate (CAS 21395-43-7), a certified reference material (molecular formula C22H16Cl2N5O2, MW 453.30 g/mol) for analytical method development and quality control.

Structurally, Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)amino)pyrido[2,3-b]pyrazin-6-yl)carbamate (C22H16Cl2N5O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.5, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 453.30 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures Ethyl (3-(4-chlorophenyl)-8-((4-chlorophenyl)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 FormulaC22H16Cl2N5O2
Molecular Weight453.30 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)16.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentCl-containing
Nitrogen Atoms5

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